Product Description
The Wera 867/4 IP TORX PLUS bit 8 IP, 89 mm (item no. 05134670001) is a bit for recessed TORX PLUS screws. The product is specified as an 8 IP TORX PLUS profile with an overall length of 89 mm and a 1/4" hexagon drive, suitable for holders according to DIN ISO 1173‑F 6.3. The manufacturer's description indicates that the bit is zähhart (tough) for processing hard materials and is designed to prevent premature tip breakage.
Design and Function
The bit uses the TORX PLUS profile, where the elliptical instead of circular profile expands the six flanks that transfer torque between the tool and the screw. According to the manufacturer's product text, this means that the force is distributed over a larger contact area, resulting in higher torque transfer and extended life for both the screw and the tool. Wera describes this particular bit as robust against stress in hard materials and designed to reduce the risk of premature tip breakage.
Application and Compatibility
The Wera 867/4 IP TORX PLUS bit 8 IP, 89 mm (05134670001) is used for fastening and loosening recessed TORX PLUS screws where a 1/4" hexagon drive is required and compatibility with DIN ISO 1173‑F 6.3 holders. The product's mechanical properties — as stated by the manufacturer — make it suitable for applications where the TORX PLUS profile's higher torque transfer and better contact surfaces are desired.
Typical Applications
- Center-lock screws on cutting tools (example given in the manufacturer's product text).
- Holders for carbide inserts, where thermal influences can cause screws to seize, and where a profile with increased torque stability is desired (described by the manufacturer).
Specifications
- Manufacturer: Wera.
- Product Series: 867/4 IP TORX PLUS bits.
- Item number: 05134670001.
- Profile: TORX PLUS (IP).
- Size: 8 IP.
- Overall length: 89 mm.
- Drive connector: 1/4" hexagon (compatible with DIN ISO 1173‑F 6.3).
- Material/Property: Described by the manufacturer as zähhart/tough for hard materials; designed to prevent premature tip breakage.
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