Technical Details

2020 HD Logo LONG
Hd Bolt Technical Data
Heavy Duty Product Specification Geomet 500B (1000 hour Salt Spray Protection)
Heavy Duty Bolt Logo
Product Code
Bolt Size
Hole DiameterFixing ThicknessDepth Clearance

Corrosion Protection

Salt Spray (hours)




MinMax
HD0845ZF
M8 x 45872510GEOMET 500B 1000Hr
HD1045ZF
M10 x 451072512GEOMET 500B 1000Hr
HD1060ZF
M10 x 601074012GEOMET 500B 1000Hr
HD1245ZF
M12 x 451282215GEOMET 500B 1000Hr
HD1260ZF
M12 x 601283715GEOMET 500B 1000Hr
HD1660ZFM16 x 6016123025GEOMET 500B 1000Hr
HD1675ZFM16 x 7516124525GEOMET 500B 1000Hr
HD2070ZFM20 x 7020153230GEOMET 500B 1000Hr
HD2085ZFM20 x 8520154730GEOMET 500B 1000Hr

Design Resistance for HD Type Blind Bolts
Design to BS EN 1993-1-8
GEOMET 500B HD BOLTS

Heavy Duty Bolt Logo
Bolt SizeTensile (kN)Single Shear (kN)Recommended Pre-load
Tightening Torque (Nm)
M8

8.5

14.120
M1025.222.335
M1246.432.345
M1657.560.195
 M20 77.5 94.1 120

The above resistances are equally appropriate for designs to BS 5950

Stainless Steel HD Bolts

Heavy Duty Product Specification
A4-70 STAINLESS STEEL

Heavy Duty Bolt Logo
Product Code
Bolt Size
Hole DiameterFixing ThicknessDepth Clearance



MinMax
HD0845SS
M8 x 45872510
HD1045SS
M10 x 451072512
HD1060SS
M10 x 601074012
HD1245SS
M12 x 451282215
HD1260SS
M12 x 601283715
HD1660SSM16 x 6016123025
HD2070SSM20 x 7020153230

Design Resistance for HD Type Blind Bolts
Design to BS EN 1993-1-8
A4-70 STAINLESS STEEL

Heavy Duty Bolt Logo
Bolt SizeTensile (kN)Shear (kN)Recommended Pre-load
Tightening Torque (Nm)
M8

10.5

12.918
M1020.220.024
M1231.429.530
M1640.141.545
M2068.775.280

The above resistances are equally appropriate for designs to BS 5950