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Thread Size
For Use With
Height
Thickness
Export Control Classification Number (ECCN)
Color
DFARS Specialty Metals
Pipe Thread Identifiers
Check external NPT thread size and taper.
| For Thread Type | For Thread Location | For Pipe Size | Wd. | Ht. | Thick. | Color | Each | |
Aluminum | ||||||||
|---|---|---|---|---|---|---|---|---|
| NPT | External | 1/16, 1/8, 1/4, 3/8, 1/2 | 2" | 3" | 1/4" | Blue | 000000 | 000000 |
Grease Fitting Size Identifiers
Take the guesswork out of determining the thread type and size of a grease fitting. Screw the shank of a grease fitting into the labeled holes of these identifiers until you find the one that fits.
| For Thread Type | For Thread Location | For Thread Size | For Screw Size | For Pipe Size | Wd. | Ht. | Thick. | Each | |
Inch, Metric | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Aluminum | |||||||||
| NPT, SAE-LT, BSW, UNF, BSPT, BSF, Metric | External | 3/16"-32, 1/4"-20, 1/4"-26, 1/4"-28, 5/16"-18, 5/16"-22, 5/16"-24, 3/8"-20, 3/8"-24, 1/2"-12, M6 × 0.75 mm, M6 × 1 mm, M8 × 1 mm, M8 × 1.25 mm, M10 × 1 mm, M10 × 1.5 mm | 1/8", 1/4" | 1/8, 1/4, 3/8 | 8 1/2" | 3" | 1/4" | 0000000 | 000000 |
Thread Gauges for Lug Nuts
Identify the most common bolt thread sizes.
| For Thread Size | For Thread Location | Material | Each | |
| 7/16"-20 1/2"-20 9/16"-18 M12 × 1.25 mm M12 × 1.5 mm M12 × 1.75 mm M14 × 1.25 mm M14 × 1.5 mm M14 × 2 mm M16 × 1.5 mm | External, Internal | Aluminum | 00000000 | 000000 |