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Drilling tools

62

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Boring bush drill with Morse taper Shank

Design: HSS, DIN 341, type N. Profile grinding, steam tempered surface, right cutting, with precise point geometry. Good centring characteristics due to point thinning according to DIN 1412, form A. Angle of rake, core thickness and core gradient normal. Application: Suitable for drilling through boring bushes (important for sloped and uneven surfaces) as well as drilling deep holes up to 10 x D. Particularly suitable for alloyed and non-alloyed steels, steel casting, grey cast iron, malleable cast iron, nodular iron, sintered iron, nickel silver and graphite.

DIN 341

Type N

HSS

MK 1–4

118°

25–30°

Cutting Tools 1

10xD

steam

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. 1089

22

18

22

30

6WHHOV XSWR

1089

∅ h8

Order No.

Spiral length

Total length

MK

1PP

f mm/rev

mm 10.0 10.5 11.0 11.5 12.0 12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0 16.5 17.0 17.5 18.0 18.5 19.0 19.5 20.0 20.5 21.0 21.5 22.0 22.5 23.0 24.0 25.0 26.0 27.0 28.0 29.0 30.0 31.0 32.0 33.0 34.0 35.0 36.0 37.0 38.0 39.0 40.0 45.0 50.0

mm 116 116 125 125 134 134 134 142 142 147 147 153 153 159 159 165 165 171 171 177 177 184 184 191 191 198 198 206 206 214 222 222 230 230 239 248 248 257 257 267 267 277 277 277 298 321

mm 197 197 206 206 215 215 215 223 223 245 245 251 251 257 257 263 263 269 269 275 275 282 282 289 289 296 296 327 327 335 343 343 351 351 360 397 397 406 406 416 416 426 426 426 447 470

steam

1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 2150 2200 2250 2300 2400 2500 2600 2700 2800 2900 3000 3100 3200 3300 3400 3500 3600 3700 3800 3900 4000 4500 5000

20.70 21.20 21.80 21.80 21.80 22.00 22.00 24.50 24.80 31.40 31.10 30.30 32.50 34.10 33.90 38.80 38.50 46.50 42.40 48.70 46.60 58.40 53.10 62.80 57.80 63.90 60.00 73.70 74.40 85.40 91.50

1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4

0.200 0.200 0.200 0.200 0.200 0.200 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.315 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.400 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0.630 0.630

102.00 118.00 117.50 155.00 163.50 163.50 205.50 199.50 229.00 259.00 247.00 265.00 277.00 464.50 464.50 (W100)

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