Woodstock Industrial Supplies | Throughbolt galv Dimensions

The hot dipped galvanised throughbolt is a torque controlled through fixing suitable for use in concrete from C20/25 to C50/60. The hot dip galvanised finish to a minimum of 42µm offers good corrosion resistance together with excellent load bearing capacities.

Thread size	Length	Hole Dia.	Maximum Fixture Thickness	Fixture Hole Clearance	Thread Length	Embedment Depth	Minimum Hole Depth	Structure Thickness	Tightening Torque Nm
M8	50mm	8mm	5mm	9mm	22mm	35mm	45mm	100mm	15
M8	75mm	8mm	10mm	9mm	25mm	55mm	65mm	100mm	15
M8	95mm	8mm	30mm	9mm	25mm	55mm	65mm	100mm	15
M8	120mm	8mm	55mm	9mm	25mm	55mm	60mm	100mm	15
M10	60mm	10mm	10mm	12mm	25mm	40mm	50mm	100mm	30
M10	70mm	10mm	20mm	12mm	30mm	40mm	50mm	100mm	30
M10	85mm	10mm	10mm	12mm	30mm	60mm	70mm	100mm	30
M10	105mm	10mm	30mm	12mm	30mm	60mm	70mm	100mm	30
M10	125mm	10mm	50mm	12mm	30mm	60mm	70mm	100mm	30
Thread size	Length	Hole Dia.	Maximum Fixture Thickness	Fixture Hole Clearance	Thread Length	Embedment Depth	Minimum Hole Depth	Structure Thickness	Tightening Torque Nm
M12	95mm	12mm	10mm	14mm	50mm	70mm	80mm	130mm	50
M12	110mm	12mm	15mm	14mm	35mm	80mm	90mm	130mm	50
M12	115mm	12mm	20mm	14mm	35mm	80mm	90mm	130mm	50
M12	145mm	12mm	50mm	14mm	35mm	80mm	90mm	130mm	50
M12	180mm	12mm	85mm	14mm	80mm	80mm	90mm	130mm	50
M16	115mm	16mm	15mm	18mm	40mm	80mm	90mm	170mm	100
M16	130mm	16mm	10mm	18mm	40mm	100mm	110mm	170mm	100
M16	150mm	16mm	30mm	18mm	40mm	100mm	110mm	170mm	100
M16	200mm	16mm	80mm	18mm	40mm	100mm	110mm	170mm	100
M20	180mm	20mm	35mm	22mm	45mm	120mm	130mm	200mm	200
M20	220mm	20mm	75mm	22mm	45mm	120mm	130mm	200mm	200
M20	240mm	20mm	135mm	22mm	45mm	120mm	130mm	200mm	200

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