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HAM 280
Solid carbide twist drill, DIN 6537 B to 3xD		[HAM 280]
short type, TIN, TIALN-coated, cylindrical shank with clamping
fixture DIN 6535 HE, right hand cut
design features:
point grind: special
point, CNC-grinding
point angle: 140°
side rake angle: 30°
web thickness:
reinforced
profile: special chip
flute geometry		 cutting material grade & applications:
K10 micro grain 10-12% Co TIN-coated
High performance spiral twist drill for
highest bore hole quality and economical
out-put. For drilling of cast iron, malleable
cast iron, steel castings, Cr-Ni-steels,
heatresisting steel, non-ferrous metals.
Specially suited for NC-drilling with great
feeds per rev.

Part No. d1 m7 mm d2 h6 mm l1 mm l2 mm l3 mm
280-0300 3.00 6.00 62 20 14
280-0330 3.30 6.00 62 20 14
280-0350 3.50 6.00 62 20 14
280-0400 4.00 6.00 66 24 17
280-0420 4.20 6.00 66 24 17
280-0450 4.50 6.00 66 24 17
280-0500 5.00 6.00 66 28 20
280-0550 5.50 6.00 66 28 20
280-0600 6.00 6.00 66 28 20
280-0650 6.50 8.00 79 34 24
280-0660 6.60 8.00 79 34 24
280-0680 6.80 8.00 79 34 24
280-0700 7.00 8.00 79 34 24
280-0750 7.50 8.00 79 41 29
280-0800 8.00 8.00 79 41 29
280-0850 8.50 10.00 89 47 35
280-0900 9.00 10.00 89 47 35
280-0950 9.50 10.00 89 47 35
280-1000 10.00 10.00 89 47 35
280-1020 10.20 12.00 102 55 40
280-1050 10.50 12.00 102 55 40
280-1100 11.00 12.00 102 55 40
280-1150 11.50 12.00 102 55 40
280-1180 11.80 12.00 102 55 40
280-1200 12.00 12.00 102 55 40
280-1250 12.50 14.00 107 60 43
280-1300 13.00 14.00 107 60 43
280-1350 13.50 14.00 107 60 43
280-1400 14.00 14.00 107 60 43
280-1450 14.50 16.00 115 65 45
280-1500 15.00 16.00 115 65 45
280-1550 15.50 16.00 115 65 45
280-1600 16.00 16.00 115 65 45
280-1650 16.50 18.00 123 73 51
280-1700 17.00 18.00 123 73 51
280-1750 17.50 18.00 123 73 51
280-1800 18.00 18.00 123 73 51
280-1850 18.50 20.00 131 79 55
280-1900 19.00 20.00 131 79 55
280-1950 19.50 20.00 131 79 55
280-2000 20.00 20.00 131 79 55
280-2200 22.00 25.00 165 105 75
280-2400 24.00 25.00 165 105 75
280-2500 25.00 25.00 165 105 75
280-2600 26.00 32.00 190 126 90
280-2800 28.00 32.00 190 126 90
280-3000 30.00 32.00 190 126 90

We have the right to make technical changes.


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