THE GREATEST GUIDE TO CUSTOM SCREW

Metric hex bolts Bolts with hexagonal heads and machine threads to be used which has a nut or within a tapped hole. Also called hex cap screws or device bolts. Metric flange bolts Flange bolts have a flange on the bottom of The top that distributes the load similar to a washer. Metric device screws Screws with device threads to be used having a nut