M12 Galvanised Coach Bolts Cup Square Hex Carriage Bolts for external applications. A mushroom head hammer in fixing used for external use with the heavy coating of spun galvanising or HDG hot dip galv. Suitable for timber connections such as timber frames, oak beams, heavy duty fencing, play parks etc.
Extra long coach bolts are available in stainless steel A2 or A4, Galvanised and zinc plated.
Exotic material are also available upon request.
Our stock in M12 ranges in lengths from 30mm to 400mm, if you cannot find the length you require, please make an enquiry to our team about potentially sourcing that for you. Some of the Coach Bolts come fully threaded so please ask if this is important.
M12 Coach Bolts (Cup Square Hex) to Din 603.
Thread M12 x 1.75mm Pitch – Head Diameter Min 29.35mm Max 30.65mm – Head Height Min 6.05mm Max 6.95mm
Thread length for M12 lengths up to 125mm long has a thread of 30mm thread, 125mm up to 200mm long has a thread of 36mm thread, and 200mm Plus has a thread of 49mm thread.
We also stock Galvanised Nyloc Nuts to suit the galvanised coach bolts.
The galvanised nylocs have oversized threads to fit the thicker coating of the galv.
For more information on this product please contact the Swiftfix team.