5/16” Apex Phillips ® #4 Insert Bits Description

Apex bit, 5/16” square drive insert, 3/16” Hex-Allen tip, 1 1/8” overall length. Phillips ® bits from Apex Fastener Tools formally Cooper Tools are popular throughout the aviation industry as well as automotive, heavy industry or anywhere quality tooling products are required. Apex Phillips ® bits are known worldwide for their quality construction and durability in demanding conditions.