Sanwa Iron (Thailand) Co.,Ltd

Stud Bolt

The bolts diameter according with IFI-136. The length of stud bolts shall be the effective thread length excluding the chamfers. Stud bolts shall be threaded full length with continuous threads. Ends of bolts shall be flat. The length tolerance of effective length shall be -0mm, + 3mm.

Bolts chamfering chamfer depth shall be 2.5 mm.

Product Marking

Grade and Manufacturer’s Marking

Grade and manufactures marking shall be stamped on one end of the Stud Bolt. For Hexagonal Nuts, mark shall be placed on top of the surface. Designation of marking shall follow as ASTM requirement.