Slotted Hex Head External Sems Machine Screws Are Used For Fastening Materials Together In A Wide Variety Of Industrial And Residential Workshop Applications.
Slotted Hex Head External Sems Machine Screws are made of solid steel with sliver colored zinc finishes for corrosion protection and long lasting durability and dependability. Slotted hex head is used for with slotted screw drivers as well as wrench or pneumatic fasteners. All Sems screws come pre-assembled with external tooth washers attached to the head for increased stability. Fully threaded for maximum bite. Available in 1/4-20, 10-24, 6-32, 8-32, 10-32 and 4-40 sizes and 1/4, 3/8, 1/2, 3/4 and 1 inch lengths. Sold in various package quantities.
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