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Thread cutting tools 237

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Through-hole machine tap

Design: HSS-E, DIN 2184-1, tolerance range 2B, type N, with spiral point form B (4-5 threads). Application: For UNF thread, unified fine thread, ANSI B1.1. Particularly suitable for general steels, construction steels, machining steels, case-hardening steels and tempered steels.

Tol. 2B

Type N

DIN 2184-1

UNF

HSS-E

60°

4–5

Cutting Tools 1

≤ 3xd

B

steam

Steels up to 850 N/mm 2

Steels up to 1000 N/mm 2

Steels up to 1400 N/mm 2

Hard machining over 60 HRC

Ti steels, Ti alloys, special steels

Stainless and acid- resistant steels (INOX)

Steels up to 42 HRC

Steels up to 52 HRC

Steels up to 56 HRC

Steels up to 60 HRC

Copper, brass, bronze

Cast iron materials

Al, Al and Mg alloys

Order No. 1748

12

12

17

8

1748

Thread

Order No.

Threads

Thread ∅

Total length

Shank ∅

Square shank

Core hole ∅

inch

per inch

mm

mm 70 80 80 90 100 125 140

mm 3.5 4.0 4.5 7.0 12.0 18.0 18.0

mm 2.7 3.0 3.4 5.5 9.0 14.5 14.5

mm

steam

0001 0003 0005 0009 0015 0019 0021

UNF No.10 UNF No.12

41.30 46.30 51.20 55.60 94.40

32 28 28 24 18 14 12

4.826 5.486 6.350 9.525 15.875 22.225 25.400

4.10 4.60 5.50 8.50 14.50 20.40 23.25

UNF 1/4 UNF 3/8 UNF 5/8 UNF 7/8

145.50 150.50

UNF 1

(W165)

Blind hole machine tap

Design: HSS-E, DIN 2184-1, tolerance range 2B, type N, with point form C (2–3 threads). Application: For UNF thread, unified fine thread, ANSI B1.1. Particularly suitable for general steels, construction steels, machining steels, case-hardening steels and tempered steels.

DIN 2184-1

Tol. 2B

Type N

UNF

HSS-E

60°

2–3

≤ 3xd

40°

C

steam

Steels up to 850 N/mm 2

Steels up to 1000 N/mm 2

Steels up to 1400 N/mm 2

Hard machining over 60 HRC

Ti steels, Ti alloys, special steels

Stainless and acid- resistant steels (INOX)

Steels up to 42 HRC

Steels up to 52 HRC

Steels up to 56 HRC

Steels up to 60 HRC

Copper, brass, bronze

Cast iron materials

Al, Al and Mg alloys

Order No. 1749

12

12

17

1749

Thread

Order No.

Threads

Thread ∅

Total length

Shank ∅

Square shank

Core hole ∅

inch

per inch

mm

mm 70 80 90 90 100 100 100 125 140

mm 3.5 4.5 6.0 7.0 8.0 9.0 12.0 18.0 18.0

mm 2.7 3.4 4.9 5.5 6.2 7.0 9.0 14.5 14.5

mm

steam

0001 0005 0007 0009 0011 0013 0017 0021 0023

UNF No.10 UNF 1/4 UNF 5/16 UNF 3/8 UNF 7/16 UNF 1/2 UNF 5/8 UNF 7/8

36.40 43.20 44.50 46.90 61.10 71.60 96.30

32 28 24 24 20 20 18 14 12

4.826 6.350 7.938 9.525 11.113 12.700 15.875 22.225 25.400

4.10 5.50 6.90 8.50 9.90 11.50 14.50 20.40 23.25

158.00 201.50

UNF 1

(W165)

1/219

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