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Fixaball sells all lengths of M12 Loose Hex Bolt, Heavy Duty Masonry Anchors.
Installation of Shield Anchors
When drilling holes you must respect the specified minimum depth and diameters shown in the table below. Holes must be square to the surface of the base material (e.g concrete) for safety during installation and to optimise holding capacity. Use the material/ fixture as a template to dill accurate locations
If drilling through concrete that has rebar reinforcements, special care must be taken to avoid damaging them. If some rebar is encountered, abort the hole, repair with high quality mortar and create a new hole, no less than twice the diameter of the shield anchor, away.
Optimising your fixings holding capacity.
Orders placed before 2pm are dispatched same day (Mon-Fri).
Standard, Free Delivery is Royal Mail, 2nd Class (2-5 days, most likely 2 days). For a faster delivery time, select 1st class or courier at checkout. . Postage upgrades available at checkout for time sensitive deliveries.
Please make your 'no of items in pack', 'length', and 'quantity', of packs selection from the drop down menus.
Important Loose Bolt Anchor Performance Dimensions
Thread Diameter of Hex Bolt | Shield Hole Size | Max Fix.Thickness |
M12 | 20mm | 10mm |
M12 | 20mm | 25mm |
M12 | 20mm | 40mm |
M12 | 20mm | 60mm |
NOTE: the 1st dimension refers to the thread diameter and not the hole diameter. Please see the table below for further information on what masonry drill bit to use. The 2nd dimension refers to the maximum fixture thickness (space between the underside of the head and the shield +/- 5mm). The 3rd dimension is the actual length of the hex-bolt/ hex-set that goes into the sheild (in brackets).
Table: Shows typical masonry shield values and measurements
All measurements in Metric - mm (all lengths are taken from under the hexagan head) |
||||||||
Thread Diameter |
Hole Diameter |
Hole Depth |
Fixture/ Material Clearance Hole |
Centre Spacing Between Holes |
Minimum Distance From Edge of Material |
Tensile/ Pull Load k/N (tonnes) |
Shear Load k/N (tonnes) |
Torque to tighten Nm |
M6 |
12 |
50 |
7 - 8 |
120 |
80 |
3.5 |
2.1 |
6.5 |
M8 |
14 |
55 |
9 – 10 |
150 |
100 |
4.8 |
4.4 |
15 |
M10 |
16 |
65 |
11 – 12 |
180 |
120 |
6.2 |
6.1 |
27 |
M12 |
20 |
85 |
13 – 14 |
250 |
160 |
9.7 |
12.4 |
50 |
M16 |
25 |
125 |
17 - 18 |
290 |
190 |
21.3 |
27.6 |
120 |
All specifications are true with correct installation |
Socket size guide:
M6 - 10mm Spanner
M8 - 15mm Spanner
M10 - 17mm Spanner
M12 - 19mm Spanner
M16 - 24mm Spanner
M20 - 30mm Spanner
Image is for illustrative purposes only.
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Items must be returned within 30 days of the auction ending
Buyer will pay for return shipping.