Gages are Made to ANSI/ASME B1.20.1 (1983)
The small end of the ring gage is required to be flush with the small end of the pipe within a tolerance of plus or minus one turn.
- Click HERE for Pitch Diameter Chart
Pipe Thread Ring Gages - NPT - NPTF - ANPT
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THREAD SIZE:
NPT, NPTF or ANPT:
Material:
| Item No. | THREAD SIZE | NPT, NPTF or ANPT | Material | Our Price | QTY |
|---|---|---|---|---|---|
| A-R1/16NPT - L1 | 1/16" - 27 | NPT - L1 NPT Basic | Hardened Steel | $197.00 | |
| H-R1/16NPT - L1 | 1/16" - 27 | NPT - L1 NPT Basic | Chrome Plated | $325.00 | |
| H-R-1/16NPTF - L1 | 1/16" - 27 | NPTF - L1 Basic | Chrome Plated | $347.00 | |
| A-R-1/16NPTF - L1 | 1/16" - 27 | NPTF - L1 Basic | Hardened Steel | $198.00 | |
| A-R1/16NPTF - L2 | 1/16" - 27 | NPTF - L2 Basic | Hardened Steel | $304.00 | |
| H-R1/16NPTF - L2 | 1/16" - 27 | NPTF - L2 Basic | Chrome Plated | $482.00 | |
| H-R1/16NPTF 6 Step | 1/16" - 27 | NPTF 6 Step Crest Check | Chrome Plated | $565.00 | |
| A-R1/16NPTF 6 Step | 1/16" - 27 | NPTF 6 Step Crest Check | Hardened Steel | $353.00 | |
| A-R1/16ANPT - L1 | 1/16" - 27 | ANPT - L1 Basic | Hardened Steel | $245.00 | |
| H-R1/16ANPT - L1 | 1/16" - 27 | ANPT - L1 Basic | Chrome Plated | $347.00 | |
| H-R1/16ANPT - L2 | 1/16" - 27 | ANPT - L2 Basic | Chrome Plated | $482.00 | |
| A-R1/16ANPT - L2 | 1/16" - 27 | ANPT - L2 Basic | Hardened Steel | $299.00 | |
| A-R1/16ANPT 6 Step | 1/16" - 27 | ANPT - 6 Step Crest Check | Hardened Steel | $377.00 | |
| H-R1/16ANPT 6 Step | 1/16" - 27 | ANPT - 6 Step Crest Check | Chrome Plated | $565.00 | |
| A-R1/8NPT-L1 | 1/8" - 27 | NPT - L1 NPT Basic | Hardened Steel | $137.00 | |
| H-R1/8NPT-L1 | 1/8" - 27 | NPT - L1 NPT Basic | Chrome Plated | $232.00 | |
| H-R1/8NPTF-L1 | 1/8" - 27 | NPTF - L1 Basic | Chrome Plated | $255.00 | |
| A-R1/8NPTF-L1 | 1/8" - 27 | NPTF - L1 Basic | Hardened Steel | $125.00 | |
| A-R1/8NPTF-L2 | 1/8" - 27 | NPTF - L2 Basic | Hardened Steel | $279.00 | |
| H-R1/8NPTF-L2 | 1/8" - 27 | NPTF - L2 Basic | Chrome Plated | $472.00 | |
| H-R1/16ANPT 6Step | 1/8" - 27 | NPTF 6 Step Crest Check | Chrome Plated | $565.00 | |
| A-R1/16ANPT 6Step | 1/8" - 27 | NPTF 6 Step Crest Check | Hardened Steel | $353.00 | |
| A-R1/8ANPT-L1 | 1/8" - 27 | ANPT - L1 Basic | Hardened Steel | $172.00 | |
| H-R1/8ANPT-L1 | 1/8" - 27 | ANPT - L1 Basic | Chrome Plated | $255.00 | |
| H-R1/8ANPT-L2 | 1/8" - 27 | ANPT - L2 Basic | Chrome Plated | $472.00 | |
| A-R1/8ANPT-L2 | 1/8" - 27 | ANPT - L2 Basic | Hardened Steel | $269.00 | |
| A-R1/8ANPT-6Step | 1/8" - 27 | ANPT - 6 Step Crest Check | Hardened Steel | $377.00 | |
| H-R1/8ANPT-6Step | 1/8" - 27 | ANPT - 6 Step Crest Check | Chrome Plated | $565.00 | |
| H-R1/4NPT-L1 | 1/4" - 18 | NPT - L1 NPT Basic | Chrome Plated | $252.00 | |
| A-R1/4NPT-L1 | 1/4" - 18 | NPT - L1 NPT Basic | Hardened Steel | $146.00 | |
| A-R1/4NPTF-L1 | 1/4" - 18 | NPTF - L1 Basic | Hardened Steel | $160.00 | |
| H-R1/4NPTF-L1 | 1/4" - 18 | NPTF - L1 Basic | Chrome Plated | $282.00 | |
| H-R1/4NPTF-L2 | 1/4" - 18 | NPTF - L2 Basic | Chrome Plated | $482.00 | |
| A-R1/4NPTF-L2 | 1/4" - 18 | NPTF - L2 Basic | Hardened Steel | $300.00 | |
| A-R1/4NPTF-6Step | 1/4" - 18 | NPTF 6 Step Crest Check | Hardened Steel | $353.00 | |
| H-R1/4NPTF-6Step | 1/4" - 18 | NPTF 6 Step Crest Check | Chrome Plated | $565.00 | |
| H-R1/4ANPT-L1 | 1/4" - 18 | ANPT - L1 Basic | Chrome Plated | $282.00 | |
| A-R1/4ANPT-L1 | 1/4" - 18 | ANPT - L1 Basic | Hardened Steel | $209.00 | |
| A-R1/4ANPT-L2 | 1/4" - 18 | ANPT - L2 Basic | Hardened Steel | $286.00 | |
| H-R1/4ANPT-L2 | 1/4" - 18 | ANPT - L2 Basic | Chrome Plated | $482.00 | |
| H-R1/4-18NPT 6Step | 1/4" - 18 | ANPT - 6 Step Crest Check | Chrome Plated | $565.00 | |
| A-R1/4-18NPT 6Step | 1/4" - 18 | ANPT - 6 Step Crest Check | Hardened Steel | $377.00 | |
| A-R3/8NPT -L1 | 3/8" - 18 | NPT - L1 NPT Basic | Hardened Steel | $167.00 | |
| H-R3/8NPT -L1 | 3/8" - 18 | NPT - L1 NPT Basic | Chrome Plated | $282.00 | |
| H-R3/8NPTF -L1 | 3/8" - 18 | NPTF - L1 Basic | Chrome Plated | $300.00 | |
| A-R3/8NPTF -L1 | 3/8" - 18 | NPTF - L1 Basic | Hardened Steel | $158.00 | |
| A-R3/8NPTF - L2 | 3/8" - 18 | NPTF - L2 Basic | Hardened Steel | $294.00 | |
| H-R3/8NPTF - L2 | 3/8" - 18 | NPTF - L2 Basic | Chrome Plated | $514.00 | |
| H-R3/8NPTF 6 Step | 3/8" - 18 | NPTF 6 Step Crest Check | Chrome Plated | $565.00 | |
| A-R3/8NPTF 6 Step | 3/8" - 18 | NPTF 6 Step Crest Check | Hardened Steel | $344.00 | |
| A-R3/8ANPT - L1 | 3/8" - 18 | ANPT - L1 Basic | Hardened Steel | $224.00 | |
| H-R3/8ANPT - L1 | 3/8" - 18 | ANPT - L1 Basic | Chrome Plated | $300.00 | |
| H-R3/8ANPT - L2 | 3/8" - 18 | ANPT - L2 Basic | Chrome Plated | $514.00 | |
| A-R3/8ANPT - L2 | 3/8" - 18 | ANPT - L2 Basic | Hardened Steel | $291.00 | |
| A-R3/8ANPT 6 Step | 3/8" - 18 | ANPT - 6 Step Crest Check | Hardened Steel | $377.00 | |
| H-R3/8ANPT 6 Step | 3/8" - 18 | ANPT - 6 Step Crest Check | Chrome Plated | $565.00 | |
| H-R1/2NPT L1 | 1/2" - 14 | NPT - L1 NPT Basic | Chrome Plated | $314.00 | |
| A-R1/2NPT L1 | 1/2" - 14 | NPT - L1 NPT Basic | Hardened Steel | $186.00 | |
| A-R1/2NPTF L1 | 1/2" - 14 | NPTF - L1 Basic | Hardened Steel | $186.00 | |
| H-R1/2NPTF L1 | 1/2" - 14 | NPTF - L1 Basic | Chrome Plated | $319.00 | |
| H-R1/2NPTF L2 | 1/2" - 14 | NPTF - L2 Basic | Chrome Plated | $524.00 | |
| A-R1/2NPTF L2 | 1/2" - 14 | NPTF - L2 Basic | Hardened Steel | $306.00 | |
| A-R1/2NPTF 6 Step | 1/2" - 14 | NPTF 6 Step Crest Check | Hardened Steel | $344.00 | |
| H-R1/2NPTF 6 Step | 1/2" - 14 | NPTF 6 Step Crest Check | Chrome Plated | $565.00 | |
| H-R1/2ANPT -L1 | 1/2" - 14 | ANPT - L1 Basic | Chrome Plated | $318.00 | |
| A-R1/2ANPT -L1 | 1/2" - 14 | ANPT - L1 Basic | Hardened Steel | $215.00 | |
| A-R1/2ANPT - L2 | 1/2" - 14 | ANPT - L2 Basic | Hardened Steel | $302.00 | |
| H-R1/2ANPT - L2 | 1/2" - 14 | ANPT - L2 Basic | Chrome Plated | $524.00 | |
| H-R1/2ANPT 6 Step | 1/2" - 14 | ANPT - 6 Step Crest Check | Chrome Plated | $565.00 | |
| A-R1/2ANPT 6 Step | 1/2" - 14 | ANPT - 6 Step Crest Check | Hardened Steel | $377.00 | |
| A-R3/4NPT - L1 | 3/4" - 14 | NPT - L1 NPT Basic | Hardened Steel | $218.00 | |
| H-R3/4NPT - L1 | 3/4" - 14 | NPT - L1 NPT Basic | Chrome Plated | $357.00 | |
| H-R3/4NPTF - L1 | 3/4" - 14 | NPTF - L1 Basic | Chrome Plated | $373.00 | |
| A-R3/4NPTF - L1 | 3/4" - 14 | NPTF - L1 Basic | Hardened Steel | $207.00 | |
| A-R3/4NPTF - L2 | 3/4" - 14 | NPTF - L2 Basic | Hardened Steel | $341.00 | |
| H-R3/4NPTF - L2 | 3/4" - 14 | NPTF - L2 Basic | Chrome Plated | $587.00 | |
| H-R3/4NPTF 6 Step | 3/4" - 14 | NPTF 6 Step Crest Check | Chrome Plated | $628.00 | |
| A-R3/4NPTF 6 Step | 3/4" - 14 | NPTF 6 Step Crest Check | Hardened Steel | $390.00 | |
| A-R3/4ANPT - L1 | 3/4" - 14 | ANPT - L1 Basic | Hardened Steel | $234.00 | |
| H-R3/4ANPT - L1 | 3/4" - 14 | ANPT - L1 Basic | Chrome Plated | $373.00 | |
| H-R3/4ANPT - L2 | 3/4" - 14 | ANPT - L2 Basic | Chrome Plated | $587.00 | |
| A-R3/4ANPT - L2 | 3/4" - 14 | ANPT - L2 Basic | Hardened Steel | $316.00 | |
| A-R3/4ANPT 6 Step | 3/4" - 14 | ANPT - 6 Step Crest Check | Hardened Steel | $420.00 | |
| H-R3/4ANPT 6 Step | 3/4" - 14 | ANPT - 6 Step Crest Check | Chrome Plated | $628.00 | |
| H-R1NPT L1 | 1" - 11 1/2 | NPT - L1 NPT Basic | Chrome Plated | $408.00 | |
| A-R1NPT L1 | 1" - 11 1/2 | NPT - L1 NPT Basic | Hardened Steel | $252.00 | |
| A-R1NPTF L1 | 1" - 11 1/2 | NPTF - L1 Basic | Hardened Steel | $246.00 | |
| H-R1NPTF L1 | 1" - 11 1/2 | NPTF - L1 Basic | Chrome Plated | $419.00 | |
| H-R1NPTF L-2 | 1" - 11 1/2 | NPTF - L2 Basic | Chrome Plated | $628.00 | |
| A-R1NPTF L-2 | 1" - 11 1/2 | NPTF - L2 Basic | Hardened Steel | $364.00 | |
| A-R1NPTF 6 Step | 1" - 11 1/2 | NPTF 6 Step Crest Check | Hardened Steel | $424.00 | |
| H-R1NPTF 6 Step | 1" - 11 1/2 | NPTF 6 Step Crest Check | Chrome Plated | $655.00 | |
| H-R1ANPT - L1 | 1" - 11 1/2 | ANPT - L1 Basic | Chrome Plated | $419.00 | |
| A-R1ANPT - L1 | 1" - 11 1/2 | ANPT - L1 Basic | Hardened Steel | $264.00 | |
| A-R1ANPT -L2 | 1" - 11 1/2 | ANPT - L2 Basic | Hardened Steel | $316.00 | |
| H-R1ANPT -L2 | 1" - 11 1/2 | ANPT - L2 Basic | Chrome Plated | $628.00 | |
| H-R1ANPT 6 Step | 1" - 11 1/2 | ANPT - 6 Step Crest Check | Chrome Plated | $655.00 | |
| A-R1ANPT 6 Step | 1" - 11 1/2 | ANPT - 6 Step Crest Check | Hardened Steel | $420.00 | |
| A-R1-1/4NPT - L1 | 1 1/4" - 11 1/2 | NPT - L1 NPT Basic | Hardened Steel | $260.00 | |
| H-R1-1/4NPT - L1 | 1 1/4" - 11 1/2 | NPT - L1 NPT Basic | Chrome Plated | $430.00 | |
| H-R1-1/4NPTF - L1 | 1 1/4" - 11 1/2 | NPTF - L1 Basic | Chrome Plated | $446.00 | |
| A-R1-1/4NPTF - L1 | 1 1/4" - 11 1/2 | NPTF - L1 Basic | Hardened Steel | $234.00 | |
| A-R1-1/4NPTF - L2 | 1 1/4" - 11 1/2 | NPTF - L2 Basic | Hardened Steel | $384.00 | |
| H-R1-1/4NPTF - L2 | 1 1/4" - 11 1/2 | NPTF - L2 Basic | Chrome Plated | $680.00 | |
| H-R1-1/4NPTF 6 Step | 1 1/4" - 11 1/2 | NPTF 6 Step Crest Check | Chrome Plated | $709.00 | |
| A-R1-1/4NPTF 6 Step | 1 1/4" - 11 1/2 | NPTF 6 Step Crest Check | Hardened Steel | $424.00 | |
| A-R1-1/4ANPT - L3 | 1 1/4" - 11 1/2 | ANPT - L1 Basic | Hardened Steel | $270.00 | |
| H-R1-1/4ANPT - L3 | 1 1/4" - 11 1/2 | ANPT - L1 Basic | Chrome Plated | $446.00 | |
| H-R1-1/4ANPT - L2 | 1 1/4" - 11 1/2 | ANPT - L2 Basic | Chrome Plated | $680.00 | |
| A-R1-1/4ANPT - L2 | 1 1/4" - 11 1/2 | ANPT - L2 Basic | Hardened Steel | $341.00 | |
| A-R1-1/4ANPT 6 Step | 1 1/4" - 11 1/2 | ANPT - 6 Step Crest Check | Hardened Steel | $380.00 | |
| H-R1-1/4ANPT 6 Step | 1 1/4" - 11 1/2 | ANPT - 6 Step Crest Check | Chrome Plated | $709.00 | |
| H-R1-1/2NPT L1 | 1 1/2" - 11 1/2 | NPT - L1 NPT Basic | Chrome Plated | $524.00 | |
| A-R1-1/2NPT L1 | 1 1/2" - 11 1/2 | NPT - L1 NPT Basic | Hardened Steel | $327.00 | |
| A-R1-1/2NPTF L1 | 1 1/2" - 11 1/2 | NPTF - L1 Basic | Hardened Steel | $309.00 | |
| H-R1-1/2NPTF L1 | 1 1/2" - 11 1/2 | NPTF - L1 Basic | Chrome Plated | $546.00 | |
| H-R1-1/2NPTF L2 | 1 1/2" - 11 1/2 | NPTF - L2 Basic | Chrome Plated | $764.00 | |
| A-R1-1/2NPTF L2 | 1 1/2" - 11 1/2 | NPTF - L2 Basic | Hardened Steel | $420.00 | |
| A-R1-1/2NPTF 6 Step | 1 1/2" - 11 1/2 | NPTF 6 Step Crest Check | Hardened Steel | $507.00 | |
| H-R1-1/2NPTF 6 Step | 1 1/2" - 11 1/2 | NPTF 6 Step Crest Check | Chrome Plated | $782.00 | |
| H-R1-1/2ANPT -L1 | 1 1/2" - 11 1/2 | ANPT - L1 Basic | Chrome Plated | $546.00 | |
| A-R1-1/2ANPT -L1 | 1 1/2" - 11 1/2 | ANPT - L1 Basic | Hardened Steel | $323.00 | |
| A-R1-1/2ANPT - L2 | 1 1/2" - 11 1/2 | ANPT - L2 Basic | Hardened Steel | $396.00 | |
| H-R1-1/2ANPT - L2 | 1 1/2" - 11 1/2 | ANPT - L2 Basic | Chrome Plated | $764.00 | |
| H-R1-1/2ANPT 6 Step | 1 1/2" - 11 1/2 | ANPT - 6 Step Crest Check | Chrome Plated | $782.00 | |
| A-R1-1/2ANPT 6 Step | 1 1/2" - 11 1/2 | ANPT - 6 Step Crest Check | Hardened Steel | $465.00 | |
| A-R2NPT L1 | 2" 11 1/2 | NPT - L1 NPT Basic | Hardened Steel | $380.00 | |
| H-R2NPT L1 | 2" 11 1/2 | NPT - L1 NPT Basic | Chrome Plated | $628.00 | |
| H-R2NPTF L1 | 2" 11 1/2 | NPTF - L1 Basic | Chrome Plated | $655.00 | |
| A-R2NPTF L1 | 2" 11 1/2 | NPTF - L1 Basic | Hardened Steel | $472.00 | |
| A-R2NPTF L2 | 2" 11 1/2 | NPTF - L2 Basic | Hardened Steel | $472.00 | |
| H-R2NPTF L2 | 2" 11 1/2 | NPTF - L2 Basic | Chrome Plated | $842.00 | |
| H-R2NPTF 6 Step | 2" 11 1/2 | NPTF 6 Step Crest Check | Chrome Plated | $900.00 | |
| A-R2NPTF 6 Step | 2" 11 1/2 | NPTF 6 Step Crest Check | Hardened Steel | $539.00 | |
| A-R2ANPT - L1 | 2" 11 1/2 | ANPT - L1 Basic | Hardened Steel | $489.00 | |
| A-R2ANPT - L2 | 2" 11 1/2 | ANPT - L2 Basic | Hardened Steel | $419.00 | |
| A-R2ANPT 6 Step | 2" 11 1/2 | ANPT - 6 Step Crest Check | Hardened Steel | $531.00 | |
| H-R2-1/2NPT L1 | 2 1/2" - 8 | NPT - L1 NPT Basic | Chrome Plated | $743.00 | |
| A-R2-1/2NPT L1 | 2 1/2" - 8 | NPT - L1 NPT Basic | Hardened Steel | $444.00 | |
| A-R2-1/2NPTF L1 | 2 1/2" - 8 | NPTF - L1 Basic | Hardened Steel | $494.00 | |
| H-R2-1/2NPTF L1 | 2 1/2" - 8 | NPTF - L1 Basic | Chrome Plated | $773.00 | |
| H-R2-1/2NPTF L2 | 2 1/2" - 8 | NPTF - L2 Basic | Chrome Plated | $1,057.00 | |
| A-R2-1/2NPTF L2 | 2 1/2" - 8 | NPTF - L2 Basic | Hardened Steel | $564.00 | |
| A-R2-1/2NPTF 6 Step | 2 1/2" - 8 | NPTF 6 Step Crest Check | Hardened Steel | $614.00 | |
| H-R2-1/2NPTF 6 Step | 2 1/2" - 8 | NPTF 6 Step Crest Check | Chrome Plated | $1,073.00 | |
| A-R2-1/2ANPT - L1 | 2 1/2" - 8 | ANPT - L1 Basic | Hardened Steel | $512.00 | |
| A-R2-1/2ANPT -L2 | 2 1/2" - 8 | ANPT - L2 Basic | Hardened Steel | $507.00 | |
| A-R2-1/2ANPT 6 Step | 2 1/2" - 8 | ANPT - 6 Step Crest Check | Hardened Steel | $621.00 | |
| A-R3NPT L1 | 3" - 8 | NPT - L1 NPT Basic | Hardened Steel | $572.00 | |
| H-R3NPT L1 | 3" - 8 | NPT - L1 NPT Basic | Chrome Plated | $901.00 | |
| H-R3NPTF L1 | 3" - 8 | NPTF - L1 Basic | Chrome Plated | $974.00 | |
| A-R3NPTF L1 | 3" - 8 | NPTF - L1 Basic | Hardened Steel | $533.00 | |
| A-R3NPTF L2 | 3" - 8 | NPTF - L2 Basic | Hardened Steel | $659.00 | |
| H-R3NPTF L2 | 3" - 8 | NPTF - L2 Basic | Chrome Plated | $1,229.00 | |
| H-R3NPTF 6 Step | 3" - 8 | NPTF 6 Step Crest Check | Chrome Plated | $1,302.00 | |
| A-R3NPTF 6 Step | 3" - 8 | NPTF 6 Step Crest Check | Hardened Steel | $753.00 | |
| A-R3ANPT - L1 | 3" - 8 | ANPT - L1 Basic | Hardened Steel | $540.00 | |
| A-R3ANPT - L2 | 3" - 8 | ANPT - L2 Basic | Hardened Steel | $585.00 | |
| A-R3ANPT 6 Step | 3" - 8 | ANPT - 6 Step Crest Check | Hardened Steel | $720.00 |
Technical Specs:
