Dash Adapters
Thread adapters from Dash/AN to AN, metric (M10–M22), NPT and BSP plus sensor, oil cooler and power steering adapters.
Dash Adapters by type
All products: Dash Adapters
QSP aluminium adapter male AN6 Dash 6 - M14 x 1.5 black
This listing is for a QSP aluminium adapter in male - male version from Dash / AN to metric thread, in black. QSP adapter made of aluminium in black. The adapter has a straight design and is suitable as a transition adapter from AN / Dash connections to metric connections. The adapter is suitable for fuel and oil applications as well as various motorsport, tuning and conversion projects.
Union Female Female Dash 10 AN10 Straight Black
DASH 10 female to female connector in black Reusable aluminium hose end with UNF thread (Dash system) and 360° swivel. This allows you to make up your own lines to suit individual needs and numerous applications (oil, water, fuel, brake and clutch systems) and install them stress-free. No additional seals are required! The technical design of the fitting is optimised for maximum flow and reduces turbulence and pressure losses. The fittings are manufactured on high-precision CNC machines and meet the highest quality standards. Our braided lines can be used (alternatively, lines from other manufacturers with the same dimensions). The system has been tried and tested in aviation and motorsport for over 40 years. Table - hose dimensions: Dash 4 ( 7/16 - 20 UNF ): inner diameter 5,56mm / outer diameter 11,13mmDash 6 ( 9/16 - 18 UNF ): inner diameter 8,73mm / outer diameter 13,89mmDash 8 ( 3/4 - 16 UNF ): inner diameter 11,12mm / outer diameter 16,28mmDash 10 ( 7/8 - 14 UNF ): inner diameter 14,27mm / outer diameter 20,24mmDash 12 ( 1/16 - 12 UNF ): inner diameter 17,47mm / outer diameter 23,82mmDash 16 ( 1-5/16 -12UNF ): inner diameter 22,20mm / outer diameter 30,50mmDash 20 ( 1 5/8 - 12 UNF ): inner diameter 28,50mm / outer diameter 35,81mm
QSP Oil Cooler Adapter M22x1.5 - AN6 Dash 6
This listing is for a QSP aluminium oil cooler adapter, straight, from metric connection to Dash / AN, in black. QSP aluminium adapter in black. The adapter has a straight design and is suitable as a transition adapter from metric connections to AN / Dash connections. The adapter is ideal for oil coolers, oil lines and custom conversions in motorsport, tuning and automotive applications.
Reducer adapter ORB Dash 10 female to Dash 6 male - matt silver
BOOST products reducer adapter ORB Dash 10 female to Dash 6 male - matt silver Aluminium adapter Dash 10 ORB female thread to Dash 6 male thread High-quality AN / Dash thread reducer, suitable for E85 fuel as well as oil and pneumatic systems Thread A: ORB -10 AN / Dash 10 female Thread B: -06 AN / Dash 6 male Material: Aluminium Colour: Matt silver BOOST products fittings, hoses and thread adapters are suitable for a wide range of applications, e.g. for use on oil, water and fuel lines, and are resistant to E85 and methanol. The fittings and adapters are CNC-machined from 6061-T6 aluminium or stainless steel and comply with the US AN and JIC industry standard specifications. The matching hydraulic hoses for the fittings are available in various versions (nylon braided or stainless braided, also with reinforced inner lining or as a PTFE version). The self-sealing system originally comes from the defence and aerospace industries and has been used successfully in motorsport for decades. Thanks to the unique threaded connections, the lines are leak-tight and pressure-resistant up to 650 bar (depending on size and version) without a crimping tool. All BOOST products hydraulic hoses are also E85 and methanol resistant. The hose fittings are screwed onto the matching hydraulic hoses. For turbocharger applications (oil/water lines), -04 AN / Dash 4 is generally recommended for oil feed lines and -10 AN / Dash 10 for oil return lines. For other line systems, such as water or fuel lines, it is best to choose according to the existing connections and the manufacturers' recommendations. Unlike other suppliers, BOOST products also offers swivel fittings: those labelled "swivel" remain fully rotatable after installation. This is essential for easy installation and often not available from cheap suppliers. Depending on the application, we recommend making at least one side swivel.
Thread Adapter Dash 8 Male to M18x1,5mm Male - Matt Black
BOOST products thread adapter Dash 8 male to M18x1,5mm male - matt black Aluminium adapter Dash 8 male thread to M18x1,5mm male thread in matt black High-quality AN / Dash to metric thread adapter, suitable for E85 fuel as well as oil and pneumatic systems Thread A: -08 AN / Dash 8 male Thread B: M18x1,5mm male Material: Aluminium Colour: Matt black BOOST products fittings, hoses and thread adapters are suitable for a wide range of applications, such as oil, water and fuel lines, and are resistant to E85 and methanol. The fittings and adapters are CNC-machined from 6061-T6 aluminium or stainless steel and comply with the US AN and JIC industry standard specifications. The matching hydraulic hoses for the fittings are available in various versions (nylon or stainless steel braided, also with reinforced inner core or as a PTFE version). The self-sealing system originally comes from the defence and aerospace industries and has been used successfully in motorsport for decades. Thanks to the unique threaded connections, the lines are leak-tight without crimping tools and pressure resistant up to 650 bar (depending on size and version). All BOOST products hydraulic hoses are also E85 and methanol resistant. The hose fittings are screwed onto the matching hydraulic hoses. For turbocharger applications (oil/water lines), -04 AN / Dash 4 is generally recommended for oil feed lines and -10 AN / Dash 10 for oil return lines. For other line systems, such as water or fuel lines, it is best to choose according to the existing connections and the manufacturer's recommendations. Unlike other suppliers, BOOST products also offers swivel fittings labelled "swivel", which remain fully rotatable after installation. This is essential for easy installation and is often not available from cheap suppliers. Depending on the application, we recommend making at least one side swivelling.
Union Dash 8 Male to Dash 8 Male - Matt Black
BOOST products union Dash 8 male to Dash 8 male - matt black Threaded union with Dash 8 male thread in matt black For connecting Dash / AN female threads Thread A: -08 AN / Dash 8 male Thread B: -08 AN / Dash 8 male Material: Aluminium Colour: Matt black BOOST products fittings, hoses and thread adapters are suitable for a wide range of applications, such as oil, water and fuel lines, and are resistant to E85 and methanol. The fittings and adapters are CNC-machined from 6061-T6 aluminium or stainless steel and comply with the US AN and JIC industry standard specifications. The matching hydraulic hoses for the fittings are available in various versions (nylon or stainless steel braided, also with reinforced inner core or as a PTFE version). The self-sealing system originally comes from the defence and aerospace industries and has been used successfully in motorsport for decades. Thanks to the unique threaded connections, the lines are leak-tight without crimping tools and pressure resistant up to 650 bar (depending on size and version). All BOOST products hydraulic hoses are also E85 and methanol resistant. The hose fittings are screwed onto the matching hydraulic hoses. For turbocharger applications (oil/water lines), -04 AN / Dash 4 is generally recommended for oil feed lines and -10 AN / Dash 10 for oil return lines. For other line systems, such as water or fuel lines, it is best to choose according to the existing connections and the manufacturer's recommendations. Unlike other suppliers, BOOST products also offers swivel fittings labelled "swivel", which remain fully rotatable after installation. This is essential for easy installation and is often not available from cheap suppliers. Depending on the application, we recommend making at least one side swivelling.
QSP Setrab Adapter M18x1.5 Female to M22x1.5 Male
Item description For sale is a QSP Setrab aluminium adapter, female to male, from M18x1.5 to M22x1.5. High-quality QSP aluminium adapter. The adapter has an M18x1.5 female connection and an M22x1.5 male connection and serves as a transition adapter for Setrab oil cooler and connection solutions. The adapter is suitable for oil applications as well as various motorsport, tuning and conversion projects. Product details Manufacturer: QSP Products Item: Setrab adapter Material: aluminium Version: female to male Size: M18x1.5 to M22x1.5 Thread: M18x1.5 female Thread M22x1.5 male Thread type: metric Application: oil Packaging unit: 1 pieces Suitable for Setrab oil cooler Oil lines M18x1.5 connections M22x1.5 connections Metric connections Adapter connections Motorsport Vehicle tuning Racing Conversion and project vehicles
Union Female Female Dash 20 AN20 Straight Black
DASH 20 female to female connector in black Reusable aluminium hose end with UNF thread (Dash system) and 360° swivel. This allows you to make up your own lines to suit individual needs and numerous applications (oil, water, fuel, brake and clutch systems) and install them stress-free. No additional seals are required! The technical design of the fitting is optimised for maximum flow and reduces turbulence and pressure losses. The fittings are manufactured on high-precision CNC machines and meet the highest quality standards. Our braided lines can be used (alternatively, lines from other manufacturers with the same dimensions). The system has been tried and tested in aviation and motorsport for over 40 years. Table - hose dimensions: Dash 4 ( 7/16 - 20 UNF ): inner diameter 5,56mm / outer diameter 11,13mmDash 6 ( 9/16 - 18 UNF ): inner diameter 8,73mm / outer diameter 13,89mmDash 8 ( 3/4 - 16 UNF ): inner diameter 11,12mm / outer diameter 16,28mmDash 10 ( 7/8 - 14 UNF ): inner diameter 14,27mm / outer diameter 20,24mmDash 12 ( 1/16 - 12 UNF ): inner diameter 17,47mm / outer diameter 23,82mmDash 16 ( 1-5/16 -12UNF ): inner diameter 22,20mm / outer diameter 30,50mmDash 20 ( 1 5/8 - 12 UNF ): inner diameter 28,50mm / outer diameter 35,81mm
-06 AN / Dash 6 male to -08 AN / Dash 8 male adapter reducer | RHP
-06 AN / Dash 6 male to -08 AN / Dash 8 male adapter reducerHigh-quality hydraulic fitting in blackFor oil lines, fuel lines and similarWith our hose fittings and matching hydraulic hoses, you can make up your own oil, water and petrol lines. Thanks to unique screw connections, the lines are leak-tight and pressure-resistant up to at least 35 bar without a crimping tool. We recommend -4 AN for oil feed lines (fits our GT-R feed adapters and the integrated EFR reducer) and -10 AN for oil return lines (fits our threaded return flanges). Fuel and water lines are best chosen according to the specifications of the connections or fuel pumps.The DIS fittings are simply "screwed" onto the matching hoses. Fittings labelled "swivel" remain fully rotatable after fitting. This is essential for easy installation and often not available from cheap suppliers. Depending on the application, we recommend making at least one end swivel.Thread size one end: -06 AN / Dash 6 / 9/16x18"Thread size other end: -08 AN / Dash 8 / 3/4x16"Material: AluminiumColour: black anodisedNote: Straight hose fittings are always swivel.For trouble-free installation in all applications, we offer a wide range of adapters. This also makes it easy to extend or otherwise expand the lines later.
QSP Sensor Adapter Dash 10 / AN10 Female to Male for 1/8 NPT Sensor Black
Item description For sale is a QSP aluminium sensor adapter with Dash 10 / AN10 female to male connections for a 1/8 NPT sensor. QSP aluminium sensor adapter in black. The adapter has AN threads in Dash 10 / AN10 design with AN10 / 7/8-14 UNF thread and a 1/8 NPT port for sensors. The adapter is suitable for fuel and oil applications and can be used to accept a suitable 1/8 NPT sensor. Product details Manufacturer: QSP Products Item: sensor adapter Material: aluminium Colour: black Version: female to male Design: straight Size Dash 10 / AN10 Thread AN10 / 7/8-14 UNF Sensor port 1/8 NPT Thread type AN / Dash / JIC / UNF Reducer AN - NPT Application: fuel / oil Swivel: no Cutter style: no Part number QG191-10FMBK Packaging unit: 1 pieces Suitable for Fuel lines Oil lines Sensor connections 1/8 NPT sensors Dash 10 / AN10 connections Motorsport Vehicle tuning Racing Conversion and project vehicles
QSP Adapter Dash 8 / AN8 Male to 3/8 BSP Male Black
Item description For sale is a QSP aluminium adapter with Dash 8 / AN8 male to 3/8 BSP male connection, in black. Black QSP aluminium adapter. The adapter has a Dash 8 / AN8 connection with AN8 / 3/4-16 UNF thread and a 3/8 BSP connection. The adapter is suitable for fuel and oil applications and can be used as a reducer or transition adapter from AN to BSP. Product details Manufacturer: QSP Products Item: adapter Material: aluminium Colour: black Version: male - male Design: straight Size Dash 8 / AN8 Thread AN8 / 3/4-16 UNF Thread BSP 3/8 BSP Thread type: AN / Dash / JIC / UNF / BSP Reducer AN - BSP Application: fuel / oil Swivel: no Cutter style: no Part number QGZ816-08-38BSP Packaging unit: 1 pieces Suitable for Fuel lines Oil lines Dash 8 / AN8 connections 3/8 BSP connections Adapter connections Motorsport Vehicle tuning Racing Conversion and project vehicles
QSP Aluminium Adapter Male AN8 Dash 8 - M14 x 1.5 Black
For sale is a QSP aluminium adapter in male - male version from Dash / AN to metric thread, in black. QSP aluminium adapter in black. The adapter has a straight design and is suitable as a transition adapter from AN / Dash connections to metric connections. The adapter is suitable for fuel and oil applications as well as various motorsport, tuning and conversion projects.
QSP Aluminium Adapter Male AN8 Dash 8 - M18 x 1.5 Black
For sale is a QSP aluminium adapter in male - male version from Dash / AN to metric thread, in black. QSP aluminium adapter in black. The adapter has a straight design and is suitable as a transition adapter from AN / Dash connections to metric connections. The adapter is suitable for fuel and oil applications as well as various motorsport, tuning and conversion projects.
QSP Aluminium Adapter Male AN10 Dash 10 - M16 x 1.5 Black
For sale is a QSP aluminium adapter in male - male version from Dash / AN to metric thread, in black. QSP aluminium adapter in black. The adapter has a straight design and is suitable as a transition adapter from AN / Dash connections to metric connections. The adapter is suitable for fuel and oil applications as well as various motorsport, tuning and conversion projects.
QSP Aluminium Adapter Male AN12 Dash 12 - M16 x 1.5 Black
For sale is a QSP aluminium adapter in male - male version from Dash / AN to metric thread, in black. QSP aluminium adapter in black. The adapter has a straight design and is suitable as a transition adapter from AN / Dash connections to metric connections. The adapter is suitable for fuel and oil applications as well as various motorsport, tuning and conversion projects.
QSP Power Steering Adapter O-Ring M16x1.5 to Dash 6 / AN6 Black
Product description This listing is for a QSP aluminium power steering adapter in male - male version from M16x1.5 to Dash 6 / AN6 in black. QSP aluminium adapter with black finish. The adapter has a metric M16x1.5 connection and a Dash 6 / AN6 connection with AN6 / 7/16-18 UNF thread. The adapter is suitable as a transition adapter from metric connections to AN / Dash systems and is ideal for power steering, fuel lines, oil lines and custom conversions. Product details Manufacturer QSP Products Item Power steering adapter Material Aluminium Colour black Version Male - male Design straight Size M16x1.5 to Dash 6 / AN6 Thread M16x1.5 Thread AN6 / 7/16-18 UNF Thread type: metric / AN / Dash / JIC / UNF Reducer AN - metric Seal: O-ring Application Fuel / oil / power steering Swivel no Cutter style no Part number QGPS-M1615 Packaging unit 1 piece Suitable for Power steering Fuel lines Oil lines Metric connections M16x1.5 connections Dash 6 / AN6 connections O-ring connections Adapter connections Motorsport Vehicle tuning Racing Conversion and project vehicles
QSP Adapter Dash 4 / AN4 Male to 1/8 NPT Female Blue
Product description This listing is for a QSP aluminium adapter in male to female version from Dash 4 / AN4 to 1/8 NPT in blue. QSP aluminium adapter in blue. The adapter has a Dash 4 / AN4 connection with AN4 / 7/16-20 UNF thread and a 1/8 NPT connection. The adapter is suitable as a transition adapter from AN / Dash connections to NPT connections and fits fuel and oil applications. Product details Manufacturer QSP Products Item Adapter Material Aluminium Colour blue Version Male to female Design straight Size Dash 4 / AN4 to 1/8 NPT Thread AN4 / 7/16-20 UNF Thread: NPT 1/8 NPT Thread type: AN / Dash / JIC / UNF / NPT Reducer AN - NPT Application Fuel / oil Swivel no Cutter style no Part number QG894-04-18NPT Packaging unit 1 piece Suitable for Fuel lines Oil lines Dash 4 / AN4 connections 1/8 NPT connections NPT connections Adapter connections Motorsport Vehicle tuning Racing Conversion and project vehicles
QSP Setrab Adapter M16x1.5 Female to M22x1.5 Male
Item description For sale is a QSP Setrab aluminium adapter, female to male, from M16x1.5 to M22x1.5. High-quality QSP aluminium adapter. The adapter has an M16x1.5 female connection and an M22x1.5 male connection and serves as a transition adapter for Setrab oil cooler and connection solutions. The adapter is suitable for oil applications as well as various motorsport, tuning and conversion projects. Product details Manufacturer: QSP Products Item: Setrab adapter Material: aluminium Version: female to male Size: M16x1.5 to M22x1.5 Thread: M16x1.5 female Thread M22x1.5 male Thread type: metric Application: oil Packaging unit: 1 pieces Suitable for Setrab oil cooler Oil lines M16x1.5 connections M22x1.5 connections Metric connections Adapter connections Motorsport Vehicle tuning Racing Conversion and project vehicles
QSP Stainless Steel Power Steering Adapter 1/2-20 UNF INV to Dash 6 / AN6
Product description This listing is for a QSP power steering adapter made of stainless steel in male - male version from 1/2-20 UNF INV to Dash 6 / AN6. QSP stainless steel adapter in silver. The adapter has a 1/2-20 UNF INV connection and a Dash 6 / AN6 connection with AN6 / 9/16-18 UNF thread. The adapter is suitable as a transition adapter from UNF connections to AN / Dash systems and is ideal for power steering, fuel lines, oil lines and custom conversions. Product details Manufacturer QSP Products Item Power steering adapter Material Stainless steel Colour silver Version Male - male Design straight Size 1/2-20 UNF INV to Dash 6 / AN6 Thread 1/2-20 UNF INV Thread AN6 / 9/16-18 UNF Thread type AN / Dash / JIC / UNF Reducer AN - UNF Application Fuel / oil / power steering Swivel no Cutter style no Part number QGPS-1220 Packaging unit 1 piece Suitable for Power steering Fuel lines Oil lines UNF connections 1/2-20 UNF INV connections Dash 6 / AN6 connections Adapter connections Motorsport Vehicle tuning Racing Conversion and project vehicles
Union Dash 8 Female to Dash 8 Female - Matt Silver
BOOST products union Dash 8 female to Dash 8 female - matt silver Aluminium thread adapter Dash 8 female thread to Dash 8 female thread in matt silver High-quality AN / Dash thread coupler, suitable for E85 fuel as well as oil and pneumatic systems Thread A: -08 AN / Dash 8 female Thread B: -08 AN / Dash 8 female Material: Aluminium Colour: Matt silver BOOST products fittings, hoses and thread adapters are suitable for a wide range of applications, such as oil, water and fuel lines, and are resistant to E85 and methanol. The fittings and adapters are CNC-machined from 6061-T6 aluminium or stainless steel and comply with the US AN and JIC industry standard specifications. The matching hydraulic hoses for the fittings are available in various versions (nylon or stainless steel braided, also with reinforced inner core or as a PTFE version). The self-sealing system originally comes from the defence and aerospace industries and has been used successfully in motorsport for decades. Thanks to the unique threaded connections, the lines are leak-tight without crimping tools and pressure resistant up to 650 bar (depending on size and version). All BOOST products hydraulic hoses are also E85 and methanol resistant. The hose fittings are screwed onto the matching hydraulic hoses. For turbocharger applications (oil/water lines), -04 AN / Dash 4 is generally recommended for oil feed lines and -10 AN / Dash 10 for oil return lines. For other line systems, such as water or fuel lines, it is best to choose according to the existing connections and the manufacturer's recommendations. Unlike other suppliers, BOOST products also offers swivel fittings labelled "swivel", which remain fully rotatable after installation. This is essential for easy installation and is often not available from cheap suppliers. Depending on the application, we recommend making at least one side swivelling.
Thread Adapter Dash 8 Male to ORB Dash 10 Male - Matt Black
BOOST products thread adapter Dash 8 male to ORB Dash 10 male - matt black Aluminium adapter Dash 8 male thread to Dash 10 ORB male thread High-quality AN / Dash thread reducer, suitable for E85 fuel as well as oil and pneumatic systems Thread A: -08 AN / Dash 8 male Thread B: ORB -10 AN / Dash 10 male Material: Aluminium Colour: Matt black BOOST products fittings, hoses and thread adapters are suitable for a wide range of applications, such as oil, water and fuel lines, and are resistant to E85 and methanol. The fittings and adapters are CNC-machined from 6061-T6 aluminium or stainless steel and comply with the US AN and JIC industry standard specifications. The matching hydraulic hoses for the fittings are available in various versions (nylon or stainless steel braided, also with reinforced inner core or as a PTFE version). The self-sealing system originally comes from the defence and aerospace industries and has been used successfully in motorsport for decades. Thanks to the unique threaded connections, the lines are leak-tight without crimping tools and pressure resistant up to 650 bar (depending on size and version). All BOOST products hydraulic hoses are also E85 and methanol resistant. The hose fittings are screwed onto the matching hydraulic hoses. For turbocharger applications (oil/water lines), -04 AN / Dash 4 is generally recommended for oil feed lines and -10 AN / Dash 10 for oil return lines. For other line systems, such as water or fuel lines, it is best to choose according to the existing connections and the manufacturer's recommendations. Unlike other suppliers, BOOST products also offers swivel fittings labelled "swivel", which remain fully rotatable after installation. This is essential for easy installation and is often not available from cheap suppliers. Depending on the application, we recommend making at least one side swivelling.
Thread Adapter Dash 8 Male to M14x1,5mm Male - Matt Black
BOOST products thread adapter Dash 8 male to M14x1,5mm male - matt black Aluminium adapter Dash 8 male thread to M14x1,5mm male thread in matt black High-quality AN / Dash to metric thread adapter, suitable for E85 fuel as well as oil and pneumatic systems Thread A: -08 AN / Dash 8 male Thread B: M14x1,5mm male Material: Aluminium Colour: Matt black BOOST products fittings, hoses and thread adapters are suitable for a wide range of applications, such as oil, water and fuel lines, and are resistant to E85 and methanol. The fittings and adapters are CNC-machined from 6061-T6 aluminium or stainless steel and comply with the US AN and JIC industry standard specifications. The matching hydraulic hoses for the fittings are available in various versions (nylon or stainless steel braided, also with reinforced inner core or as a PTFE version). The self-sealing system originally comes from the defence and aerospace industries and has been used successfully in motorsport for decades. Thanks to the unique threaded connections, the lines are leak-tight without crimping tools and pressure resistant up to 650 bar (depending on size and version). All BOOST products hydraulic hoses are also E85 and methanol resistant. The hose fittings are screwed onto the matching hydraulic hoses. For turbocharger applications (oil/water lines), -04 AN / Dash 4 is generally recommended for oil feed lines and -10 AN / Dash 10 for oil return lines. For other line systems, such as water or fuel lines, it is best to choose according to the existing connections and the manufacturer's recommendations. Unlike other suppliers, BOOST products also offers swivel fittings labelled "swivel", which remain fully rotatable after installation. This is essential for easy installation and is often not available from cheap suppliers. Depending on the application, we recommend making at least one side swivelling.
Union Female Female Dash 10 AN10 Straight
Connector female-female Dash 10 AN10 Reusable aluminium hose end with UNF thread (Dash system) and 360° swivel. This allows you to make up your own lines to suit individual needs and numerous applications (oil, water, fuel, brake and clutch systems) and install them stress-free. No additional seals are required! The technical design of the fitting is optimised for maximum flow and reduces turbulence and pressure losses. The fittings are manufactured on high-precision CNC machines and meet the highest quality standards. Our braided lines can be used (alternatively, lines from other manufacturers with the same dimensions). The system has been tried and tested in aviation and motorsport for over 40 years. Table - hose dimensions: Dash 4 ( 7/16 - 20 UNF ): inner diameter 5,56mm / outer diameter 11,13mmDash 6 ( 9/16 - 18 UNF ): inner diameter 8,73mm / outer diameter 13,89mmDash 8 ( 3/4 - 16 UNF ): inner diameter 11,12mm / outer diameter 16,28mmDash 10 ( 7/8 - 14 UNF ): inner diameter 14,27mm / outer diameter 20,24mmDash 12 ( 1/16 - 12 UNF ): inner diameter 17,47mm / outer diameter 23,82mmDash 16 ( 1-5/16 -12UNF ): inner diameter 22,20mm / outer diameter 30,50mmDash 20 ( 1 5/8 - 12 UNF ): inner diameter 28,50mm / outer diameter 35,81mm