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Countersunk Head Screw Strength Class 10.9 16mm Wurth

BRAND: Wurth
SKU: 4123640416
$8.80 List price: $11.00
25 PCS ($0.35 per PCS)
+ −
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Wurth Countersunk Head Screw ISO Strength Zinc-Nickel features M4, 16mm length and 7.96mm head diameter. Thermal capacity up to 120°C.
Technical Specifications
  • Thread type x nominal diameter: M4
  • Length: 16 mm
  • Head diameter: 7.96 mm
  • Head height: 2.48 mm
  • Internal drive: Hexagon socket HS2.5
  • Standards: ISO 10642
  • Material: Steel
  • Property class: 10.9
  • Surface finish: Zinc nickel black
  • Corrosion protection period: 480 hours
  • RoHS-compliant: Yes
  • Head type: Countersunk head
  • Drive type: Hexagon socket
  • Thread type: Metric thread
  • Thread form: Standard metric thread
  • Thread design: Full thread
  • Product class: A
  • Dimensions (H x L x W): 2.48mm x 16mm x 7.96mm
  • Weight: 0.02 kg
Key Features
  • Zinc-plated chromium (VI)-free zinc-nickel black coating (ZNBHL) for high corrosion resistance
  • Corrosion resistance up to 480 hours for M4 diameter screws according to DIN EN ISO 9227 NSS
  • Top coat with integrated lubricating particles for adjusted friction coefficient (0.09 μ–0.14 μ)
  • Thermal capacity up to 120°C
  • Even coat distribution providing functional and decorative finish
  • Countersunk head with hexagon socket drive
  • Full metric thread design
Professional Installation Requirements
  • Installation by a qualified professional is recommended to ensure proper torque and secure fastening.
Applications
  • Mechanical assembly requiring high corrosion resistance
  • Industrial machinery fastening
  • Automotive and transport equipment
  • High-risk corrosion environments
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Chromium (VI)-free coating reduces environmental and health hazards
  • RoHS-compliant material ensures reduced hazardous substances
Warranty Information

Standard manufacturer warranty against defects in material and workmanship.

Available Now

Available for immediate purchase, ideal for industrial, automotive, and mechanical fastening applications.

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