JB/T 7384.4-1994 Wrenching height inspection template

JB/T 7384.1-1994 Fastener corner width stop end inspection mold JB/T 7384.2-1994 Fastener head sinking and semi-sinking head height inspection mold JB/T 7384.3-1994 Head height and slot of fastener and thickness inspection template between support surface JB/T 7384.5-1994 Internal hex socket wrench JB/T 7384.6-1994 Internal hexagon counterbore with diameter tap gauge JB/T 7384.7-1994 The width of the slot for fasteners gauge JB/T 7384.8-1994 Slot depth gauge for fasteners JB/T 7384.9-1994 The thickness of the gap between the bottom of the slot and the supporting surface of the fastener nut is measured with a caliper JB/T 7384.10-1994 Inspection jig for the symmetry of the pin holes in the rod part and the head part of fasteners, the symmetry of the grooves in the grooved nuts, and the verticality of the open pin holes JB/T 7384.11-1994 Fastener nut thread perpendicular ruler JB/T 7384.12-1994 Fastener screw straightness inspection mold JB/T 7384.13-1994 The outside diameter measuring gauge for self-tapping locking screws JB/T 7384.14-1994 Fastener wood screws thread pilot caliper JB/T 7384.15-1994 The gap between the two feet of the fastener testing opening pin and the amount of misalignment of the ring gauge are measured JB/T 7384.16-1994 Fastener rivet hole diameter gauge JB/T 7384.17-1994 Fastener rivet hole depth gauge JB/T 7384.18-1994 Fastener washer keyhole gauge