
BSPT R 0.137P
27.5° 27.5° UN NUT
1/4P
BSPT I.C. I.C. UN I.C. I.C. 60°
B B B B
R 0.137P
A L A 1°47' 90° BSPT A L A
L SCREW L 1/8P UN
SCREW ANSI B1.1-1982
EXTERNAL RIGHT INTERNAL RIGHT B.S. 21: 1985 EXTERNAL RIGHT INTERNAL RIGHT
DIMENSIONS DIMENSIONS
DESIGNATION GRADE TPI CATALOG # DESIGNATION GRADE TPI CATALOG #
L mm I.C. A B L mm I.C. A B
EXTERNAL EXTERNAL
| BSPT11 ER16 | LT 10 | 11 | 16 | 9.525 | 1.1 | 1.5 | TH000138 | UN 10 ER16 | LT 10 | 10 | 16 | 9.525 | 1.1 | 1.5 | TH000161 |
| BSPT14 ER16 | LT 10 | 14 | 16 | 9.525 | 1.0 | 1.2 | TH000137 | UN 12 ER16 | LT 10 | 12 | 16 | 9.525 | 1.1 | 1.4 | TH000088 |
| BSPT19 ER16 | LT 10 | 19 | 16 | 9.525 | 0.8 | 0.9 | TH000136 | UN 13 ER16 | LT 10 | 13 | 16 | 9.525 | 1.0 | 1.3 | TH000163 |
| INTERNAL | UN 16 ER16 | LT 10 | 16 | 16 | 9.525 | 0.9 | 1.1 | TH000082 | |||||||
| BSPT11 IR16 | LT 10 | 11 | 16 | 9.525 | 1.1 | 1.5 | TH000141 | UN 20 ER16 | LT 10 | 20 | 16 | 9.525 | 0.8 | 0.9 | TH000076 |
| BSPT14 IR16 | LT 10 | 14 | 16 | 9.525 | 1.0 | 1.2 | TH000140 | UN 24 ER16 | LT 10 | 24 | 16 | 9.525 | 0.7 | 0.8 | TH000165 |
| BSPT19 IR16 | LT 10 | 19 | 16 | 9.525 | 0.8 | 0.9 | TH000139 | UN 32 ER16 | LT 10 | 32 | 16 | 9.525 | 0.6 | 0.6 | TH000166 |
| UN 5 ER22 | LT 10 | 5 | 22 | 12.70 | 1.7 | 2.4 | TH000186 | ||||||||
| UN 6 ER22 | LT 10 | 6 | 22 | 12.70 | 1.6 | 2.3 | TH000189 | ||||||||
| UN 7 ER22 | LT 10 | 7 | 22 | 12.70 | 1.6 | 2.3 | TH000190 |
INTERNAL
| UN 8 IR16 | LT 10 | 8 | 16 | 9.525 | 1.2 | 1.6 | TH000170 | |
| UN 9 IR16 | LT 10 | 9 | 16 | 9.525 | 1.2 | 1.7 | TH000171 | |
| NPT NUT | UN 10 IR16 | LT 10 | 10 | 16 | 9.525 | 1.1 | 1.5 | TH000172 |
30° 30°
NPT I.C. I.C. UN 11 IR16 LT 10 11 16 9.525 1.1 1.5 TH000173
B B
90° 1°47' NPT UN 11.5 IR16 LT 10 11.5 16 9.525 1.1 1.5 TH000174
A L L A SCREW
ANSI/ASME B UN 12 IR16 LT 10 12 16 9.525 0.8 0.9 TH000091
EXTERNAL RIGHT INTERNAL RIGHT 1.20.1-1983
| UN 13 IR16 | LT 10 | 13 | 16 | 9.525 | 1.0 | 1.3 | TH000175 | |
| UN 16 IR16 | LT 10 | 16 | 16 | 9.525 | 0.9 | 1.1 | TH000085 | |
| DIMENSIONS | UN 20 IR16 | LT 10 | 20 | 16 | 9.525 | 1.1 | 1.4 | TH000079 |
DESIGNATION GRADE TPI CATALOG #
| L mm | I.C. | A | B | UN 32 IR16 | LT 10 | 32 | 16 | 9.525 | 0.6 | 0.6 | TH000182 | ||||
| EXTERNAL | UN 6 IR22 | LT 10 | 6 | 22 | 12.70 | 1.6 | 2.3 | TH000196 | |||||||
| NPT 8 ER16 | LT 10 | 8 | 16 | 9.525 | 1.3 | 1.8 | TH000145 | UN 7 IR22 | LT 10 | 7 | 22 | 12.70 | 1.6 | 2.3 | TH000198 |
| NPT 11.5 ER16 | LT 10 | 11.5 | 16 | 9.525 | 1.1 | 1.5 | TH000144 | ||||||||
| NPT 14 ER16 | LT 10 | 14 | 16 | 9.525 | 0.9 | 1.2 | TH000143 | ||||||||
| NPT 18 ER16 | LT 10 | 18 | 16 | 9.525 | 0.8 | 1.0 | TH000142 |
INTERNAL
| NPT 8 IR16 | LT 10 | 8 | 16 | 9.525 | 1.3 | 1.8 | TH000148 |
| NPT 11.5 IR16 | LT 10 | 11.5 | 16 | 9.525 | 1.1 | 1.5 | TH000147 |
| NPT 14 IR16 | LT 10 | 14 | 16 | 9.525 | 0.9 | 1.2 | TH000146 |
| NPT 27 IR16 | LT 10 | 27 | 16 | 9.525 | 0.7 | 0.8 | TH000181 |