Carriage bolts
Bolts with a domed head and a square neck.
This page lists 18 carriage bolts from 13 brands. For 16 of them, their listings give diameter from 4 mm to 12 mm.
Order: Amazon UK's own sales ranking, read 3 November 2026.
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| Product | Diameter (listing) | Pieces in the pack (listing) | Amazon |
| Forgefix CB10100M carriage bolts | 10 mm | 10 | Ad See it on Amazon, Forgefix CB10100M carriage bolts |
| Merriway BH04826 carriage bolts, 10-pack | 6 mm | 10 | Ad See it on Amazon, Merriway BH04826 carriage bolts, 10-pack |
| SZSLMY M6 Coach Bolts, 52-pack | 6 mm | Not given | Ad See it on Amazon, SZSLMY M6 Coach Bolts, 52-pack |
| Forgefix FORCB8150G carriage bolts | 8 mm | 10 | Ad See it on Amazon, Forgefix FORCB8150G carriage bolts |
| BACSHBY Coach Bolts, 20-pack | 4 mm | Not given | Ad See it on Amazon, BACSHBY Coach Bolts, 20-pack |
| TERF M6 X 150mm Cup Square Carriage Bolt and Nut M6 | 6 mm | 10 | Ad See it on Amazon, TERF M6 X 150mm Cup Square Carriage Bolt and Nut M6 |
| TERF M8 X 100mm Cup Square Carriage Bolt and Nut M8 | 8 mm | 10 | Ad See it on Amazon, TERF M8 X 100mm Cup Square Carriage Bolt and Nut M8 |
| sourcing map M12x75mm Square Neck Carriage Bolts with Nuts & Washers | 12 mm | 12 | Ad See it on Amazon, sourcing map M12x75mm Square Neck Carriage Bolts with Nuts & Washers |
| TXXATX Carriage Bolts M8x40mm, 10-pack | Not given | Not given | Ad See it on Amazon, TXXATX Carriage Bolts M8x40mm, 10-pack |
| Forgefix M6 Zinc Carriage Bolts with Nuts | 6 mm | 10 | Ad See it on Amazon, Forgefix M6 Zinc Carriage Bolts with Nuts |
| Cheapscrews M6 M8 M10 M12 Cup Square Carriage Bolts Coach Screw | Not given | 5 | Ad See it on Amazon, Cheapscrews M6 M8 M10 M12 Cup Square Carriage Bolts Coach Screw |
| Moqinai HYQ-UK-MCM6-60 carriage bolts | 6 mm | 60 | Ad See it on Amazon, Moqinai HYQ-UK-MCM6-60 carriage bolts |
| JinZeYou M8 Coach Bolts, 48-pack | 8 mm | Not given | Ad See it on Amazon, JinZeYou M8 Coach Bolts, 48-pack |
| Nuts OT nuts Coach Bolts M8 x 40mm Cup Square Carriage Bolts | 8 mm | Not given | Ad See it on Amazon, Nuts OT nuts Coach Bolts M8 x 40mm Cup Square Carriage Bolts |
| TIMCO 12300CB carriage bolts | 12 mm | 10 | Ad See it on Amazon, TIMCO 12300CB carriage bolts |
| TIMCO 12150CBB carriage bolts | 12 mm | 10 | Ad See it on Amazon, TIMCO 12150CBB carriage bolts |
| Forgefix FORCB10150M carriage bolts | 10 mm | 10 | Ad See it on Amazon, Forgefix FORCB10150M carriage bolts |
| Home DIYer M6 x 80mm Carriage Coach Bolts Set | 6 mm | 20 | Ad See it on Amazon, Home DIYer M6 x 80mm Carriage Coach Bolts Set |
Columns marked (listing) show what each Amazon listing says, read on 3 November 2026. We have not checked them with the maker.