High Tensile Chamfered Hex Washer Head Drilling Screw A2-80

Professional 18-8 Stainless Steel Drilling Screw with 3/8" Hex Washer Head

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Need High-Strength Fasteners That Eliminate Pre-Drilling in Automotive Assembly?

Our A2-80 rated chamfered hex washer head drilling screws combine exceptional tensile strength with self-drilling capability, reducing assembly time by up to 40% in automotive production lines. With ISO-compliant multi-blow header formation and comprehensive dimensional inspection, these 18-8 stainless steel fasteners deliver the reliability and corrosion resistance your automotive components demand. Contact us for samples and technical specifications tailored to your assembly requirements.

With 45 years of manufacturing expertise, we employ comprehensive quality control using precision instruments including calipers, protrusion-height gages, micrometers, and 2.5D/2D projectors to verify critical dimensions including head diameter, head height, hex measurements, thread specifications, drilling tapping parameters, and total length accuracy. Every high tensile fastener is salt spray tested to ensure corrosion resistance and long-term reliability in challenging environments. Our ISO-compliant manufacturing process guarantees consistent quality and performance, making these drilling screws ideal for OEM manufacturers requiring dependable fastening solutions for metal fabrication, automotive assembly, HVAC systems, and industrial equipment applications.

Chamfered Hex Washer Head - Chamfered Hex Washer Head Drilling Screw
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Chamfered Hex Washer Head

HV003-150417-1

Process: Using multi blow header for head formation before threading, and then acid washing
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, Across the flat and corner of the hex, Thread length, Drilling Tapping diameter, Drilling Tapping length, Total length, Major diameter, Minor diameter, Thread angle, Pitch

Features

  • Chamfered Hex Washer Head
  • 3/8 Flat across the Hex
  • Drilling Screw
  • Tensile Strength: A2-80

Specification

  • Item Specification: ＃14-14*1-3/4”
  • Item Material: 18-8SS