This standard specifies flanged hexagonal welded nuts (hereinafter referred to as nuts) of part class A with a coarse thread with a thread designation of M5 to M16 and a fine thread of M8 to M16.
JIS B 1200:2007 Referenced Document
JIS B 0205-4 ISO general purpose metric screw threads -- Part 4: Basic dimensions
JIS B 0209-3 ISO general purpose metric screw threads -- Tolerances -- Part 3: Deviations for constructional screw threads
JIS B 1021 Tolerances for fasteners -- Part 1: Bolts, screws, studs and nuts -- Product grades A, B and C
JIS B 1051 Mechanical properties of fasteners made of carbon steel and alloy steel.Bolts, screws and studs with specified property classes.Coarse thread and fine pitch thread*， 2014-09-22 Update