Fastener Type Chart Bolt Depot（紧固件螺栓仓库类型图表）.pdf

Fastener Type Chart /tools Fastener Categories Wood Screws Machine Screws Thread Cutting Sheet Metal Screws Screws with a smooth shank Screws with threads for use Machine Screws Fully threaded screws with a and tapered point for use in with a nut or tapped hole. Machine screws with a thread point for use in sheet metal. wood. Abbreviated WS. Abbreviated MS. cutting (self tapping) point. Abbreviated SMS. Self Drilling SMS Hex Bolts Carriage Bolts Plow Bolts A sheet metal screw with a Bolts with a hexagonal head Bolts with a smooth rounded Similar to carriage bolts but self drilling point. with threads for use with a head that has a small square used for attaching the cutting nut or tapped hole. Abbrevi- section underneath. edge of a plow to the plow ated HHMB or HXBT. blade. Socket Screws Lag Bolts Eye Bolts Eye Lags Socket screws, also known Bolts with a wood thread and A bolt with a circular ring on Similar to an eye bolt but with as Allen Head, are fastened pointed tip. the head end. Used for wood threads instead of with a hex Allen wrench. Abbreviated Lag. attaching a rope or chain. machine thread. J-Bolts