AMC 2026 catalogue
Machining
Pipe Taps
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MACHINING
General Purpose Taper Pipe Taps
▪For cutting internal pipe threads
GNF385307
* Larger shank diameter.
Tap Thread Size List Number Tap Thread Type Tap Chamfer No. of Flutes Overall Length Brand
Bright (Uncoated) TiN Item
No.
Item
No.
1⁄16"-27 PTT NPT Taper 4 2 1⁄8 in Greenfield Threading GNF385307 — PTT NPTF Semi-Bottoming 4 2 1⁄8 in Greenfield Threading GNF385323 — PTT-TN NPTF Semi-Bottoming 4 2 1⁄8 in Greenfield Threading — GNF385329
1⁄8"-27
— NPT Taper 4 2 1⁄8 in Westward WSW5PXH0 — — NPT Taper 4 2 1⁄8 in Westward WSW5PXH1 * — 7320 NPT Taper 4 2.13 in Widia Gtd WID7320-11800 — 7320 NPT Taper 4 2.13 in Widia Gtd WID7320-11801 * — PTT NPT Taper 4 2 1⁄8 in Greenfield Threading GNF385331 — PTT NPTF Semi-Bottoming 4 2 1⁄8 in Greenfield Threading GNF385356 — PTT NPT Taper 4 2 1⁄8 in Greenfield Threading GNF385364 * — PTT NPTF Semi-Bottoming 4 2 1⁄8 in Greenfield Threading GNF385380 * — PTT-TN NPTF Semi-Bottoming 4 2 1⁄8 in Greenfield Threading — GNF385386
1⁄4"-18
— NPT Taper 4 2 7⁄16 in Westward WSW5PXH2 — 7320 NPT Taper 4 2.44 in Widia Gtd WID7320-11802 — PTT NPT Taper 4 2 7⁄16 in Greenfield Threading GNF385398 — PTT-TN NPTF Semi-Bottoming 4 2 7⁄16 in Greenfield Threading — GNF385410 PTT NPTF Semi-Bottoming 4 2 7⁄16 in Greenfield Threading GNF385413 —
3⁄8"-18
— NPT Taper 4 2 9⁄16 in Westward WSW5PXH3 — 7320 NPT Taper 4 2.56 in Widia Gtd WID7320-11803 — PTT NPT Taper 4 2 9⁄16 in Greenfield Threading GNF385422 — PTT-TN NPTF Semi-Bottoming 4 2 9⁄16 in Greenfield Threading — GNF385444 PTT NPTF Semi-Bottoming 4 2 9⁄16 in Greenfield Threading GNF385448 —
1⁄2"-14
7320 NPT Taper 4 3.13 in Widia Gtd WID7320-11804 — — NPT Taper 4 3 1⁄8 in Westward WSW5PXH4 — PTT NPT Taper 4 3 1⁄8 in Greenfield Threading GNF385455 — PTT NPTF Semi-Bottoming 4 3 1⁄8 in Greenfield Threading GNF385471 — PTT-TN NPTF Semi-Bottoming 4 3 1⁄8 in Greenfield Threading — GNF385477
3⁄4"-14
7320 NPT Taper 5 3.25 in Widia Gtd WID7320-11805 — — NPT Taper 5 3 1⁄4 in Westward WSW5PXH5 — PTT NPT Taper 5 3 1⁄4 in Greenfield Threading GNF385489 — PTT-TN NPTF Semi-Bottoming 5 3 1⁄4 in Greenfield Threading — GNF385501 PTT NPTF Semi-Bottoming 5 3 1⁄4 in Greenfield Threading GNF385505 — 1"-11 1⁄2 — NPT Taper 5 3 3⁄4 in Westward WSW5PXH6 — 1 1⁄4"-11 1⁄2 7320 NPT Taper 5 4 in Widia Gtd WID7320-11807 —
1 1⁄2 in-11 1⁄2 — NPT Taper 7 4 1⁄4 in Westward WSW5PXH8 — 7320 NPT Taper 7 4.25 in Widia Gtd WID7320-11808 —
1"-11 1⁄2
7320 NPT Taper 5 3.75 in Widia Gtd WID7320-11806 — PTT NPT Taper 5 3 3⁄4 in Greenfield Threading GNF385513 — PTT-TN NPTF Semi-Bottoming 5 3 3⁄4 in Greenfield Threading — GNF385536 PTT NPTF Semi-Bottoming 5 3 3⁄4 in Greenfield Threading GNF385539 — 1 1⁄4"-11 1⁄2 PTT NPT Semi-Bottoming 5 4 in Greenfield Threading GNF385547 — 1 1⁄2 in-11 1⁄2 PTT NPT Semi-Bottoming 7 4 1⁄4 in Greenfield Threading GNF385570 — 1 1⁄4"-11 1⁄2 0462 NPT Semi-Bottoming 5 4 in Cle-Line GNF462-64220 —
2"-11 1⁄2 7320 NPT Taper 7 4.5 in Widia Gtd WID7320-11809 — PTT NPT Semi-Bottoming 7 4 1⁄2 in Greenfield Threading GNF385604 — — NPT Taper 7 4 1⁄2 in Westward WSW5PXH9 —
CLE-LINE, GREENFIELD THREADING, WESTWARD, WIDIA GTD
Interrupted Thread Pipe Taps
GNF385737
Tap Thread Size List Number Tap Thread Type Tap Chamfer No. of Flutes Overall Length Brand
Bright (Uncoated)
Item
No.
1⁄8"-27 5319 NPT Taper 5 2 1⁄8 in Widia Gtd WID5319-16101 PTTI NPT Taper 5 2 1⁄8 in Greenfield Threading GNF385737 PTTI NPTF Semi-Bottoming 4 2 1⁄8 in Greenfield Threading GNF385752
1⁄4"-18 5319 NPT Taper 5 2.44 in Widia Gtd WID5319-16105 PTTI NPT Semi-Bottoming 4 2 7⁄16 in Greenfield Threading GNF385760 PTTI NPTF Semi-Bottoming 4 2 7⁄16 in Greenfield Threading GNF385786
3⁄8"-18 5319 NPT Taper 5 2 9⁄16 in Widia Gtd WID5319-16107 PTTI NPT Taper 5 2 9⁄16 in Greenfield Threading GNF385794 PTTI NPTF Semi-Bottoming 4 2 9⁄16 in Greenfield Threading GNF385810
1⁄2"-14 5319 NPT Taper 5 3 1⁄8 in Widia Gtd WID5319-16109 PTTI NPT Semi-Bottoming 4 3 1⁄8 in Greenfield Threading GNF385828 PTTI NPTF Semi-Bottoming 4 3 1⁄8 in Greenfield Threading GNF385844
3⁄4"-14 5319 NPT Taper 5 3 1⁄4 in Widia Gtd WID5319-16111 PTTI NPT Semi-Bottoming 5 3 1⁄4 in Greenfield Threading GNF385851 PTTI NPTF Semi-Bottoming 5 3 1⁄4 in Greenfield Threading GNF385877 1"-11 1⁄2 5319 NPT Taper 5 3 3⁄4 in Widia Gtd WID5319-16113 1 1⁄4"-11 1⁄2 5319 NPT Taper 5 4 in Widia Gtd WID5319-16115 1 1⁄2"-11 1⁄2 5319 NPT Taper 7 4 1⁄4 in Widia Gtd WID5319-16117 1"-11 1⁄2 PTTI NPT Semi-Bottoming 5 3 3⁄4 in Greenfield Threading GNF385885
GREENFIELD THREADING, WIDIA GTD