Catalog FORMAT plus 2017 - 2018

Drilling tools

78

Solid carbide centre drill

Design: solid carbide (K10/K20), according to factory standard. Profile grinding, bright surface, right cutting, with precise point geometry. Point thinning > ∅ 1.60 mm according to DIN 1412, form A. ∅ tolerance: ∅ 1.00–2.5 = + 0.14 mm ∅ 3.15–5.0 = + 0.18 mm ∅ 6.30 = + 0.22 mm Application: For centring holes without protective countersinking. Particularly suitable for abrasive materials, AlSI alloys, fibre-reinforced plastics, duroplasts with a sanding effect on blades and fibres, high strength steels, steel castings, grey cast iron, hard castings, manganese hard steel, CrNi steels, bronzes and light and non-ferrous metals.

60°

Solid carbide

Factory standard

l

Cutting Tools 1

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. 1180

70

60

30

70

150

30

25

150

1180

1180

Order No. Shank ∅ d 2 h9 mm l 1 mm For work- piece ∅ mm 0100 1.00 28.60 10 3.15 31.5 6– 8 0125 1.25 31.50 10 3.15 31.5 8–10 0160 1.60 30.30 10 4.00 35.5 10–15 0200 2.00 32.90 10 5.00 40.0 15–20 0250 2.50 37.10 10 6.30 45.0 20–30 (W108) Order No. Drill ∅ d 1 mm bright PU Shank ∅ d 2 h9 mm l 1 mm For work- piece ∅ mm 0315 3.15 49.50 10 8.00 50.0 30– 40 0400 4.00 55.10 10 10.00 56.0 40– 63 0500 5.00 96.00 1 12.50 63.0 63–100 0630 6.30 139.50 1 16.00 71.0 100–150 (W108) Drill ∅ d 1 mm bright PU

Solid carbide NC drill bit with cyl. Shank

Design: Solid carbide (K10/K20), type N, according to factory standard. Very sturdy model, profile grinding, right cutting, with precise point geometry and narrow cross blade. Without point thinning, with a clear side angle of 12°/30°. Angle of rake smaller than normal, core thickness much thinner than normal and normal core gradient. From ∅ 6 mm with carrier surface according to DIN 6535-HB. ∅ tolerance: up to ∅ 10 mm = h6, from ∅ 10 mm: cutting tolerance = h8. Application: 90° – For drilling and simultaneous countersinking if a spiral drill with a smaller ∅ follows. 142° –For intervening with the main blade of the following spiral drill. Especially suitable for precise positioning and fast boring on NC machines and jig boring machines. Used for centring and chamfering thread holes in one step. Only suitable for drilling. Particularly suitable for high strength steels, steel castings, grey cast iron, hard castings, manganese hard steel, CrNi steels, bronzes and light and non-ferrous metals.

VHM K10/ K20 Solid carbide

Werks- norm Factory standard

Typ N

y e

DIN 6535-HB

90°

142°

_

1172 / 1176

1172 1176 TiAlN

90°

142°

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. 1172 1176

65 65

55 55

35 35

90 90

180 180

30 30

40 35

100 200

1176

1176

1172

1172

∅ h6

∅ h6

Order No.

Order No.

Slot length mm

Total length mm

Slot length mm

Total length mm

mm

mm

TiAlN

TiAlN

TiAlN

TiAlN

0200 0300 0400 0500 0600

2 3 4 5 6

19.40 19.40 21.10 24.00 26.60 (W108)

21.10 21.10 22.90 24.70 27.00 (W108)

8

38 46 55 62 66

0800 1000 1200 1600 2000

8

43.40 59.60 78.20

40.40 48.10 57.80

21 25 30 37 45

79 89 102 115 131

12 12 14 16

10 12 16 20

107.00 199.50 (W108)

127.50 208.00 (W108)

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