Standard sizes of Heavy Duty Hex Bolt Zinc Plated

Thread Diameter	Overall Length	Max Fixture Thickness	Drill Hole Dia.	Min. Hole Depth	Embedment Depth	Fixture Clearance Hole	Min. Structure Thickness	Tightening Torque Nm
6mm	75mm	10mm	10mm	65mm	60mm	12mm	100mm	15Nm
6mm	95mm	30mm	10mm	65mm	60mm	12mm	100mm	15Nm
6mm	115mm	50mm	10mm	65mm	60mm	12mm	100mm	15Nm
Thread Diameter	Overall Length	Max Fixture Thickness	Drill Hole Dia.	Min. Hole Depth	Embedment Depth	Fixture Clearance Hole	Min. Structure Thickness	Tightening Torque Nm
8mm	87mm	10mm	12mm	80mm	70mm	14mm	120mm	30Nm
8mm	107mm	30mm	12mm	80mm	70mm	14mm	120mm	30Nm
8mm	127mm	50mm	12mm	80mm	70mm	14mm	120mm	30Nm
Thread Diameter	Overall Length	Max Fixture Thickness	Drill Hole Dia.	Min. Hole Depth	Embedment Depth	Fixture Clearance Hole	Min. Structure Thickness	Tightening Torque Nm
10mm	108mm	15mm	15mm	95mm	85mm	17mm	140mm	50Nm
10mm	118mm	25mm	15mm	95mm	85mm	17mm	140mm	50Nm
10mm	138mm	45mm	15mm	95mm	85mm	17mm	140mm	50Nm
Thread Diameter	Overall Length	Max Fixture Thickness	Drill Hole Dia.	Min. Hole Depth	Embedment Depth	Fixture Clearance Hole	Min. Structure Thickness	Tightening Torque Nm
12mm	117mm	10mm	18mm	105mm	95mm	20mm	160mm	80Nm
12mm	127mm	20mm	18mm	105mm	95mm	20mm	160mm	80Nm
12mm	147mm	40mm	18mm	105mm	95mm	20mm	160mm	80Nm
12mm	177mm	70mm	18mm	105mm	95mm	20mm	160mm	80Nm
Thread Diameter	Overall Length	Max Fixture Thickness	Drill Hole Dia.	Min. Hole Depth	Embedment Depth	Fixture Clearance Hole	Min. Structure Thickness	Tightening Torque Nm
16mm	132mm	10mm	24mm	130mm	120mm	26mm	200mm	160Nm
16mm	152mm	20mm	24mm	130mm	120mm	26mm	200mm	160Nm
16mm	182mm	50mm	24mm	130mm	120mm	26mm	200mm	160Nm
Thread Diameter	Overall Length	Max Fixture Thickness	Drill Hole Dia.	Min. Hole Depth	Embedment Depth	Fixture Clearance Hole	Min. Structure Thickness	Tightening Torque Nm
20mm	192mm	25mm	28mm	160mm	150mm	31mm	250mm	200Nm
20mm	222mm	50mm	28mm	160mm	150mm	31mm	250mm	200Nm