AMPC-E_US-EN

IDX

THREADING | Solid Carbide and Indexable Thread Mills

Pin Style | UNJ AccuThread® 856 Thread Mill Inserts

A

T 1

L 6

DRILLING

Internal

5/16P

60°

UNJ Internal

R max 0.18042P R min 0.15011P

External

B

Insert

Part No.

UNJ Internal

L 6 inch

L 6 mm 25.40 25.40 38.10 25.40 38.10 25.40 38.10 25.40 38.10 25.40 38.10 38.10

T 1 inch

T 1 mm

TPI (Pitch)

BORING

TN100K-UNJ32I TN100K-UNJ24I TN150K-UNJ24I TN100K-UNJ20I TN150K-UNJ20I TN100K-UNJ18I TN150K-UNJ18I TN100K-UNJ16I TN150K-UNJ16I TN100K-UNJ12I TN150K-UNJ12I TN150K-UNJ8I

32 24 24 20 20 18 18 16 16 12 12

1.000 1.000 1.500 1.000 1.500 1.000 1.500 1.000 1.500 1.000 1.500 1.500

0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140

3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56

C

REAMING

8

T 1

L 6

Internal

5/16P

60°

UNJ External

D

R max 0.18042P R min 0.15011P

External

BURNISHING

Insert

Part No.

UNJ External

L 6 inch

L 6 mm 25.40 25.40 38.10 25.40 38.10 25.40 38.10 25.40 38.10 25.40 38.10 38.10

T 1 inch

T 1 mm

TPI (Pitch)

TN100K-UNJ32E TN100K-UNJ24E TN150K-UNJ24E TN100K-UNJ20E TN150K-UNJ20E TN100K-UNJ18E TN150K-UNJ18E TN100K-UNJ16E TN150K-UNJ16E TN100K-UNJ12E TN150K-UNJ12E TN150K-UNJ8E

32 24 24 20 20 18 18 16 16 12 12

1.000 1.000 1.500 1.000 1.500 1.000 1.500 1.000 1.500 1.000 1.500 1.500

0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140 0.140

3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56 3.56

E

THREADING

8

X

E: 60 - 63

E: 37

E: 50 - 51

SPECIALS

Key on E: 1

Inserts sold in quantities of 2

E: 48

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