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Compared with the “normal" TORX® profile, the elliptical instead of circular profile enlarges the 6 flanks that transfer torque between the tool and the screw. This means that the force applied when screwdriving is spread across a larger surface area. Higher torque is transferred and, in addition, the service life of the screw and tool are lengthened. The so-called centre-lock screws on cutting tools represent a typical use of this type of screw profile. The thermal influences on such holders for carbide insert tips often “bake" the retaining screws so firmly that it is important to have a profile that considerably enhances the loosening torque capability of the screws. For this reason a torque-stable screw profile is necessary to avoid any possible damage to the screw and to exclude the possibility of an otherwise costly machine downtime.
  • Compared with the “normal" TORX® profile, the elliptical instead of circular profile enlarges the 6 flanks that transfer torque between the tool and the screw. This means that the force applied when screwdriving is spread across a larger surface area. Higher torque is transferred and, in addition, the service life of the screw and tool are lengthened. The so-called centre-lock screws on cutting tools represent a typical use of this type of screw profile. The thermal influences on such holders for carbide insert tips often “bake" the retaining screws so firmly that it is important to have a profile that considerably enhances the loosening torque capability of the screws. For this reason a torque-stable screw profile is necessary to avoid any possible damage to the screw and to exclude the possibility of an otherwise costly machine downtime.
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  • HIOS, 4mm, Wera Series 21. Drive: For direct machine drive. Suitable for: BL-5000, CL-2000, CL-3000, CL-4000, SS-3000, SS-4000, L-4500, L-5000, CD-4000, CD-5000, VZ-1510 (incl. PS-type).

Wera 05135434001 - 867/21 8 Ip X 40 Mm Bit For Torx Plus Socket Screws

$21.99 $31.38
(You save $9.39)
SKU:
WER05135434001
UPC:
4013288113184
Weight:
0.07 LBS
Availability:
Discontinued
Minimum Purchase:
10 unit(s)
Qty:
Call us: 1-800-401-7980 Shop in store

Product Details

867/21 IP TORX PLUS® bits, 8 IP x 40 x 1 9/16" x 3 mm

Hard bits for recessed TORX® PLUS screws. Drive: HIOS 4 mm.

  • For TORX PLUS® screws
  • Hard design
  • 4 mm HIOS drive (Wera connecting series 21)
  • Suitable for BL-5000, CL-2000, CL-3000, CL-4000, SS-3000, SS-4000 etc.

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