Stainless Steel Bolt

Stainless Steel Bolt / 45 years of experiences for production stainless steel fasteners.

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Stainless Steel Bolt | Screw Manufacturing for 50 Years | Sen Chang

Sen Chang Industrial Co., Ltd., since 1968, is a Stainless Steel Bolt | CE certified screw manufacturer based in Taiwan.

ISO 9001 certified self tapping screw production processes and stainless steel screws and bolts with meticulous quality control. Screws and bolts including Machine Screws, Tapping Screws, SEMS Screws, Coating Screws and High Tensile Screws.

Sen Chang has been supplying nuts and bolts to customers, both with advanced technology and 48 years of experience, Sen Chang ensures each customer's demands are met.

Stainless Steel Bolt


Process: Threading after head formation, and acid washing being the last step
All the items are inspected during the process and before shipping, complying with ISO Working Instruction
Inspection Tools: Calipers, 2.5D projector
Measurement Points: Head diameter, Serration diameter, Grip gaging body diameter, Total length, Grip gaging length, Serration length


  • Grip Gaging Body
  • Serration under Hea


  • Item Material: 430 SS
  • Item Specification: 1/4*2-7/16