Square Bolt (C Bolt) M12 x 36 mm Thread, 72 x 106 mm Internal Dimensions - ZP (Zinc Plated)


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Square Bolt (C Bolt) M12 x 36 mm Thread, 72 x 106 mm Internal Dimensions - ZP (Zinc Plated)

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£ 4.44 tax incl.

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50 10% £ 4.00
80 15% £ 3.77
100 20% £ 3.55
200 25% £ 3.33
500 30% £ 3.11
1000 35% £ 2.89
2000 40% £ 2.66
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Bright Zinc Plated Mild Steel Square bolt (C bolt) complete with 1 full nut and 1 half nut on each leg
To Suit 70*70 RHS (Rectangular hollow Section)
Ideally suited for use with standard rectangular hollow section, but of course will have many uses
These 1124 series are for holding just one RHS onto a supporting material not exceeding thickness 2*A

See 1125 series which are extended leg for thickness of supporting material greater than 2*A

Please refer to diagram for details (all measurements in mm):

RHS : 70*70

A = 12 mm

B = 72 mm

C = 106 mm

D = 36 mm

Centers = 84 mm
Our manufacturing tolerances are + / - 1 mm)

We use roll threading so the diameter of the bar is usually less than the thread size. Please ask if unsure
Data sheet
Material ZP (Zinc Plated)
Inside Diameter 72
Inside Height 106
Thread Size M12
Leg Centers 84
Leg Length 106
Thread length 36
Product Type C / Square-Bolt
Design Suit RHS Box Section
Delivery Details

We offer a range of delivery options based on the weight of the overall shopping cart and your specific location.

After adding the products to the shopping cart you will see a range of options based on delivery to mainland UK. Change country and the delivery options will be modified for your address.

  • Please be aware of our latest order times for same-day dispatch (2 PM)
  • We ship orders every weekday
  • Be aware of current stock levels (shown on the product page and the checkout page)
  • Be aware of our shipping terms and conditions (CLICK HERE) which basically state we may upgrade delivery at our discretion and that we are not responsible for late deliveries outside of our control


Every product page and the cart shows the current stock level. Our normal practice is to only ship the full order unless the shortfall is our fault.

If you can see we are short of stock and want to receive what we have as soon as possible, and the remainder when they are available, then add this product to the shopping cart also (UK Only):


Reviews (2)

Rated 5.00 on the scale 1 - 5 based on 2 customer reviews
Verified purchase

great service

Very responsive service for some excellent products

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Verified purchase

Ref: Square bolt (C bolt) 70x70 RHS - BZP Mild Steel

Above item purchased from extensive range on an easy to navigate website.
Excellent product exactly as described. Prompt delivery from placing order. No hesitation in recommending u-bolts-r-us.

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