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Drilling tools

73

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Centre drill

Design: HSS, DIN 333-B, 60/120° countersink angle, profile grinding, bright surface. ∅ tolerance: ∅ 1.0–2.5 = + 0.14 mm ∅ 3.15–5.0 = + 0.18 mm ∅ 6.3 = + 0.22 mm

120° 60°

DIN 333-B

HSS

1132

l

Cutting Tools 1

bright

1

Application: Standard centre drill for producing centre holes according to DIN 332, sheet 1, form B (with 120° protective countersinking).

120°

1132 Bright 1136 Bright 1137

2

1

1136

Right-hand cutting.

d

d

bright

60°

Right-hand cutting.

1137

Left-hand cutting.

bright

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. 1132 1136 1137

12 20 20

10 10 10

20 20 20

45 45 45

45 45 45

6 6

8 8

3 3

6WHHOV XSWR

1132

1136

1137

Drill ∅ d 1 k12 mm 1.00 1.25 1.60 2.00 2.50 3.15 4.00 5.00 6.30 8.00 10.00

Order No.

Shank ∅ d 2 h8 mm l 1 mm For workpiece ∅ mm 1PP f mm/rev

bright

bright

bright

0100 0125 0160 0200 0250 0315 0400 0500 0630 0800 1000

–

11.85 14.15 11.55 12.75 15.45 22.70 28.80 36.00 58.30

30.90 44.70 38.20 38.90 38.90 56.20 55.40 53.30 82.10

4.0 5.0 6.3 8.0 10.0 11.2 14.0 18.0 20.0 25.0 31.5

35.5 40.0 45.0 50.0 56.0 60.0 67.0 75.0 80.0 100.0 125.0

6– 8 8– 10 10– 15 15– 20 20– 30 30– 40 40– 63 63–100 100–150 150–250

0.02 0.02 0.02 0.03 0.03 0.04 0.05 0.07 0.09 0.10 0.12

4.65 4.74 5.35 6.80 7.35

12.00 16.65 22.80

– –

102.50 207.50 (W101)

183.00 374.50 (W101)

< 250

(W106)

Centre drill with surface

Design: DIN 333-A, 60° countersink angle. Profile grinding , right cutting. ∅ tolerance: ∅ 1.0–2.5 = + 0.14 mm ∅ 3.15–5.0 = + 0.18 mm ∅ 6.3 = + 0.22 mm Application: Special centre drill for producing centre holes according to DIN 332, sheet 1, form A (without protective countersinking).

60°

DIN 333-A

HSS

l

1

2

d

bright

1

60°

d

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. 1138

20

10

6

8

3

20

45

45

6WHHOV XSWR

1138

Drill ∅ d 1 k12 mm 1.60 2.00 2.50 3.15 4.00 5.00 6.30 8.00 10.00

Order No.

Shank ∅ d 2 h8 mm l 1 mm For workpiece ∅ mm 1PP f mm/rev

bright

0160 0200 0250 0315 0400 0500 0630 0800 1000

12.65 10.50 11.60 14.05 19.80 33.50 56.20 94.40

4.0 5.0 6.3 8.0 10.0 12.5 16.0 20.0 25.0

35.5 40.0 45.0 50.0 56.0 63.0 71.0 80.0 100.0

10– 15 15– 20 20– 30 30– 40 40– 63 63–100 100–150 150–250

0.02 0.03 0.03 0.04 0.05 0.07 0.09 0.10 0.12

171.50 (W101)

< 250

1/55

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