Thread ring gauges made of hardended tool steel

Thread ring gauges for ISO metric threads, fine threads or trapezoidal threads according to DIN 13, DIN 103.
Thread ring gauges for American unified threads UNC and UNF, extra fine theads UNEF or pipe threads NPT.
Thread ring gauges for Withworth pipe threads or tapered pipe threads.

ISO metric threads  [35] Thread ring gauges (GO or NO-GO) 6g for ISO metric threads ISO 1502 (DIN 13) made of hardened tool steel

ISO metric fine threads  [42] Thread ring gauges (GO or NO-GO) 6g for ISO metric fine threads ISO 1502 (DIN 13) made of hardened tool steel

ISO metric trapezoidal threads  [24] Thread ring gauges (GO or NO-GO) 7e for metric ISO trapezoidal threads according to DIN 103 and made of hardened tool steel.

Withworth pipe threads  [15] Thread ring gauge according to DIN ISO 228 for Withworth pipe threads made of hardened tool steel. GO or NO-GO thread ring gauge A.

Withworth pipe threads tapered  [14] Thread ring gauges according to DIN 2999 for tapered Withworth pipe threads. Made of hardened tool steel with tolerance steps.

Amercian unified threads  [33] Thread ring gauges 2A - BS919 for American unified threads UNC, UNF made of hardened tool steel. GO or NO-GO rings.

American extra fine threads  [24] Thread ring gauges 2A - BS919 for American extra fine threads UNEF made of hardened tool steel. GO or NO-GO rings.

American pipe threads  [14] Thread ring gauges ANSI/ASME B.1.20.1 for American pipe threads NPT made of hardened tool steel with tolerance steps.