Premium Stainless Steel Button Head Screws with Hex Recess and Passivation

High-Quality 18-8 Stainless Steel Button Head Machine Thread Screws with Multi-Blow Header Manufacturing

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Need Reliable Button Head Screws That Won't Corrode in Electronic Assemblies?

Our 18-8 stainless steel button head screws with passivation treatment provide superior corrosion resistance for sensitive electronic equipment. With 70kgf/mm² tensile strength and ISO-compliant multi-point inspection including hex recess depth verification, you get consistent quality for automated assembly processes. Contact us for custom specifications tailored to your electronic manufacturing requirements.

Our comprehensive quality control measures multiple critical dimensions including head diameter, head height, hex recess depth, length, major and minor diameters, thread angle, pitch, and coating integrity using ring gauge GO/NO GO testing. The passivation treatment enhances corrosion resistance, making these button head screws ideal for OEM manufacturers requiring reliable fastening solutions in electronics, automotive, machinery, and precision equipment assembly. Available in standard specifications such as 1/4-28*.25", our button head hex recessed screws combine 45 years of manufacturing expertise with rigorous inspection protocols to deliver consistent quality and performance for your specialized fastening requirements.


Stainless Button Head Screw

CM006-150717-1

Process: Using multi blow header to make the head and then threading before passivation, then surface coating
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, Hex rec depth, Hex plug gauge, Length, Major diameter, Minor diameter, Thread angle, Pitch , Coat inspection, Ring gage GO/ NO GO

Features

  • Button Head
  • Hex Rec
  • Machine Thread
  • Passivation
  • Tensile Strength 70kgf/mm2

Specification

  • Item Specification: 1/4-28*.25”
  • Item Material: 18-8 SS