JBO Thread Ring Gauge (NoGo) - UNJF - Right Hand - 3A - 5/16 x 24 Hex Key Drill Chuck High-speed capability: Rated for operational

High-speed capability: Rated for operational speeds up to 25

controlled material removal per DIN 8093 and ISO H4 tolerance

Size: Diameter 1

and shops that require reliable hole accuracy

Designed to DIN 212-B

JBO Thread Ring Gauge (NoGo) - UNJF - Right Hand - 3A - 5/16 x 24 Hex Key Drill Chuck High-speed capability: Rated for operationalJBO Thread Ring Gauge (NoGo) for UNJF, Right Hand, 3A, 5 16 x 24 is a precision inspection tool designed to verify external thread diameters quickly and reliably. Ideal for manufacturers, automotive shops, and aerospace quality teams, it helps ensure threaded components conform to the UNJF standard and achieve proper fitment every time. No Go design for fast conformance checks: Quickly identify over sized or non conforming threads by preventing false