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Thread cutting tools 176

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Overview - Machine thread drills

Cutting Tools 1

Thread type

M

M

M-LH

M-LH

M

MF

MF

MF

MF

MF

Colour ring

yellow

yellow

yellow

yellow

yellow

yellow

green

Order No.

1720

1721

1737

1724

1750

1753

1727

1755

1729

1736

Threaded section

M3–M10 M3–M10 M3–M20 M3–M20 M3–M20 M3–M30 M3–M30 M4–M30

M4–M24 M3–M30

For through threads

≤ 3 x D

≤ 1,5 x D

≤ 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

MS/C

H/C

N/B

N/C

N

N/B

N/B

NR 40/C

NR 40/C

N/B

Material

HSS-E Solid carbide

HSS-E

HSS-E

HSS-E

HSS-E

HSS-E

HSS-E

HSS-E

HSS-E

Tolerance zone

ISO 2 6G ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H ISO 2 6H

ISO 2 6H ISO 2 6H

Surface

TiN

TiN

Steam

Steam

Steam

Bright

Bright

Bright

Bright

Bright

Page

1/204

1/205

1/205

1/206

1/206

1/207

1/207

1/207

1/207

1/208

Material group

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

U

C

C

C

U

C

C

C

C

U

U

C

U

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)

U

Ti steels, Ti alloys, special steels

Cast-iron materials

C

C

C

Al, Al- and Mg alloy

C

C

C

U

C

C

Copper, brass, bronze

C

C

C recommended

U suitable

V limited suitability

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