Screw M4 X 20 Steel Zinc Plate Cap E80-400-173-120-00

Subject to availability.

M4 ×?20?mm steel cap screw, zinc-plated, part code E80-400-173-120-00. Designed for secure fixings in heating, plumbing, and mechanical assemblies.

Features & Technical Specifications:
• Size: M4 ×?20?mm (4?mm diameter, 20?mm length)
• Finish: Bright zinc plating for corrosion resistance
• Head Type: Hexagon head cap providing easy wrench or socket drive
• Material Grade: High-tensile steel (commonly Class?8.8) for strength and durability
• Thread Pitch: 0.7?mm metric standard
• Weight per Screw: Approximately 2.6?g (depending on manufacturer)
• Function: Provides firm, vibration-resistant assembly in burner components, casings, flues, or mounting brackets
• Standalone Part: Often required as spares in OEM service kits

Applications:
Widely used in oil and gas appliance assemblies (e.g. fireboxes, ventilation sockets, burner housings), radiator fixings, and general mechanical installations where a secure M4 cap bolt is needed. Part code E80-400-173-120-00 corresponds to manufacturer OEM listings for quick identification and replacement.