Updated: 03/12/09Scaffolding Ringbolt (SRB) 12mm
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FURTHER INFORMATION
For additional technical data please call the Sales Desk on
01702 206962 or 01702 207909
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Please note: From time to time, materials and specifications are changed to improve performance, please check for the latest information.
SRB 12mm Options
| Ringbolt Diameter |
Ringbolt Internal Diameter
|
Clearance Hole Diameter |
Safe Load on eye |
Max Fixing Thickness 'A'
|
Thread Length 'B'
|
Clearance Depth 'C'
|
Box Quantity |
Order code: |
| 12mm |
52mm |
15mm |
16.39 kN |
- |
65 |
24 |
25 |
SRB 12 / 120 x52
|
| Drill Bit Diameter |
Concrete and Brick |
12.0mm |
| Soft Materials |
11.0mm |
ULTIMATE & SAFE LOAD CHARACTERISTICS BASED ON 3:1 RATIO
| Material |
Embedment
Depth
(mm) |
Tensile Load kN. |
Shear Load kN. |
| Ultimate |
Safe |
Ultimate |
Safe |
| Concrete |
60 N/mm² |
60 |
38.70 |
12.90 |
- |
- |
| 60 N/mm² |
90 |
69.00 |
23.00 |
59.80 |
19.93 |
| Concrete |
30 N/mm² |
60 |
26.50 |
8.83 |
- |
- |
| 30 N/mm² |
90 |
43.00 |
14.33 |
59.80 |
19.93 |
| Engr. Brick |
100 N/mm² |
45 |
20.00 |
6.67 |
- |
- |
| Semi.Engr. |
70 N/mm² |
45 |
15.00 |
5.00 |
- |
- |
| Fletton |
20 N/mm² |
45 |
15.80 |
5.27 |
- |
- |
| Butterly |
20 N/mm² |
45 |
5.10 |
1.70 |
- |
- |
| Hemelite |
3.5 N/mm² |
75 |
12.10 |
4.03 |
- |
- |
| Lignacite |
3.5 N/mm² |
- |
- |
- |
- |
- |
| Topcrete |
7.0 N/mm² |
75 |
18.90 |
6.30 |
- |
- |
**For this Ringbolt please refer to Video on website for information on the weld
SRB 12mm TECHNICAL DATA
| Material |
Boron Steel BS3111/9/2.1.A |
| Finish |
Mechanical Zinc as standard, or Zinc & Yellow passivated |
| Other finishes |
Other platings & finishes are available to special order subject to quantity |
| Tensile strength |
800N/mm2 Case hardened |
| Other sizes |
Other lengths of all diameters are available to special order subject to quantity |
| Embedment concrete and brick |
Minimum recommended is 4.5 × bolt diameter |
| Soft block |
Minimum recommended is 75mm |
| Edge distance & spacings |
For Edge distances between 5 dia. and 10 dia. see reduction factors
|
All dimensions in millimetres (mm)
