3/8"SD Britool Hallmark Ribe Bit Socket Range - M4 - M14 (V3)

The Britool Hallmark Ribe bit socket range is designed for precision fastening applications, offering strength, durability, and reliable performance in professional workshop environments. Manufactured from high-quality chrome vanadium steel, these sockets are built to withstand regular use while maintaining accuracy and consistency.

Each socket is fitted with a fixed Ribe (multi-spline) screwdriver bit, ensuring a secure and stable connection during use. This design provides excellent engagement with fasteners, helping to reduce wear and improve torque transfer.

The 3/8" square drive features a ball retaining groove on every face, ensuring a firm and positive fit with all compatible ratchets and accessories. This enhances control and reliability across a wide range of applications.

Available in sizes M4, M5, M6, M7, M8, M9, M10, M12, M13, and M14.

RIBE fasteners (also called RIBE CV or polydrive) are mainly used in automotive and heavy engineering where high torque and secure fastening are required.

Common applications of RIBE fasteners

Automotive (most common)

• Cylinder head bolts (very common on European engines)

• Crankshaft and flywheel bolts

• Camshaft bearing caps

• Connecting rods

• Timing gear components

• Gearboxes & transmissions

They’re widely found on VW Group (VW, Audi, Skoda, Seat), BMW, Mercedes-Benz, Opel/Vauxhall, and PSA engines.

These are the latest version 3 design as featured in the foam tray set MRIBE10B.

NB: Picture is generic and is used to illustrate item. It may be of a different size.

The HALLMARK range was developed by Britool in the 80's for the automotive aftermarket. it has been the professional’s choice ever since. Each tool is marked with the Britool hallmark  your guarantee of quality.

The Britool Hallmark guarantee covers against defective materials and/or workmanship when used for the purpose for which they were designed and for the expected life of the tool. In the unlikely event that a product fails during normal use, it will be repaired or replaced. The guarantee does not extend to fair wear & tear, moving parts such as ratchet mechanisms or consumable items such as bits and repair kits.