OS018-150918-2 – Premium Flat Head, Internal Hex Socket by Sen Chang

ISO-Certified High-Tensile Fasteners for Demanding Applications

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OS018-150918-2 – High-Performance Flat Head, Internal Hex Socket

Discover OS018-150918-2, part of Sen Chang’s premium Flat Head, Internal Hex Socket collection. Built for reliability, our fasteners are engineered using advanced manufacturing processes and premium stainless steel materials.

With 48+ years of expertise and ISO 9001-certified quality, Sen Chang delivers fastening solutions trusted by global manufacturers across automotive, electronics, and industrial sectors.

Enhance your projects with fasteners designed for strength, precision, and long-term performance. Partner with Sen Chang for dependable fastening solutions.

Flat Head - Flat Head, Internal Hex Socket
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Flat Head

OS018-150918-2

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, Protrusion-height gage, Micrometer, 2.5D and 2D projector
Measurement Points: Head diameter, Head height, Flat head angle, Rec depth, Limited head height, Length, Grip gaging body diameter, Major diameter, Twisted thread length, Pointed tail angle, Thread angle

Features

  • Internal Hex Socket
  • Wood Screw
  • Partially Lengthen Thread
  • Limited Head Hight

Specification

  • Item Specification: #5/16x4"
  • Available Material: 302HQ 304SS 305SS 316SS 410SS 420SS 430SS

Available Product

  • Head Diameter M1.6~M16/#00~#5/8
  • Length 1/8”~12”/3.175mm~600mm