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Expansion shields allow anchoring attachments via metal inserts driven into pre-drilled holes and expanded to seal against the sides of the holes. These units are designed for resisting
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B| Style | Model | Anchor Dia. | Drill Size | Length | Min. Embedment | Screw Size | Ultimate Shear in 3000 PSI Concrete (Lb.) | Ultimate Tension in 3000 PSI Concrete (Lb.) | Price (inc. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 3462000 | £313.08 | ||||||||
| B | 3460000 | £375.68 | ||||||||
| B | 3430000 | £144.07 | ||||||||
| B | 3431000 | £172.16 | ||||||||
| B | 3432000 | £149.31 | ||||||||
| B | 3450000 | £255.77 | ||||||||
| B | 3451000 | £332.52 | ||||||||
| B | 3452000 | £286.08 | ||||||||
| A | 3453000 | £224.23 | ||||||||
| B | 3422000 | £253.34 | ||||||||
| B | 3420000 | £168.86 | ||||||||
| B | 3423000 | £250.20 | ||||||||
| B | 3440000 | £157.59 | ||||||||
| B | 3441000 | £320.31 | ||||||||
| B | 3442000 | £312.67 | ||||||||
| A | 3443000 | £309.94 |
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C| Style | Model | Anchor Dia. | Drill Size | Internal Thread Size | Length | Min. Embedment | Screw Size | Type | Ultimate Shear in 3000 PSI Concrete (Lb.) | Price (inc. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 6210000 | £23.22 | |||||||||
| A | 6212000 | £30.96 | |||||||||
| B | 3304000 | £22.80 | |||||||||
| B | 3315000 | £31.05 | |||||||||
| B | 3314000 | £22.40 | |||||||||
| B | 3305000 | £25.94 | |||||||||
| C | 6104000 | £10.30 | |||||||||
| A | 6204000 | £26.95 | |||||||||
| B | 3308000 | £54.72 | |||||||||
| A | 6206000 | £36.34 | |||||||||
| B | 3318000 | £75.21 | |||||||||
| C | 6106000 | £16.79 | |||||||||
| C | 6105000 | £20.35 | |||||||||
| A | 6205000 | £46.48 | |||||||||
| B | 3306000 | £48.89 | |||||||||
| B | 3316000 | £64.23 | |||||||||
| C | 6108000 | £28.80 | |||||||||
| A | 6208000 | £38.03 |
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DExpansion shields allow anchoring attachments via metal inserts driven into pre-drilled holes and expanded to seal against the sides of the holes. These units are designed for resisting shear force from mechanical loads and securing bolts or fasteners exposed to vibration or side pressure.
Through-bolts are made of high tensile steel and their expansion claps completely deform in the hole. Through-bolts function by expanding on the end fork. As you tighten the top nut, the cone piece will gradually pull through the clasp and begin to expand.
They are similar to drop-in anchors such that they must be struck to be installed. They feature a nylon or steel body that is positioned in the hole. A nail / screw is driven through the centre of the anchor, forcing the body to expand against the substrate.
They are made of three parts: an expanding sleeve, a threaded bolt and a properly sized nut. When used in conjunction, the force produced by tightening the nut and bolt pushes the expanding portion of the sleeve outwards, gripping the material into which the sheathing is embedded. Owing to the unique fastening system, expansion bolts are best suited for connecting porous materials like brick, stone & concrete.