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Thread cutting tools 181

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Overview - Machine thread drills

Cutting Tools 1

Thread type

MF

MF

MF

G

G

UNC

UNC

UNF

UNF

Colour ring

blue/red

blue/red

blue/red

blue/red

blue/red

blue/red

blue/red

blue/red

blue/red

Order No.

1794

1796

1797

1798

1799

1696

1697

1658

1659

M8 x 1,0– M24 x 2,0

M4 x 0,5– M20 x 1,5

M8 x 1,0– M24 x 2,0

Nr. 4–40"– 3/4–10"

Nr. 4–40"– 3/4–10"

Nr. 4–48"– 5/8–18"

Nr. 4–48"– 5/8–18"

Threaded section

G1/8–G1

G1/8–G1

For through threads

≤ 3 x D

≤ 3 x D

≤ 3 x D

≤ 3 x D

For blind holes

≤ 3 x D

≤ 3 x D

≤ 3 x D

≤ 3 x D

≤ 3 x D

Type/form

N

N

N

N

N

N

N

N

N

Material

HSS-E PM HSS-E

HSS-E PM HSS-E

HSS-E

HSS-E

HSS-E

HSS-E

HSS-E

Tolerance zone

ISO 2 6H

ISO 2 6H

ISO 2 6H

ISO 228

ISO 228

2 B

2 B

2 B

2 B

Surface

TiN

TiN

Bright

Bright

Bright

Bright

Bright

Bright

Bright

Page

1/211

1/212

1/212

1/214

1/214

1/217

1/217

1/220

1/220

Material group

Steels up to 850 N/mm 2 Steels up to 1000 N/mm 2 Steels up to 1400 N/mm 2

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

C

Steels up to 42 HRC

Steels up to 52 HRC

Steels up to 56 HRC

Steels up to 60 HRC

Hard processing over 60 HRC

Stainless and acid- resistant steels (INOX)

C

C

C

C

C

C

C

C

C

Ti steels, Ti alloys, special steels

C

C

C

C

Cast-iron materials

C

C

C

C

C

C

C

C

C

Al, Al- and Mg alloy

C

C

C

C

C

C

C

C

C

Copper, brass, bronze

C

C

C

C

C

C

C

C

C

C recommended

U suitable

V limited suitability

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