305 Stainless Steel Indented Hex Washer Head Thread Rolling Screws

Precision Machine Thread Screws with Slotted Recess and ISO-Compliant Manufacturing

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Need Reliable Fasteners That Combine Washer and Screw Functions for Appliance Assembly?

Our indented hex washer head thread rolling screws eliminate the need for separate washers, reducing assembly time and component costs. The integrated washer design provides superior load distribution while the slotted recess allows for easy installation. Manufactured from corrosion-resistant 305 stainless steel with ISO-compliant inspection, these fasteners ensure long-lasting performance in home appliances. Contact us for samples and technical specifications tailored to your production line requirements.

With 45 years of manufacturing expertise, our comprehensive inspection protocol employs professional tools including calipers, protrusion-height gauges, micrometers, and 2.5D/2D projectors to verify critical measurement points: across flat, across corner, head height, washer diameter, washer height, slot width, slot depth, thread length, diameter of circumscribing circle, across center, minor diameter, thread angle, pitch, and ring gauge GO/NO GO testing. This meticulous quality control ensures optimal performance in assembly applications requiring secure fastening with integrated washer functionality. Contact us today for customized solutions tailored to your specific industrial fastening requirements.

Indented Hex Washer Head - Indented Hex Washer Head With Slotted Recess Thread Rolling Screw
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Indented Hex Washer Head

ME005-130706-1

Process: Using multi blow headers to make the head then threading before passivation
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 flat, Across corner, Head height, Washer diameter, Washer height, Slot width, Slot depth, Thread length, Diameter of Circumscribing, Circle Measurement, Across Center, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO

Features

  • 305 SS
  • Indented Hex Washer Head
  • Slotted on the head
  • Thread Rolling Screw

Specification

  • Item Specification: 1/4-20*1
  • Item Material: 305 SS