Description
U-bolts manufactured in the UK by Graphskill Ltd using good quality European steel (Mill traceable)
Gripped (Anchor) U-bolt – conforms to DIN 3570 Type A
Available in Zinc Plated Steel, Galvanised Steel, T304 (A2) Stainless Steel & T316 (A4) Marine Grade Stainless Steel
Use where it is necessary to grip the pipe in all directions
Includes two nuts per leg
Although designed for Standard Schedule Pipe Size, they can obviously be used wherever the dimensions are suitable for your application
All measurements in millimetres (mm)
| Pipe Nominal Bore | Pipe OD | Thread size | Thread Length | U-Bolt Inside Diameter | U-Bolt Inside Height | U-Bolt Leg Centers | Matching Plates |
| 15 | 21.3 | M10 | 30 | 23 | 51 | 33 | Please contact us |
| 20 | 26.9 | M10 | 40 | 30 | 60 | 40 | Click Here for 20 and 25 NB Backing Plates |
| 25 | 33.7 | M10 | 40 | 38 | 66 | 48 | |
| 32 | 42.4 | M10 | 50 | 46 | 76 | 56 | Click Here for 32 and 40 NB Backing Plates |
| 40 | 48.3 | M10 | 50 | 52 | 82 | 62 | |
| 50 | 60.3 | M12 | 50 | 64 | 97 | 76 | Click Here to see 50 NB Backing Plates |
| 65 | 76.1 | M12 | 50 | 82 | 113 | 94 |
Click Here for 65 & 80 NB Backing Plates |
| 80 | 88.9 | M12 | 50 | 94 | 126 | 106 | |
| 100 | 114.3 | M16 | 60 | 120 | 155 | 136 | Please contact us |
| 125 | 139.7 | M16 | 60 | 148 | 175 | 164 | Please contact us |
| 150 | 168.3 | M16 | 60 | 176 | 201 | 192 | Please contact us |
| 175 | 193.7 | M16 | 60 | 202 | 253 | 218 | Please contact us |
| 200 | 219.1 | M20 | 70 | 228 | 263 | 248 | Please contact us |
| 250 | 273.0 | M20 | 70 | 282 | 314 | 302 | Please contact us |
| 300 | 323.9 | M20 | 70 | 332 | 365 | 352 | Please contact us |
| 350 | 355.6 | M24 | 70 | 378 | 411 | 402 | Please contact us |
| 400 | 406.4 | M24 | 70 | 428 | 463 | 452 | Please contact us |
| 500 | 508.0 | M24 | 70 | 530 | 565 | 554 | Please contact us |
Materials:
A4 (T316) Marine grade stainless steel has a greater corrosion resistance than A2 in certain environments. It is often used for Marine applications especially when coming into direct contact with salt water.
A2 (T304) stainless steel has good resistance to corrosion except in severe industrial and Marine conditions. Use A4 in a marine environment.
BZP – Bright Zinc Plated (Grade 8.8) – A 3-micron plating is applied to the steel to give a shiny finish. Although it does afford some protection this is best suited to indoor use.
Galvanised (Grade 8.8) – A duller finish than BZP, typically 50 microns thick covering of Zinc and therefore provides much more protection suitable for many outdoor applications. To allow for this layer you should use tapped oversized nuts
Manufacturing:
Our manufacturing tolerances are + / – 1 mm
We use roll threading so the diameter of the bar is usually less than the thread size.
Lead time to manufacture more is 1-2 days for stainless Steel and 1 – 14 days for galvanised and zinc-plated steel
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