1 Scope
This standard specifies type and dimension, technical requirements, test method, marking method and acceptance and packing for Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures with thread specification is M16-M30.
This standard is applicable to industrial and civil architecture, bridge, tower structure, boiler steel structure, hoisting machinery and other sets of torshear type high strength bolt hexagon nut and plain washer for steel structures.
2 Normative References
The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply. For undated references, the latest edition of the normative document referred to applies.