SocketFinderUSA / sanggunian
Gabay sa Pipe Thread at Tap Drill
Hindi katumbas ng sukat ng panlabas na thread ang nominal na laki ng tubo. Sukatin ang diyametro, TPI at taper.
Hanapin ang tamang socket ↗60° ang NPT/NPTF; 55° Whitworth ang BSPT/BSPP. Hindi puwedeng pagpalitin ang NPT at BSP.
Gabay sa Pipe Thread at Tap Drill
60° ang NPT/NPTF; 55° Whitworth ang BSPT/BSPP. Hindi puwedeng pagpalitin ang NPT at BSP.
Ang NPTF ay siniselyuhan ng kontroladong interference; sundin ang gumawa ng tap. Kadalasang kailangan ng sealant ang NPT/BSPT; gasket o O-ring naman sa BSPP/G.
patulis · 60°
NPT
| socket · laki | thread · laki | TPI | ° | tap drill |
|---|---|---|---|---|
| 1/8 in. | 0.405 in. | 27 TPI | 60° | Q · 0.332 in. |
| 1/4 in. | 0.540 in. | 18 TPI | 60° | 7/16 in. |
| 3/8 in. | 0.675 in. | 18 TPI | 60° | 9/16 in. |
| 1/2 in. | 0.840 in. | 14 TPI | 60° | 45/64 in. |
patulis · 60°
NPTF
| socket · laki | thread · laki | TPI | ° | tap drill |
|---|---|---|---|---|
| 1/8 in. | 0.405 in. | 27 TPI | 60° | — |
| 1/4 in. | 0.540 in. | 18 TPI | 60° | — |
| 3/8 in. | 0.675 in. | 18 TPI | 60° | — |
| 1/2 in. | 0.840 in. | 14 TPI | 60° | — |
patulis · 55°
BSPT · R
| socket · laki | thread · laki | TPI | ° | tap drill |
|---|---|---|---|---|
| 1/8 in. | 0.383 in. | 28 TPI | 55° | 8.4 mm |
| 1/4 in. | 0.518 in. | 19 TPI | 55° | 11.2 mm |
| 3/8 in. | 0.656 in. | 19 TPI | 55° | 14.75 mm |
| 1/2 in. | 0.825 in. | 14 TPI | 55° | 18.25 mm |
magkaparalelo · 55°
BSPP · G
| socket · laki | thread · laki | TPI | ° | tap drill |
|---|---|---|---|---|
| 1/8 in. | 0.383 in. | 28 TPI | 55° | 8.8 mm |
| 1/4 in. | 0.518 in. | 19 TPI | 55° | 11.8 mm |
| 3/8 in. | 0.656 in. | 19 TPI | 55° | 15.25 mm |
| 1/2 in. | 0.825 in. | 14 TPI | 55° | 19.0 mm |
Panimulang laki lamang ng drill ito para sa cutting tap; suriin ang materyal at tagagawa.