Product
Zinc-plated steel coach screw conforming to DIN 571 standard, measuring Ø12x90mm, supplied in a pack of 50 pieces for structural and heavy-duty wood fastening applications.
Specifications
- Manufactured from steel with a zinc-plated finish providing corrosion resistance for indoor and sheltered outdoor use
- Complies with DIN 571 standard, ensuring consistent dimensional accuracy and mechanical performance
- Hexagonal head design allows installation with a wrench or socket for high-torque tightening
- Diameter of 12mm and length of 90mm suited for heavy timber assemblies and load-bearing connections
- Pack of 50 pieces for professional or large-scale project use
Usage
Insert the coach screw through a pre-drilled pilot hole into wood or timber using a wrench or socket driver. The threaded shank grips the wood fibres securely, making it ideal for structural joints, post anchoring, decking frames, and heavy carpentry assemblies.
FAQ
- What is the DIN 571 standard? — DIN 571 is a German industrial standard defining the dimensions, tolerances, and mechanical requirements for hexagon head wood screws, ensuring reliable and consistent performance.
- Is zinc plating sufficient for outdoor use? — Zinc plating offers moderate corrosion resistance, suitable for sheltered outdoor environments. For fully exposed or high-humidity conditions, a stainless steel alternative is recommended.
- Do I need to pre-drill before installing this screw? — Yes, pre-drilling a pilot hole is strongly recommended for a 12mm diameter screw to prevent wood splitting and to ease installation.
- What tool is required for installation? — A wrench, socket wrench, or impact driver fitted with the appropriate hexagonal socket is required to drive this coach screw correctly.
- What type of wood is this screw compatible with? — This screw is compatible with softwood and hardwood, including structural timber, glulam beams, and treated wood used in construction and carpentry projects.
mvm-dt-2026-03
