High tensile bolts Single Point threading to a reduced size.
I have machined down these 1/2″ diameter long bolts to 3/8 inch. and am cutting the new threads in 3 passes with Kennametal 60 degree threading inserts 2 roughing and one finishing pass @ 460RPM. I couldn’t use my geometric head because I don’t have this size dies.
website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.