| Length | M3 | M4 | M5 | M6 | M8 | M10 | M12 |
|---|---|---|---|---|---|---|---|
| 20mm | ✔ | ✔ |
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Mild steel self colour roof bolts provide a reliable fastening option for roofing, cladding, timber fixing and general construction work. These bolts feature a domed head with an integrated square or shaped underside to help prevent rotation during tightening. The self colour finish is ideal for components that will be painted, coated or used indoors away from corrosive environments.
Typical uses include fixing timber battens, securing roofing sheets, assembling frames, agricultural structures and general-purpose building tasks. When paired with matching nuts and washers, roof bolts offer dependable clamping strength and straightforward installation. Their simplicity and versatility make them a common choice across a wide range of construction and maintenance applications.