40pc Heavy Duty S2 Bit Set Hex / Torx (Star) / Spline (XZN) Britool Hallmark
HMBIT40S2
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The Britool Hallmark Screwdriver Bit Set is a professional-grade toolkit designed for precision fastening and workshop applications. Manufactured from high-strength S2 steel, the bits offer increased durability, wear resistance, and reliable performance under heavy use.
This comprehensive set is supplied in a EVA tool control foam tray, keeping every bit neatly organised and easily accessible. The tray fits perfectly into a toolbox top box or roll cab drawer, ensuring tools are always within reach. Each bit is laser marked with the Britool Hallmark logo and part number for fast identification and long-term traceability.
Set contents include:
Hex Bits:
4, 5, 6, 7, 8, 10, 12mm – 30mm length
4, 5, 6, 7, 8, 10, 12mm – 75mm length
Spline Bits:
M5, M6, M8, M10, M12 – 30mm length
M5, M6, M8, M10, M12 – 75mm length
Torx Bits:
T20, T25, T30, T40, T45, T50, T55 – 30mm length
T20, T25, T30, T40, T45, T50, T55 – 75mm length
Accessories:
3/8" bit adaptor
1/2" bit adaptor
Foam tray dimensions: 400mm L × 182mm W × 40mm D
This set provides a complete, durable, and organised solution for engineers, mechanics, and DIY enthusiasts who demand precision and reliability.
Please note that the screwdriver bits are classed as consumable but are available separately as and when required.
Britool has been manufacturing tools since 1908. In the 80's they created the Hallmark range. To guarantee the quality to the customer, it was decided that every tool would carry a hallmark just like many other precious metals.
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.
