A common use is to allow the head of a countersunk bolt, screw or rivet, when placed in the hole, to sit flush with or below the surface of the surrounding material (by comparison, a counterbore makes a flat-bottomed hole that might be used with a socket-head capscrew).
Standard : DIN:963
Size : M12, M16, M20, M22, M24
Grade : 4.6, 5.6, 5.8, 6.8, 8.8
Material : Alloy steel, aluminum, brass, silicon bronze, and stainless steel are just some of the materials that fasteners are manufactured in. The combination of material, treatment, hardening, and coating (aka plating) are essential to determining the strength and appropriate application for each fastener.
C.S.K bolt exporter in following countries : Carriage Bolts exporters in Saudi Arabia, Oman, Dubai, UAE, Mexico, Kuwait, Qatar, Iraq and many other countries. Garg Fasteners has created a brand name for itself in the international market, by exporting large quantities of high-quality Carriage Bolts fasteners.