Thread Milling

NPS

THREADING | Solid Carbide and Indexable Thread Mills

Solid Carbide Thread Mills NPS

A

Internal

30° 30°

DRILLING

L 1

External

L 6

D 2

D 1

B

NPS | Non-Coolant

BORING

Thread Mill

Part No.

TPI (Pitch)

Min Thread Ø

Flutes

ThreadMills USA

D 1

D 2

L 6

L 1

TM27NPS TM18NPS TM14NPS TM11NPS

27 18 14

1/8

3 4 4 4 3 4 4 4

0.245 0.370 0.490 0.620

0.250 0.375 0.500 0.625

0.630 0.889 1.288 1.392 16.00 22.60 32.70 35.35

2.500 3.500 3.500 4.000 58.00 84.00 84.00 93.00

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

11.5

1

C

TM27NPSM TM18NPSM TM14NPSM TM11NPSM

27 18 14

1/8

5.95 9.40

6.00

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

10.00 12.00 16.00

11.94 15.75

REAMING

11.5

1

Internal

30° 30°

D

L 1

External

L 6

BURNISHING

D 2

D 1

NPS | Coolant Through

Thread Mill

Part No.

TPI (Pitch)

Min Thread Ø

Flutes

ThreadMills USA TM27NPSCH TM18NPSCH TM14NPSCH TM11NPSCH TM27NPSCHM TM18NPSCHM TM14NPSCHM TM11NPSCHM

D 1

D 2

L 6

L 1

E

27 18 14

1/8

3 4 4 4 3 4 4 4

0.245 0.370 0.490 0.620

0.250 0.375 0.500 0.625

0.630 0.889 1.288 1.392 16.00 22.60 32.70 35.35

2.375 3.000 3.500 4.000 58.00 84.00 84.00 93.00

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

THREADING

11.5

1

27 18 14

1/8

5.95 9.40

6.00

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

10.00 12.00 16.00

11.94 15.75

11.5

1

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 6mm 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: 16

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