Premium 316 Stainless Steel Partially Twisted Round Head Thread Fasteners

ISO-Compliant Custom Twisted Thread Screws with Multi-Blow Header Technology

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Need Fasteners That Resist Corrosion in High-Humidity Electronic Assemblies?

Our #2*1/2" 316 stainless steel partially twisted round head thread screws deliver exceptional corrosion resistance with specialized twisted thread grip for secure electronic component assembly. Manufactured with multi-blow header precision and ISO-compliant inspection protocols, these fasteners ensure reliable performance in moisture-prone environments. Contact us for custom specifications tailored to your electronic manufacturing requirements.

Our comprehensive quality control employs professional measurement tools including calipers, protrusion-height gages, micrometers, and 2.5D/2D projectors to verify critical dimensions such as head diameter, head height, grip gaging body diameter, twisted thread length, major diameter, minor diameter, thread angle, and pitch. The 316 stainless steel material provides superior corrosion resistance, while the partially twisted thread design offers enhanced grip and specialized fastening characteristics for OEM manufacturers requiring customized fastener solutions with proven reliability and salt spray test certification.


Partially Twisted Round Head Thread

OP004-081216

Process: using multi blow header to shape the head and then thredding, with passivation 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, Grip gaging body diameter, Twisted thread length, Major diameter, Minor diameter, Thread angle, Pitch

Features

  • Twisted Thread

Specification

  • Item Specification: #2*1/2”
  • Item Material: 316 SS