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Cutting Tools

1

Thread type

M

M

M-LH

MF

BSW

G

UNF

UNC

Colour ring

Order No.

1604

1618

1612

1627

1635

1640

1650

1647

Threaded section

M1–M30

M2–M20

M3–M20

M2–M52

W 1/8"–W 1"

G 1/8"–G 2"

Nr. 0–80"–

1–12"

Nr. 1–64"–

1–8"

For through threads

≤ 3 x D

≤ 3 x D

≤ 3 x D

≤ 3 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

≤ 3 x D

≤ 3 x D

≤ 3 x D

Type/form

N

INOX

N

N

N

N

N

N

Material

HSS

HSS-E

HSS

HSS

HSS

HSS

HSS

HSS

Tolerance zone

ISO 2 6H

ISO 2 6H

ISO 2 6H

ISO 2 6H

mittel

ISO 228/1

2 B

2 B

Surface

Bright

Bright

Bright

Bright

Bright

Bright

Bright

Bright

Page

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Steels

up to

850

N/mm

2

C

C

C

C

C

C

C

C

Steels

up to

1000

N/mm

2

C

C

C

C

C

C

C

C

Steels

up to

1400

N/mm

2

U

U

U

U

U

U

U

U

Steels

up to

42 HRC

V

V

V

V

V

V

V

V

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

C

U

U

U

U

U

U

Ti steels,

Ti alloys,

special

steels

V

V

V

V

V

V

V

V

Cast-iron

materials

U

U

U

U

U

U

U

U

Al, Al- and

Mg alloy

C

C

C

C

C

C

C

C

Copper,

brass,

bronze

C

C

C

C

C

C

C

C

Overview – Hand and machine thread taps

Material group

C

recommended

U

suitable

V

limited suitability

Thread cutting tools

170