THUNDERBOLT HEX HEAD M8x100

Packed: 100 The original and best selling all-purpose anchor Self tapping and suitable for concrete, stone, brick, marble, wood and block (solid or hollow) Safe anchorage achieved without the need of high tightening forces Can be removed and re-fixed into the same hole, providing the thread is correctly aligned No expansion forces means close to the edge fixing and reduced centre spacing distances Technical Info: Head TypeHex Head Driver Type15mm A/F Drill Bit Dia.8mm Max Fixture Thickness60mm Min Embed Depth40mm Min Over Drill Depth15mm Clearance Drill Bit Dia.10mm Max Tightening Torque40Nm Anchor Length 100mm Washer Size10mm Min Hole Depth55mm