OO M12x120 Cup Square Hex Coach Bolts Zinc Plated
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Home » Coach Bolts » Coach Bolts - Zinc Plated » M12 Coach Bolts Zinc Plated » M12x120 Cup Square Hex Coach Bolts Zinc Plated


M12x120 Cup Square Hex Coach Bolts Zinc Plated


M12x120 Cup Square Hex Coach Bolts Zinc Plated
  • These coach bolts are zinc plated, and ideal for timber to timber joining.
    • They come complete with with a hex nut and are fully threaded to 100mm. Coach bolts upto 100mm are fully threaded, over 100mm will have a minimum of 100mm of thread unless stated.
  • Also known as 'cup square hex bolts', the square underneath the cup stops rotation of the bolt when tightening.
  • Conforms to DIN603 and DIN934 standards.
  • Available in a comprehensive range of sizes to suit most applications.

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When out of stock, any availability times are estimates and dependent upon supplier stock. Items without a lead time have no confirmed status and may take up to 12 weeks to arrive.

Next day delivery is available on items marked with a *.

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M12x120 Cup Square Hex Coach Bolts Zinc Plated (Pack of 1)


Part No: M12-120CB-Z

TIK Products

£0.30
Excl VAT: £0.25
Out Of Stock

M12x120 Cup Square Hex Coach Bolts Zinc Plated [Incl. Nuts & Washers] (Pack of 5)


Part No: FM12-120CB-Z5

TIK Products

£3.65
Excl VAT: £3.04
140 Packs
In Stock

M12x120 Cup Square Hex Coach Bolts Zinc Plated (Pack of 10)


Part No: HX12-120CB-Z

HX Fixings

£5.12
Excl VAT: £4.27
3 Days

M12x120 Cup Square Hex Coach Bolts Zinc Plated (Pack of 25)*


Part No: FM12-120CB-Z

Fixings Megastore

£9.64
Excl VAT: £8.03
28 Packs
In Stock
  • These coach bolts are zinc plated, and ideal for timber to timber joining.
    • They come complete with with a hex nut and are fully threaded to 100mm. Coach bolts upto 100mm are fully threaded, over 100mm will have a minimum of 100mm of thread unless stated.
  • Also known as 'cup square hex bolts', the square underneath the cup stops rotation of the bolt when tightening.
  • Conforms to DIN603 and DIN934 standards.
  • Available in a comprehensive range of sizes to suit most applications.
APPLICATION
Used mainly for fastening timber to timber and is extensively used for timber joist construction in house building and numerous decking applications.

A carriage bolt, also known as coach bolt or as cup square hex bolts, has a domed head, and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened. A rib neck carriage bolt has several longitudinal ribs instead of the square section, to grip into a metal part being fixed.

Zinc coatings prevent oxidation of the protected metal to create a longer lasting finish. It does this by forming a barrier and by acting as a sacrificial anode if this barrier is damaged. Zinc oxide is a fine white dust that (in contrast to iron oxide) does not trigger a breakdown of the substrates surface integrity as it is formed. The zinc oxide, if left intact, can act as a barrier to further oxidation, in a way similar to the protection afforded to aluminum and stainless steels by their oxide layers.

Fastener Specifications
Head TypeCup Square Hex
Bolt Diameter12mm
Fixing Length120mm
Thread Length100mm
Thread TypeMetric
Thread Pitch1.75mm
Bolt FinishZinc Plated
Material Grade4.6 Mild Steel
Bolt SpecificationDIN 603/1218
Tags: m12x120 cup square hex coach bolts zinc plated, grouped, fixings megastore, m12 coach bolts zinc plated, coach bolts, coach bolts - zinc plated