A Spherical cap with the flat faceadjacent to the shank. This is a form of mushroom head. With an 80-82 angle for use where flush surface is desired. Countersunk section aids centering. Raised Hexagon Washer HeadFlat Head (100) Countersink)A Thin section of a hexagonal prismwith a spherical cap. mo

Stainless steel fasteners will lock up during use. The locking phenomenon has its own objective factors. Because stainless steel and carbon steel have inherent differences, stainless steel has good ductility, but the hardness has a certain gap with carbon steel. Stainless steel bolts and nuts will p

In November of 2018, Jiaxing Goshen Hardware CO LTD officially passed the ISO9001:2015 quality management system certification and audit, and obtained the relevant certificates.