Button Head Internal Hex Rec with Blue Nylok Coating and SEMS Washer

18-8 Stainless Steel Button Head Machine Thread Screws with Integrated Washer Assembly

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How Can Blue Nylok Coated Button Head Screws Prevent Loosening in High-Vibration Electronic Assemblies?

Our button head hex screws with blue Nylok coating (90°~180°) provide proven thread locking performance that withstands continuous vibration in electronic equipment. The integrated SEMS washer assembly eliminates separate component handling while the 18-8 stainless steel construction ensures corrosion resistance. Every screw undergoes specialized Nylok inspection with detailed coating reports, guaranteeing consistent locking torque for your production line. Contact us for salt spray test data and custom M5 specifications tailored to your electronic assembly requirements.

Every fastener is rigorously inspected throughout production and before shipping, complying with ISO working instructions. Our quality control protocol includes measurements of head diameter, head height, hex depth verification with plug gauges, washer dimensions, thread parameters including major/minor diameter, thread angle, pitch, and ring gage GO/NO GO testing. Specialized Nylok inspection ensures coating integrity with detailed reports provided. With 45 years of manufacturing expertise and advanced inspection tools including calipers, protrusion-height gages, micrometers, and 2.5D/2D projectors, we deliver salt spray tested coating screws that meet the exacting standards of OEM manufacturers across electronics, automotive, machinery, and industrial equipment sectors.

Button Head Internal Hex Rec - Button Head Internal Hex PIN Rec w/ Machine Thread Plus Washer, Blue Nylok on the Thread
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Button Head Internal Hex Rec

CM006-150412-2

Process: Using multi blow header to make the head and then threading before passivation, then assembling the screw and washer. At last 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 depth, Hex plug gauge, Washer diameter, Washer height, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO /NO GO
Nylok Inspection
Nylok Coating Reports Offered

Features

  • 18-8 SS
  • Button Head
  • Hex Rec pin
  • Machine Thread
  • SEMS Washer
  • Blue Nylok Coat（90°~180°）

Specification

  • Item Specification: M5-0.8*4.7-4.8
  • Item Material: 18-8 SS