Cut Sheet

threading
4.28
See page 4.12
Pipe Dies for Machine Die Heads
Pipe Dies for use in Universal Die Heads (Models 504A, 711, 713, 811A, 815A, 816, 817 and 842)
Pipe Dies for use in British Universal Die Heads (Models 504A, 811A, 815A, 816, 817, 856, 911 and 913)
Conduit Dies for Universal Die Heads
Pipe Dies for use in Model 500A Mono Die Heads
Pipe Dies for Models 514 (LH), 515 (RH), 555 (RH), and
1
⁄2"-
3
⁄4" Dual Die Heads
Pipe Dies for
1
⁄4"-
3
⁄8" Dual Die Heads
(NPT) (NPSM)
Nominal Pipe Size-Threads Per Inch Nominal Pipe Size-Threads Per Inch
Die Material or Type
1
⁄8"-27
1
⁄4"-
3
⁄8"-18
1
⁄2"-
3
⁄4"-14 1"-2"-11
1
⁄2
1
⁄8"-27
1
⁄4"-
3
⁄8"-18
1
⁄2"-
3
⁄4"-14 1"-2"-11
1
⁄2
Alloy RH 47735 47740 47745 47750 ––––
High-Speed RH 47755 47760 47765 47770 47845 47850 47855 47860
High-Speed •LH 39587 47810 47815 47820 ––––
H.S. For Stainless Steel RH 47775 47780 47785 47790 ––––
H.S. For Cast Iron –––70740 ––––
H.S. For PVC RH ––70745 70750 ––––
H.S. For Plastic Coated Pipe RH ––50012 31822 ––––
•Requires left hand model die head.
Note: Use HS for PVC and RH for brass pipe.
(BSPT) (BSPP)
Nominal Pipe Size-Threads Per Inch Nominal Pipe Size-Threads Per Inch
Die Material or Type
1
⁄8"-28
1
⁄4"-
3
⁄8"-19
1
⁄2"-
3
⁄4"-14 1"-2"-11
1
⁄8"-28
1
⁄4"-
3
⁄8"-19
1
⁄2"-
3
⁄4"-14 1"-2"-11
Alloy RH *66655 *66660 *66665 *66670 ––––
High-Speed
RH *66750 *66755 *66760 *66765 *66795 *66800 *66805 *66810
H.S. For Stainless Steel RH *66770 *66775 *66780 *66785 –––*66830
H.S. For PVC RH ––*70755 *70760 ––––
H.S. For PE-Coated RH ––––––––
* Requires British model die head.
(ISO) (BEC)
Nominal Conduit Size – Pitch in mm Nominal Conduit Size – Threads Per Inch
Die Material or Type 16-32mm-1.5 40-63mm-1.5
1
⁄2"-
5
⁄8"-18
3
⁄4"-1
1
⁄4"-16 1
1
⁄2"-2
1
⁄2"-14
Alloy RH 50645 50650 66700 66705 66710
Nominal Pipe Size-Threads Per Inch (NPT)
Die Material or Type
1
⁄8"-27
1
⁄4"-18
3
⁄8"-18
1
⁄2"-14
3
⁄4"-14 1"-11
1
⁄2 1
1
⁄4"-11
1
⁄2 1
1
⁄2"-11
1
⁄2 2"-11
1
⁄2
(NPT)
High-Speed RH 50700 50705 50710 50715 50720 50725 50730 50735 50740
H.S. For Stainless Steel RH 50745 50750 50755 50760 50765 50770 50775 50780 50785
(NPSM)
High-Speed RH –––50895 50900 50905 50910 50915 50920
(NPT) Nominal Pipe-Threads Per Inch
Die Material or Type
1
⁄4"-
3
⁄8"-18 TPI
High-Speed RH 47940
(NPT) (BSPT)
Nominal Pipe Size-Threads Per Inch Nominal Pipe Size-Threads Per Inch
Die Material or Type
1
⁄8"-27
1
⁄4"-
3
⁄8"-18
1
⁄2"-
3
⁄4"-14
1
⁄4"-
3
⁄8"-19
1
⁄2"-
3
⁄4"-14
Alloy RH ––47880
66955 66880
High-Speed RH 47885 47890 47895 66905 23297
H.S. For Stainless Steel RH 47900 47905 47910 – 66920