These are impact nuts (also called insert nuts or rivet nuts) for metric screws, ranging in size from M4 all the way up to ...

I've used them for ages but never had to buy them. Is there any practical difference in the various sizes of screws and cage nuts? M6 seems to be the prolific choice, but I see 12-24 and 10-32 are ...

Shop Screw Thread Gauge Threaded Screw Gauge - Metric & Standard Size Checker By Warren Fastenings South Screw Gauge Tool ...

Shoulder screws, also known as shoulder bolts and stripper bolts, are machine screws with an integral shoulder or journal between the head and thread. Although they are not readily available in local ...

News & Views Published: 01 January 1966 Metric Screw Threads Nature 209, 20 (1966) Cite this article ...