8mm x 120mm Coach Screw (DIN 571) | 4.8 Steel Galvanised

Product code: HHCS571-8-120-48-HDG
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8mm x 120mm Coach Screw (DIN 571) | 4.8 Steel Galvanised
8mm x 120mm Coach Screw (DIN 571) | 4.8 Steel Galvanised
8mm x 120mm Coach Screw (DIN 571) | 4.8 Steel Galvanised
8mm x 120mm Coach Screw (DIN 571) | 4.8 Steel Galvanised
8mm x 120mm Coach Screw (DIN 571) | 4.8 Steel Galvanised
8mm x 120mm Coach Screw (DIN 571) | 4.8 Steel Galvanised
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 99 £0.30 £0.36
100 - 499 £0.28 £0.34
500 - 999 £0.27 £0.32
1000 - 4999 £0.23 £0.27
5000 + £0.13 £0.16

£0.36 / each


Up to 3,700 units
Available
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3,700 + units
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Average production time 14 + days.
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Product Specification
Size 8mm
Length 120mm
Head Height 5.5mm
Thread Length 72mm
Material 4.8 Steel Galvanised
Across Flats 13mm
Shank Diameter 8mm
Standard DIN 571

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

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01233 713581


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M8 x 120mm Coach Screw DIN 571 | 4.8 Steel Galvanised

Built for repeatable timber fastening, this 8mm x 120mm Coach Screw provides a 72mm thread length and 13mm hex head size so the correct socket or spanner can be selected before fitting. The 120mm length helps provide the reach required for large-scale timber fabrication without moving away from the DIN 571 coach screw pattern.

The galvanised 4.8 steel finish offers a stronger protective layer than standard bright zinc plating, making it a practical choice for fencing, landscaping and external timber frames. The DIN 571 form gives a familiar coach screw profile for specifiers replacing like-for-like fasteners in existing timber assemblies. The 8mm diameter gives a balanced option for everyday joinery, fencing and support frame installation.

Common Applications

  • Marine-adjacent timber assemblies where the right grade is selected
  • Boardwalks, pontoons and external timber fixtures
  • Outdoor sleepers, gates and site timber assemblies
  • Replacement of corroded coach bolts or wood screws

M8 x 120mm Coach Screw Dimensions

  • Size: 8mm
  • Length: 120mm
  • Head Height: 5.5mm
  • Thread Length: 72mm
  • Across Flats: 13mm
  • Shank Diameter: 8mm
  • Standard: DIN 571
  • Material: 4.8 Steel Galvanised

Coach Screw Buying Guide

Use washers where the timber surface needs extra load spread or a cleaner finished appearance. The correct washer can help reduce marking beneath the hex head. Click here to read our coach screws guide.

Explore the full DIN 571 Coach Screws range and use our coach screw guide when comparing sizes, pilot holes and applications.

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