Sets of high strength hexagon bolt, hexagon nut and plain washers for friction grip joints
Status
Valid
Standard Abstract
This Japanese Industrial Standard specifies the sets of high strength hexagon bolt, hexagon nut and plain washers for friction grip joints used mainly for steel structures.
Date Established
1964-06-01
Date Revised
1995-03-01
Date Confirmed
2005-01-20
Size Range
Diameter : M12 - M30 Length : 30 - 220 mm
Available Finishing
Black (Original) Mechanical Zinc Galvanised DACROTIZED®
Pretensioning
Power wrenches should be used for tightening every structural bolts of slip-critical connections to specified tensions.