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Tap Terminology |
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TAP TERMINOLOGY
GENERAL SPECIFICATIONS |
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THREAD |
GENERAL SPECIFICATIONS |
THREADS GROUND TO |
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| METRIC | ISO 529 & ANSI | ISO 2857 - 1973 CLASS 2 | |
| METRIC LONG SERIES | ISO 2283 & ANSI | ISO 2857 - 1973 CLASS 2 | |
| METRIC | DIN 371 . DIN 374 / DIN 376 & ANSI | DIN 802 CLASS 6H | |
| UNC, UNF | ISO 529 & ANSI | ANSI B1.1 1982 2B | |
| BSW, BSF, BA, BSB | ISO 529 | BS 949: 1976 CLASS 2 | |
| BSP, BSPT | ISO 2284 | BS 949: 1976 1976-G SERIES | |
| NPS, NPT | ANSI 94.9 1979 | ANSI 94.9 1979 | |