Button-Head Hex-Socket Machine Screw – Yellow Zinc – Code 8100.0.85017

  • Status: Out of stock
  • Vendor: Vinahardware
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Button-Head Hex-Socket Machine Screw – Yellow Zinc – Code 8100.0.85017

Key Facts Details
Thread Range M3 × 0.5 • M4 × 0.7 • M5 × 0.8 • M6 × 1.0 • M8 × 1.25
Standard Lengths 8 – 60 mm (custom up to 120 mm, 5 mm increments)
Head / Drive Low-profile button head • Internal hex: 2 mm (M3) • 2.5 mm (M4) • 3 mm (M5) • 4 mm (M6) • 5 mm (M8)
Material / Property Class Carbon-steel Class 4.8 (Class 6.8 / 8.8 on request)
Surface Finish Trivalent yellow-zinc passivate, 8 µm (RoHS compliant)
Corrosion Test ≥ 72 h neutral salt-spray (ASTM B117)
Tensile Strength ≥ 420 MPa (Class 4.8)
Head Marking “VH” + grade dots or customer logo
MOQ 50 000 pcs / size
Lead Time 15 – 18 days after 30 % deposit
Packing 1 000 pcs / PE bag → 20 kg carton → 900 kg pallet

Product Overview

Vinahardware’s 8100.0.85017 button-head screw delivers a smooth, flush-looking fastener for furniture, sheet-metal fixtures and DIY packs. The yellow-zinc layer hides fingerprints and blends with plywood cores, while rolled threads ensure high strip-out torque. Internal hex drive eliminates screwdriver cam-out and speeds power-driver assembly.

Competitive Advantages

  • Washer-less button head cuts assembly time by 20 %.

  • Gold-tone plating gives a premium accent to oak, walnut or brass hardware.

  • Custom threads, head markings, black/white zinc or Zn-Ni 120 h plating in seven days – no new tooling.

Typical Applications

RTA case goods • Metal brackets to timber • Retail displays • Electrical enclosures • General maintenance kits.

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