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Thread cutting tools 233

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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). UNC No. 2–56 to 3/8–16 with reinforced shank, UNC 7/16–14 to 1–8 with overflow shank. Application: For UNC thread, unified coarse 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

UNC

HSS-E

60°

4–5

Cutting Tools 1

≤ 3xd

B

bright

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. 1768

10

15

1768

Thread

Order No.

Threads per inch

Thread ∅

Total length mm

Shank ∅

Square shank mm

Core hole ∅

inch

mm

mm

mm

bright

0001 0003 0005 0007 0009 0011 0013 0015 0017 0019 0021 0023 0025 0027 0029 0031 0033

UNC No.2 UNC No.3 UNC No.4 UNC No.5 UNC No.6 UNC No.8 UNC No.10 UNC No.12 UNC 1/4 UNC 5/16 UNC 3/8 UNC 7/16 UNC 1/2 UNC 5/8 UNC 3/4 UNC 7/8

24.40 20.50 18.05 17.15 16.70 16.15 18.05 20.50 18.45 21.20 24.10 29.80 32.40 42.20 54.70 68.10 89.00 (W164)

56 48 40 40 32 32 24 24 20 18 16 14 13 11 10

2.184 2.515 2.845 3.175 3.505 4.166 4.826 5.486 6.350 7.938 9.525

45 50 56 56 56 63 70 80 80 90 100 100 110 110 125 140 160

2.8 2.8 3.5 3.5 4.0 4.5 6.0 6.0 7.0 8.0 9.0 8.0 9.0

2.1 2.1 2.7 2.7 3.0 3.4 4.9 4.9 5.5 6.2 8.0 6.2 7.0 9.0

1.85 2.10 2.35 2.65 2.85 3.50 3.90 4.50 5.10 6.60 8.00 9.40

11.113 12.700 15.875 19.050 22.225 25.400

10.80 13.50 16.50 19.50 22.25

12.0 14.0 18.0 18.0

11.0 14.5 14.5

9 8

UNC 1

Blind hole machine tap

Design: HSS-E, DIN 2184-1, tolerance range 2B, type N, with point form C (2–3 threads). UNC No. 4–40 to 3/8–16 with reinforced shank, UNC 7/16–14 to 1–8 with overflow shank. Application: For UNC thread, unified coarse 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

UNC

HSS-E

60°

2–3

≤ 3xd

40°

C

bright

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. 1770

10

15

1770

Thread

Order No.

Threads per inch

Thread ∅

Total length mm

Shank ∅

Square shank mm

Core hole ∅

inch

mm

mm

mm

bright

0001 0003 0005 0007 0009 0011 0013 0015 0017 0019 0021 0023 0025 0027 0029 0031

UNC No.4 UNC No.5 UNC No.6 UNC No.8 UNC No.10 UNC No.12 UNC 1/4 UNC 5/16 UNC 3/8 UNC 7/16 UNC 1/2 UNC 9/16 UNC 5/8 UNC 3/4 UNC 7/8

16.60 16.35 15.50 16.35 16.60 19.80 18.65 19.80 24.10 29.40 32.40 46.30 40.80 50.30 61.40 82.20 (W164)

40 40 32 32 24 24 20 18 16 14 13 12 11 10

2.845 3.175 3.505 4.166 4.826 5.486 6.350 7.938 9.525

56 56 56 63 70 80 80 90 100 100 110 110 110 125 140 160

3.5 3.5 4.0 4.5 6.0 6.0 7.0 8.0 9.0 8.0 9.0

2.7 2.7 3.0 3.4 4.9 4.9 5.5 6.2 7.0 6.2 7.0 9.0 9.0

2.35 2.65 2.85 3.50 3.90 4.50 5.10 6.60 8.00 9.40

11.113 12.700 14.288 15.875 19.050 22.225 25.400

10.80 12.20 13.50 16.50 19.50 22.25

11.0 12.0 14.0 18.0 18.0

11.0 14.5 14.5

9 8

UNC 1

1/215

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