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Drilling tools

74

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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 R (without protective countersinking).

60°

DIN 333-R

HSS

Cutting Tools 1

bright

l

1

2

d

1

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. 1139

20

10

6

8

3

20

45

45

6WHHOV XSWR

1139

Drill ∅ d 1 k12 mm 1.00 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

0100 0160 0200 0250 0315 0400 0500 0630 0800 1000

12.65 10.15 10.00 10.90 14.05 19.80 29.20 51.20 99.40

3.15 4.00 5.00 6.30 8.00

31.5 35.5 40.0 45.0 50.0 56.0 63.0 71.0 80.0 100.0

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

0.02 0.02 0.03 0.03 0.04 0.05 0.07 0.09 0.10 0.12

10.0

12.50 16.00 20.00 25.00

200.50 (W101)

< 250

NC drilling device with cyl. Shank

Design: HSS Co5, according to factory standard. Very sturdy model, profile grinding, right cutting, with precise point geometry and narrow cross blade. With a side clearance angle of 12°/30°. Helix angle smaller than normal, core thickness considerably smaller than normal and taper normal. From ∅ 6 mm with carrier surface according to DIN 1835-B. ∅ tolerance: h6. Application: For precise drill positioning. Used for centring and chamfering thread holes in one step.

HSS Co5

Factory standard

DIN 1835-B

90°

1140

bright

_

1146 TiN

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. 1140 1146

12 12

8 8

22 22

50 50

40 75

10 15

8

3 3

10

6WHHOV XSWR

1140

1146

∅ h8

Order No.

Slot length

Total length

1PP

f mm/rev

mm

mm

mm 46 55 62 66 79 89 102 115 131

bright

TiN

0300 0400 0500 0600 0800 1000 1200 1600 2000

3 4 5 6 8

4.08 4.46 5.20 6.85 8.50

– –

12 12 14 16 21 25 30 38 45

0.05 0.06 0.07 0.09 0.10 0.13 0.16 0.20 0.23

7.25 9.70

14.00 18.90 22.10 31.30 46.30 (W106)

10 12 16 20

11.60 13.75 22.60 33.00 (W106)

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