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Drilling tools 121

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Core drills

Design: HSS-Co, AlTiN coated surface, with Weldon shank ∅ 19 mm, 2 carrier surfaces and 1 countersink for Rota-Quick ® . Inner hole 6.35 mm. Application: For use in magnetic base drills and column drills with MK mount. The core drill only machines a thin material ring. The remaining drill core is ejected by a guide and ejector pin using spring force. The chips are quickly moved up for disposal and the risk of breakage minimised. Even large drilling diameters require relatively low amounts of energy. The core drill machines only a small part of the overall area in comparison to the spiral drill. This results in huge savings in power and time.

HSS Co

Cutting Tools 1

1326

AlTiN

1326 AlTiN 1327

30 mm cutting depth

50 mm cutting depth

1 Roughing tap 2 Finish tap

AlTiN

1327

AlTiN

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. 1326 1327

30 28

8 6

15 13

20 18

12 10

6 4

22 20

40 38

42 40

1327

1327

1326

1326

Drill ∅

Drill ∅

Order No.

Order No.

mm

mm

AlTiN

AlTiN

AlTiN

AlTiN

0121 0131 0141 0151 0161 0171 0181 0191 0201 0211 0221 0231 0241 0251 0261 0271 0281 0291 0301 0311

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

24.50 24.80 25.00 26.70 28.60 30.20 32.10 33.80 35.60 37.50 35.50 37.10 38.70 40.30 41.90 43.50 45.10 46.70 48.30 49.90 (W125)

33.00 34.50 35.60 38.20 40.80 43.30 45.80 48.30 50.90 53.50 56.00 58.50 61.10 63.60 66.10 68.70 71.20 73.80 76.30 78.80 (W125)

0321 0331 0341 0351 0361 0371 0381 0391 0401 0411 0421 0431 0441 0451 0461 0471 0481 0491 0501

32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

57.00 58.80 64.80 71.20 73.20 75.30 77.30 79.40 81.30 83.40 85.50 87.50 89.60 91.60 93.60 95.60 97.70 99.70

81.40 83.90 86.50 89.10 95.20 97.90

100.50 103.00 106.00 108.50 111.00 114.00 116.00 119.00 121.50 124.50 127.00 129.50 132.00 (W125)

102.00 (W125)

Core drills set

Design: Supplied in plastic cassette, 7 piece. Core drill set 1328 0101 consisting of core drills (order no. 1326). Core drill set 1328 0151 consisting of core drills (order no. 1327).

1328

Set contents

Order No.

Cutting depth

mm

AlTiN

0101

1 ∅ 12; 14; 16; 18; 22; 26 mm; 1 ejector pin 1 ∅ 14; 16; 18; 20; 22; 26 mm; 1 ejector pin

198.00

30

0151

260.00

50

(W125)

AlTiN

1/103

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