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1/4'' And 5/16'' Tri-Wing Screwdriver Insert Bits
1/4'' and 5/16'' screwdriver hex insert Tri-Wing Bits. The Tri-Wing bit, also known as triangular slotted, screw drive has three radial slots and is used extensively in the aerospace industry.
Tri-Wing Bits, as the name suggests, is a screw with three ''wings'' and a small triangular hole in the center. Each The Tri-Wing Bit is manufactured to the tightest tolerances in the industry, most are even tighter than licensing agreement requirements.
Our Tri-Wing Bits meet the most stringent government and military specifications. The Tri-Wing screw drive is commonly used in aerospace applications.