AMPC-E_US-EN

NPT

THREADING | Solid Carbide and Indexable Thread Mills

Solid Carbide Thread Mills NPT | Noncoolant

A

Internal

30° 30°

DRILLING

90°

1° 47’

L 1

External

L 6

D 2

D 1

B

NPT | Noncoolant

BORING

Thread Mill

Part No.

TPI (Pitch)

Min Thread Ø

D 1

D 2

L 6

L 1

Flutes

ThreadMills USA™

AccuThread® 856 TMNK0063-NPT HDTMNK0125-NPT TMNK0250-NPT HDTMNK0250-NPT TMNK0500-NPT HDTMNK0750-NPT TMNK1000-NPT HDTMNK1000-NPT TMNK2500-NPT

TM27NPT

27 27 18 18 14 14

1/16 and 1/8

3 4 4 4 4 4 4 5 4 3 4 4 4 4 4 4 5 5

0.245 0.300 0.305 0.363 0.495 0.620 0.620 0.745 0.745

0.250 0.312 0.312 0.375 0.500 0.625 0.625 0.750 0.750

0.437 0.482 0.625 0.680 0.875 1.000 1.125 1.219 1.500 11.30 12.25 15.70 17.25 23.70 25.40 28.75 30.95 38.10

2.500 3.000 3.000 3.500 3.500 4.000 4.000 4.000 5.000 58.00 64.00 64.00 84.00 84.00 93.00 93.00

HDTM27NPT

1/8

TM18NPT

1/4 and 3/8 1/4 and 3/8 1/2 and 3/4

HDTM18NPT

C

TM14NPT

HDTM14NPT

3/4

TM11NPT

11.5 11.5

1 1

REAMING

HDTM11NPT

TM8NPT

8

2-1/2

TM27NPTM

TMNK0063-NPTM

27 27 18 18 14 14

1/16 and 1/8

5.95 7.62 7.75 9.22

6.00 8.00 8.00

HDTM27NPTM

-

1/8

TM18NPTM

TMNK0250-NPTM

1/4 and 3/8 1/4 and 3/8 1/2 and 3/4

HDTM18NPTM

-

10.00 12.00 16.00 16.00 20.00 20.00

TM14NPTM

TMNK0500-NPTM

11.95 15.75 15.75 18.92 19.75

HDTM14NPTM

-

3/4

D

TM11NPTM

TMNK1000-NPTM

11.5 11.5

1 1

HDTM11NPTM

-

105.00 115.00

TM8NPTM

TMNK2500-NPTM

8

2-1/2

BURNISHING

E

THREADING

X

Weldon Flat

E: 52 - 55

E: 4

SPECIALS

To order a thread mill with a Weldon flat, replace the leading TM designator with TW (available for inch shanks 3/8 and above, or metric shanks 6 mm and above) Example: Cylindrical shank = TM NK0500-NPT | Weldon shank flat = TW NK0500-NPT NOTE: Weldon flats have a minimum order quantity of 2 pieces

Key on E: 1

= Imperial (in) = Metric (mm )

E: 12

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