Materials & Grades
CARBON STEEL
SAE 1008, 1010, 1018, 1020, 1022, C35, C40, C45, 1541, EN8D, EN8A, EN8M, EN1A(Pb), S3SC, S4SC, S48C, S20C
BORON STEEL
SAE 10B21, 15B25, 19MnB4M, 19MnB4HCHCr, 10B35, 15B41, EN8D-BORON
ALLOY STEEL
SAE 8620, 8622, 4135, 4140, 52100, 4037, 6135, EN-19, EN-24, EN-31, EN-42, SCM420, SCM 435, SCM440, 16MncR5, 20MnCr5
Spring Washers
Size: DIA M6 to M42
Grade: All Grades 4, 5, 6, 8, 10 etc.
Standards: DIN 7980 & Customer Drawings/Standards
Finish: Electro Galvanised
(White Zinc/Golden Zinc)
Plain Washers
Size: DIA M6 to M42
Equivalent to Inch Series
Grade: Carbon Steel / Hardened & Tempered
Standards: IS 2062, IS 1570 Part 2 & Customer Drawings/Standards
Finish: Black Oxide, Black Phosphating, HDG, Electro Galvanised etc.
(White Zinc/Golden Zinc)
HSFG Washers
Size: DIA M6 to M100
Grade: All Grades 4, 5, 6, 8, 10 etc.
Standards: DIN 6923, ISO 898 & Customer Drawings/Standards
Finish: Electro Galvanised
(White Zinc/Golden Zinc)
DTI Washers
Size: DIA M6 to M24
Grade: All Grades 4, 5, 6, 8, 10 etc.
Standards: DIN, IS & Customer Drawings/Standards
Finish: Black Oxide, Black Phosphating, HDG, Electro Galvanised etc.
(White Zinc/Golden Zinc)
Double Coil Washers
Size: DIA M6 to M42
Grade: All Grades 4, 5, 6, 8, 10 etc.
Standards: IS, ASTM & Customer Drawings/Standards
Finish: Black Oxide, Black Phosphating, HDG, Electro Galvanised etc.
(White Zinc/Golden Zinc)
Square Washers
Size: DIA M6 to M42
Grade: All Grades 4, 5, 6, 8, 10 etc.
Standards: IS, ASTM & Customer Drawings/Standards
Finish: Black Oxide, Black Phosphating, HDG, Electro Galvanised etc.
(White Zinc/Golden Zinc)
Kingdom Industrial Corporation are manufacturer, exporters and supplier of Fastener.
We specializes in the manufacturing of Stud Bolts, Screw, Nuts, High Tensile Hex Bolts, High Tensile Hex Screw, High Tensile Hex Nuts, ASTM Studs A193 Grade B7
