Thread Milling Product Catalog

THREADING | Indexable Thread Mills

AccuThread® 856 Bolt-in Style Inserts

Internal

30° 30°

90°

1° 47’

External

E20

NPT Internal/External

Insert

Part No.

L 6

T 1

NPT Internal/External TP075K-NPT18 TP100K-NPT14

TPI (Pitch)

Metric (mm)

Imperial (in)

Metric (mm)

Imperial (in)

18 14

19.05 25.40

0.750 1.000

2.03 3.56

0.080 0.140

Internal

30° 30°

90°

1° 47’

External

NPTF Internal/External

Insert

Part No.

L 6

T 1

NPTF Internal/External TP075K-NPTF18 TP100K-NPTF14

TPI (Pitch)

Metric (mm)

Imperial (in)

Metric (mm)

Imperial (in)

18 14

19.05 25.40

0.750 1.000

2.03 3.56

0.080 0.140

E20: 3

E20: 19 - 22

E20: 10

Key on E20: 2

Inserts sold in quantities of 2.

E20: 5

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