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Apex® 5/16” hex insert drive Torx ® screwdriver bits. Driver Size: T-40 Major Diameter: 0.260 Overall Length (in./mm): 4”/ 102mm
5/16” Apex Torx ® Insert Bits Description
Apex 5/16” hex insert drive Torx ® bits from Apex Fastener Tools, formally Cooper Tools. Torx ® fasteners are becoming extremely common in automotive repair and appliance assembly. By design, Torx ® head screws resist cam-out better than Phillips ® head or Slotted head screws. Where Phillips ® heads were designed to cause the driver to cam-out, to prevent over tightening, Torx ® heads were designed to prevent cam-out. The reason for this was the development of better torque-limiting automatic screwdrivers for use in factories.
| Driver Size | T-40 |
|---|---|
| Major Diameter | 0.26 |
| Overall Length (in)/(mm) | 4''/ 102mm |
Apex 5/16” hex insert drive Torx ® bits from Apex Fastener Tools, formally Cooper Tools. Torx ® fasteners are becoming extremely common in automotive repair and appliance assembly. By design, Torx ® head screws resist cam-out better than Phillips ® head or Slotted head screws. Where Phillips ® heads were designed to cause the driver to cam-out, to prevent over tightening, Torx ® heads were designed to prevent cam-out. The reason for this was the development of better torque-limiting automatic screwdrivers for use in factories.
| Driver Size | T-40 |
|---|---|
| Major Diameter | 0.26 |
| Overall Length (in)/(mm) | 4''/ 102mm |











