• info@koyasfasteners.com
  • Contact Us
  • info@koyasfasteners.com
  • Our Address
  • Bukkathurai-Uthiramerur,Natarajapuram.

Products

About Products

Zinc Plating With Trivalent Chrome Passivation Yellow, Blue, Black and Phosphating & Chemical Blackening, Zinc Nickle, Zinc Iron, Zinc Aluminium ect..

Bolt Range

Diameter Range : M3 to M16 in Metric & 3/16”to 5/8” in Inches by Cold forging.

Length : 10 mm to 150 mm.

Standard : JIS, ANSI, BIS, IS, DIN & ISO.

Surfaces Finishes : Zn Plating with Trivalent Passivation and Phospating.

Bolt Grades


Metric : 8.8, 10.9 & 12.9 .


Inches : 5,5.2 & 8(UNC/UNF).


Inches : R & V (BSF/BSW).

Nut Grades


Grades : 8, 10 & 12 - FOR METRIC.


Grades : 0,1, 3, & 5 - FOR INCH ( UNC/UNF).



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