Catalog FORMAT plus 2017 - 2018 | Contact : 0799.402.346 | 0799.402.343 | e-mail : format@rocast.ro

Drilling tools

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Ai nevoie de ajutor? Suntem aici pentru tine! 0799.402.346 / 0799.402.343 | format@rocast.ro Design: HSS, type N. Profile grinding, steam tempered surface, right cutting, with precise point geometry. Point thinning according to DIN 1412, form A. Normal angle of rake, core thickness and core gradient. Drilling and countersinking are produced in a single step, aligned to each other. ∅ tolerance: d 1 = h9 d 2 = h8 Note: The cutting speed is orientated towards the large diameter, the feed towards the small diameter. Multiple twist stepped drill with cyl. Shank HSS Type N 118° 25–30°

Cutting Tools 1

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. 1109 1112 1115

30 30 30

16

8 8 8

30 30 30

50 50 50

50 50 50

16 16

90° multiple twist stepped drill for core holes

DIN 8378

Design: DIN 8378, 90° countersink angle. Application: For thread core holes according to DIN 336, part 1 and 90° free countersinking corresponding with the through-holes according to DIN EN 20273.

steam

1109

For tapped holes

Order No.

Drill ∅ d 1 x countersink ∅ d 2 mm

Overall length l 1 mm

Spiral length I 2 mm

Drill step length l 3 mm

steam

0030 0040 0050 0060 0080 0100 0120

M3 M4 M5 M6 M8

16.00 17.45 17.85 24.00 29.70 36.50 38.00 (W104)

2.5 x 3.4 3.3 x 4.5 4.2 x 5.5 5.0 x 6.6 6.8 x 9.0 8.5 x 11.0 10.2 x 13.5

70 80 93 101 125 142 160

39 47 57 63 81 94 108

8.8

11.4 13.6 16.5 21.0 25.5 30.0

M10 M12

With Morse taper Shank DIN 8379 or VHM design available on request.

90° multiple twist stepped drill for through-holes

DIN 8374

Design: DIN 8374, 90° countersink angle, fine. Application: For screw through-holes according to DIN EN 20273 and 90° screw head countersinking. Form A and B according to DIN 74, part 1. For screws according to DIN 963 and DIN 964.

steam

1112

For tapped holes

Order No.

Drill ∅ d 1 x countersink ∅ d 2 mm

Overall length l 1 mm

Spiral length I 2 mm

Drill step length l 3 mm

steam

0030 0040 0050 0060 0080 0100

M3 M4 M5 M6 M8

19.30 22.30 28.20 31.60 52.60 81.10 (W104)

3.2 x 6.0 4.3 x 8.0 5.3 x 10.0 6.4 x 11.5 8.4 x 15.0 10.5 x 19.0

93 117 133 142 169 198

57 75 87 94 114 135

9

11 13 15 19 23

M10

With Morse taper Shank DIN 8375 available on request.

180° multiple twist stepped drill for through-holes

DIN 8376

Design: DIN 8376, 180° countersink angle, medium. Application: For screw through-holes according to DIN EN 20273 and 180° screw head countersinking. Form H, J and K according to DIN 84, DIN 912, DIN 6912, DIN 7513 and DIN 7984.

steam

1115

For tapped holes

Order No.

Drill ∅ d 1 x countersink ∅ d 2 mm

Overall length l 1 mm

Spiral length I 2 mm

Drill step length l 3 mm

steam

0030 0040 0050 0060 0080 0100

M3 M4 M5 M6 M8

19.40 22.50 27.30 31.50 39.60 82.30 (W104)

3.4 x 6 4.5 x 8 5.5 x 10 6.6 x 11 9.0 x 15 11.0 x 18

93 117 133 142 169 191

57 75 87 94 114 130

9

11 13 15 19 23

M10

With Morse taper Shank DIN 8377 or VHM design available on request.

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