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Rapid Online - Rapid Electronics Ltd.£3.48Visit shop Wera 05071073001 3840/1 TS Torsion Stainless Insert Bit Hex 3.0 x 25mm
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This Wera 3840/1 TS Torsion Stainless Insert Bit is designed for professionals working with stainless steel fasteners who need to prevent rust contamination. Its key benefit is maintaining the integrity of stainless steel fixings by avoiding the transfer of conventional steel particles. A potential caveat is its specific application with hexagon socket screws and the recommendation to use it with a Wera stainless Rapidaptor bit holder for optimal performance. The bit features a Torsion zone for extended life and is vacuum ice-hardened for industrial strength.
| Model Part Number | 05071073001 |
|---|---|
| Brand | Wera |
The primary advantage is preventing rust contamination on stainless steel fasteners. Unlike conventional steel tools, these bits are made from stainless steel and are designed to avoid transferring iron particles that can initiate rust on stainless steel surfaces.
The Torsion zone is engineered to absorb the shock and torque peaks that occur during screwing. This flexing action prevents the bit from breaking prematurely, significantly increasing its service life compared to standard bits.
Yes, the bit has a standard 1/4" Hex drive and can be used with any compatible screwdriver handle or power tool chuck. However, for optimal results and to maintain the rust-prevention benefit, using it with a Wera stainless steel Rapidaptor bit holder is recommended.
Hex-Plus is a Wera design that provides a larger contact surface area within the hexagon socket of the screw. This reduces the load on the bit's edges, minimizes the risk of damaging the screw head (cam-out), and allows for higher torque transfer.
Yes, the vacuum ice-hardening process gives the bit industrial strength comparable to conventional steel tools, and the Torsion zone is designed to handle significant torque. However, always ensure your driver and technique are appropriate for the torque required.
Wera offers a range of sizes in the 3840/1 TS Torsion Stainless Steel Hex bit series, including 1.5mm, 2.0mm, 2.5mm, 4.0mm, 5.0mm, and 6.0mm, all with a 25mm length.
Ensure the correct bit size is selected and fully seated in the screw head. Apply firm, consistent pressure during driving. Consider using a magnetic bit holder if the screw is not easily held.
Ensure the bit is used with a compatible bit holder and that the driver is not overtightened. The Torsion zone is designed for longevity; ensure it's not being overloaded beyond its intended use.
Verify that only Wera Stainless steel bits and holders are used for stainless steel fasteners. Standard steel tools can contaminate the surface, leading to rust. Clean any existing contamination from the tool or work area.
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