Kirat engineering works offers kew self-centering chucks are supplied in semi steel bodies. Salient features: semisteel alloyed body is cast with the addition of alloys like chromium, nickel, copper, manganese, etc; jaws are of case hardening steel and are properly case hardened and tempered for ensuring reliability and durability; faces of internal and durability; faces of internal and external jaws are ground on both sides and are tested for ensuring quality and accuracy; scrolls are manufactured from carbon steel and are properly heat treated for ensuring quality and durability; pinion gears are manufactured from the solid tough alloy steel and have a square recess to be operated from with the chuck operating key; chuck operating key is of hardened and tempered alloy steel of suitable length. Kew self-centering chucks bear guarantee of one year against any manufacturing defect. Standard equipment: one set of reverse jaws, one operating key and a set of mounting belts.