Chamfered Hex Washer Head Screw

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Chamfered Hex Washer Head Screw | Custom Nuts and Bolts Manufacturing - Sen Chang

Sen Chang Industrial Co., Ltd., since 1968, is a Chamfered Hex Washer Head Screw | nuts and bolts 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.

Chamfered Hex Washer Head Screw


Process: Using multi blow header to make the head and then threading before passivation. At last surface coating after heat treating
All the items are inspected during the process and before shipping, complying with ISO Working Instruction
Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector
Measurement Points: Across the flat and corner of the hex, Head height, Slot width, Slot depth, Number of serration, Ring gage GO/NO GO, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Chamfer length, Coat inspection
Coat Report Offered


  • Slotted Head
  • Serration under Head
  • Chamfer at the End of Machine Thread
  • Trivalent Chromium Zinc, Thickness 5um


  • Item Specification: #10-24*5/8
  • Item Material: 430SS