Trimming Dies Hex Head

Pozi Hex Head Bolt w/ Flat Washer A1 & 70kgf/mm2 Minimal Tensile Strength. Screw End Chamfered / 45 years of experiences for production stainless steel fasteners.

Best Sale

Trimming Dies Hex Head | Screw Manufacturing for 50 Years | Sen Chang

Sen Chang Industrial Co., Ltd., since 1968, is a Trimming Dies Hex Head | 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.

Trimming Dies Hex Head


Process: Using multi blow header for head formation before using head-molding model to shape hex head and threading flat washer A2, and then acid washing
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, Head height, Washer diameter, Washer height, Thread length, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Rec depth, Pozi plug gauge


  • Pozi Complying w/ DIN933
  • Production Complying w/ DIN6902A
  • Flat Washer A2 Threaded
  • 70kgf/mm2 Minimal Tensile Strength
  • Screw End Chamfered


  • Item Specification: M5*60
  • Item Material: 18-8SS