M16 Galvanised Coach Bolts – Cup Square Hex

M16 Galvanised Coach Bolts Cup Square Hex Carriage Bolts for external applications. A heavy duty bolt with a mushroom domed shaped head often referred to as carriage bolts or cup square head.

The modern standard is to Din 603 / 555 with gives a range of dimensions within a certain tolerance. Although the thread length can vary depending on the source, some are part thread as per the data below, some are thread 100mm and some fully threaded.

Suitable for timber frames, oak beams, heavy duty fencing, play parks etc

Coach Bolts Galvanised Lg

Shop Here for Available Sizes in M16

Our stock in M16 ranges in lengths from 50mm 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.

M16 Galvanised Coach Bolts (Cup Square Hex) to Din 603.

Thread M16 x 2.0m Pitch – Head Diameter Min 37.2mm Max 38.8mm – Head Height Min 8.05mm Max 8.95mm. Thread length for M16 lengths up to 125mm long has a thread of 38mm, 125mm up to 200mm long has a thread of 44mm, and 200mm plus has a thread of 57mm.

Coach Bolts are available in Zinc, Galvanised and Stainless Steel.

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.

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