ITC Product Catalogue Issue 15

Page 142

Recommended Drilling - Speeds & Feeds

Speeds & Feeds Carbide Uncoated SURFACE SPEED MATERIAL GROUP

RECOMMENDED DRILL SERIES

METRES/ MIN

Aluminium Low <8% Silicon

M112

70-250

265

-

M112

60-175

265

-

Aluminium High >8% Silicon

FEED (mm/REV) DRILL DIAMETER 1.5mm

3mm

6mm

12mm

20mm

25mm

0.025

0.050

0.080

0.080

-

-

0.025

0.050

-

-

-

-

0.025

0.050

0.080

0.080

-

-

0.025

0.050

-

-

Brass and Bronze

M112

50-120

0.013

0.025

0.050

0.100

-

-

Copper and Copper Alloys

M112

80-120

0.025

0.080

0.130

0.150

-

-

265

-

0.025

0.080

-

-

-

-

Cast Iron (Soft) 120-220 Bhn

M112

55-110

0.025

0.050

0.100

0.130

0.180

0.250

Cast Iron (Hard) 220-320 Bhn

M112

50-70

0.040

0.025

0.050

0.080

0.100

0.130

Magnesium and Magnesium Alloys

M112

65-190

0.040

0.080

0.130

0.200

-

-

Plastics-Glass Filled

M112

85-150

0.025

0.050

0.080

0.130

-

-

265

-

0.025

0.050

-

-

-

-

Plastics

M112

75-200

0.040

0.090

0.130

0.150

-

-

265

-

0.040

0.090

-

-

-

-

Stainless Steel Soft 135-275 Bhn

M112

-

0.012

0.012

0.050

0.100

-

-

265

-

0.012

0.012

-

-

-

-

142

Tel: 01827 304500

Email: sales@itc-ltd.co.uk

Website: www.itc-ltd.co.uk