Telephone 01202 478899
Facsimile 01202 474222
sales@nutsaboutbolts.org
We supply U Bolts in Steel & Stainless Steel.

Dimensions for Light Pattern U Bolts

(Click here for Heavy Pattern)

(Click here for Extended Leg)

Nominal Pipe Size Thread Size Between Centres Depth of U Thread Length
1/2" M6 28mm 48mm 30mm
3/4" M6 34mm 53mm 30mm
1" M6 41mm 60mm 30mm
1.1/4" M10 54mm 67mm 30mm
1.1/2" M10 60mm 85mm 35mm
2" M10 75mm 95mm 35mm
2.1/2" M12 90mm 124mm 55mm
3" M12 102mm 126mm 50mm
4" M12 131mm 144.5mm 50mm
5" M12 156mm 182mm 50mm
6" M12 182mm 210mm 50mm
8" M16 240mm 252mm 50mm
10" M16 292mm 318mm 50mm
12" M16 343mm 363.6mm 50mm


(Click here For Light Pattern)

(Click here for Extended Leg)
Heavy Pattern U Bolt

Nominal Pipe Size Thread Size Between Centres Depth of U Thread Length
1/2" M8 30mm 46mm 25mm
3/4" M8 35mm 56mm 25mm
1" M8 45mm 61mm 25mm
1.1/4" M8 55mm 71mm 25mm
1.1/2" M10 60mm 85mm 35mm
2" M10 75mm 95mm 35mm
2.1/2" M12 90mm 124mm 45mm
3" M16 105mm 142mm 50mm
4" M16 135mm 167mm 50mm
5" M16 160mm 192mm 50mm
6" M20 190mm 225mm 55mm
7" M20 215mm 250mm 55mm
8" M20 245mm 285mm 55mm
9" M20 270mm 300mm 55mm
10" M20 300mm 340mm 60mm
12" M20 350mm 390mm 60mm
14" M24 385mm 428mm 65mm
16" M24 435mm 488mm 65mm
18" M24 485mm 528mm 70mm
20" M24 540mm 588mm 70mm
22" M24 590mm 638mm 70mm
24" M24 640mm 688mm 70mm


(Click here For Light Pattern)

(Click here for Heavy Pattern)
Extended U Bolt

Nominal Pipe Size Thread Size Between Centres Depth of U Thread Length
1/2" M6 27mm 97mm 75mm
3/4" M6 33mm 103mm 75mm
1" M6 40mm 111mm 75mm
1.1/4" M10 55mm 122mm 85mm
1.1/2" M10 61mm 127mm 85mm
2" M10 70mm 140mm 85mm
2.1/2" M10 86mm 152mm 85mm
3" M12 102mm 168mm 90mm
4" M12 126mm 193mm 90mm
5" M12 152mm 213mm 90mm
6" M12 1182mm 240mm 90mm
8" M16 241mm 298mm 95mm
10" M16 293mm 349mm 95mm
12" M16 343mm 387mm 95mm