Widening test on nuts
This Standard specifies the test procedure for evaluating the acceptability of surface discontinuities designated in JIS B 1042 excluding nuts made of free cutting steel.
It applies to nuts with
— nominal thread diameter, d, from 5 mm up to and including 39 mm;
— product grades A and B;
— property classes described in Annex 1 and Annex 2 to JIS B 1052.
Check out other specifications
FASTENERS FOR USE IN STRUCTURAL APPLICATIONS
Fasteners—Surface discontinuities— Part 3 : Bolts, screws and studs for special requirements
Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems
METRIC SOCKET SET SCREWS
Hexagon thin slotted nuts and castle nuts with metric coarse and fine pitch thread Product grades A and B
General tolerances for linear and angular dimensions and geometrical tolerances (not to be used tor new designs)