Manual Threader Pipe & Bolt Dies

Manual Threader Pipe & Bolt Dies

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Ordering Information

Pipe Dies
OO-R, 11-R, 12-R, O-R, Ratchet Threaders or 30A, 31A 3-Way Pipe Threaders

Die Material or Type Catalog No.
Nominal Pipe Size – Threads Per Inch
1/8-27 1/4-18 3/8-18 1/2-14 3/4-14 1-11 1/2 1 1/4-1 1 1/2 1 1/2-11 1/2 2-11 1/2
(NPT) National Pipe Taper
Alloy RH 37810 37815 37820 37825 37830 37835 37840 37845 37850
High-Speed RH 37855 37860 37865 37870 37875 37880 37885 37890 37895
High-Speed LH - 38050 38055 38060 38065 38070 38075 38080 38085
H.S. For Stainless Steel RH 37900 37905 37910 37915 37920 37925 37930 37935 37940
H.S. For PVC RH - - 70685 70690 70695 70700 70705 70710 70715
HS Reversible RH* - - - 49707 49712 49717 49722 49727 -
(NPSM) National Pipe Straight Mechanical
Alloy RH 37945 37950 37955 37960 37965 37970 37975 37980 37985
(API) American Petroleum Institute***
High-Speed RH 70720 70725 70730
(BSPT) British Standard Pipe Taper**
1/8-28 1/4-19 3/8-19 1/2-14 3/4-14 1-11 1 1/4-11 1 1/2-11 2-11
Alloy RH 45848 45853 45858 45863 45868 45873 45878 45883 45888
High-Speed RH 66310 66315 66320 66325 66330 66335 66340 66345 66350
High-Speed LH 66405 66410 66415 66420 66425 66430 66435 - 66445
* HS Reversible RH - - 56337 56342 56347 56352 - - 56367
High Speed for Plastic Coated - - - 92482 92477 92487 92492 92497 92542
(BSPP) British Standard Pipe Parallel*
Alloy RH 66190 66195 66200 66205 66210 66215 66220 66225 66230

* Dies can be reversed in die head for close to wall threading.
** Requires British Die Head
*** Requires API Die Head





ISO International Standards Organization Nominal Conduit Size in mm – Thread Pitch in mm
20-1.5 25-1.5 32-1.5 40-1.5
Alloy RH 85830 76305 85835 76315

Requires 11-R ISO Die Head.



BEC British Electrical Conduit (1) Nominal Conduit Size – Threads Per Inch
1⁄2-18 5⁄8-18 3⁄4-16 1-16 1 1⁄4-16
Alloy RH 66155 66160 - - 66175

(1) Requires 11-R BEC Die Head.



Bolt Threaders Button Dies
Selection: Model OO-RB Ratchet Bolt Threaders, or 31B, 33B, 35B, 37B 3-Way Bolt Threaders

Die Material or Type Catalog No.
Rod Diameter – Threads Per Inch
(UNC) Unified National Course 1⁄4-20 5⁄16-18 3⁄8-16 7⁄16-14 1⁄2-13 9⁄16-12 5⁄8-11 3⁄4-10 7⁄8-9 1-8
Alloy RH 38335 38340 38345 38350 38355 38360 38365 38370 38375 38380
(UNF) Unified National Fine 1⁄4-28 5⁄16-24 3⁄8-24 7⁄16-20 1⁄2-20 9⁄16-18 5⁄8-18 3⁄4-16 7⁄8-14 1-12
Alloy RH 38385 38390 38395 38400 38405 38410 38415 38420 38425 15317