Star Screwdriver Bits (fit Torx screws) | Chapman MFG

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*Star screwdriver bits fit Torx screws and unlike the other Torx screwdriver bits, have the signature Chapman snap ring groove and knurl end. Torx screws are commonly found on the following, automobiles & motorcycles (GM especially), bicycle brake systems (disc brakes), computer systems & hard disk drives, consumer appliances & electronics, CNC machines, appliances, Jeep Wranglers, firearm scopes and mounts, dental, medical, x-ray, electronics, drones and knives. The Star Bits are also in the Master Kit 5575 Bit Size Diameter Working Torque "lb Breaking Torque "lb S6 / T6 .066" 5 6.5 S8 / T8 .090" 12 16 S10 / T10 .107" 20 45 S15 / T15 .128" 34 68 S20 / T20 .151" 56 108 S25 / T25 .173" 84 168 S27 / T27 .195" 123 200 S30 / T30 .216" 166 200 S40 / T40 .260" 180 200 Show more