Spring Washer

Spring Washer / 45 years of experiences for production stainless steel fasteners.

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Spring Washer | Screw Manufacturing for 50 Years | Sen Chang

Sen Chang Industrial Co., Ltd., since 1968, is a Spring Washer | 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.

Spring Washer


Process: lazer cutting based on the size
All the items are inspected during the process and before shipping, complying with ISO Working Instruction
Inspection Tools: Calipers, 2.5D projector
Measurement Points: Washer diameter, Washer height, Inside diameter


  • Item Specification: #10
  • Item Material: 18-8 SS