E-Z Lok 400-524 Threaded Insert, 5/16-24 Thread, Brass

E-Z Knife inserts are designed for use in hard woods, like oak, cherry and maple. E-Z Knife inserts are ideal for use wherever assembly or disassembly could lead to thread erosion or stripping. Also, E-Z Knife inserts for wood use a proprietary external "knife" thread to slice into the wood, which provides excellent holding power. E-Z Knife inserts are most often machined out of brass when internal thread sizes range from #4 to 3/8 or M3 to M8. For additional corrosion resistance, stainless steel knife thread inserts are used with 8-32, 10-24 and 1/4-20 internal threads.