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Apex #5 Tri-Wing Insert Bit, 5/16” Hex Drive (TWE-5)


Apex 5/16” hex insert Tri-Wing ® bits from Cooper Tools. Recess Size: 5 Screw Size Tension Head: 10-32 Screw Size Shear Head: 1/4-28 Overall Length (in./mm): 1”/ 25mm

Part Number: TWE-5 Category: Tag: Brand:


Apex #5 Tri-Wing Insert Bit, 5/16” Hex Drive (TWE-5)

Apex #5 Tri-Wing Insert Bit, 5/16” Hex Drive (TWE-5). Apex Tri-Wing insert bits are manufactured using a proprietary steel and heat treat process that yields greater strength and a longer bit life. The cutting-edge machining process used to manufacture Apex Tri-Wing insert bits results in tighter tolerances, superior product consistency and a better and more consistent fit to fasteners leading to better torque transfer.

Apex Tri-Wing insert bits are recognized as the industry leader in screwdriver tooling throughout the aviation industry as well as automotive, heavy industry or anywhere quality tooling products are required. If you have invested money in quality tools, you need to know that your Tri-Wing insert bits will deliver the performance you require of them. APEX manufactures Tri-Wing insert bits for the aerospace, automotive and other industries where reliability is key. Day in and day out, you will find Tri-Wing insert bits insert bits hard at work in some of the worlds busiest manufacturing facilities.

Additional information

Tip Type



Apex Fastener Tools

Drive Size

5/16'' Hex Drive

Recess Size


Screw Size Tension Head


Screw Size Shear Head


Overall Length

1'' / 25mm