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CARBIDE
Drill Stock Dimensions (mm) Drill Stock Dimensions (mm)
Dia. Order Number Dia. Order Number
s s
D1 s L3 L2 L1 D4 D1 s L3 L2 L1 D4
(mm) Coolant s (mm) s
(Int./Ext.)s s
0.78 Ext. VP20MFs 0.89 Ext. s
0.79 Ext. VP15TFs 0.90 Ext. s
0.80 Ext. s 0.91 Ext. s
0.81 Ext. Types0.92 Ext.s
0.82 Ext. Coolants0.93 Ext.s
0.83 Ext. (Int./Ext.)s0.94 Ext.s
0.84 Ext. VP20MFs0.95 Ext.s
0.85 Ext. VP15TF0.96 Ext.
0.86 Ext. 0.97 Ext.
0.87 Ext. Type0.98 Ext.
0.88 Ext. 0.99 Ext.
MSE0078SB 8 12.3 38 3 2 MSE0089SB 10 14.1 38 3 2
0079SB 8 12.3 38 3 2 0090SB 10 14.1 38 3 2
0080SB 10 14.3 38 3 2 0091SB 10 14.1 38 3 2
0081SB 10 14.3 38 3 2 0092SB 10 14.1 38 3 2
0082SB 10 14.3 38 3 2 0093SB 10 14.1 38 3 2
0083SB 10 14.3 38 3 2 0094SB 10 14.0 38 3 2
0084SB 10 14.2 38 3 2 0095SB 10 14.0 38 3 2
0085SB 10 14.2 38 3 2 0096SB 10 14.0 38 3 2
0086SB 10 14.2 38 3 2 0097SB 10 14.0 38 3 2
0087SB 10 14.2 38 3 2 0098SB 10 14.0 38 3 2
0088SB 10 14.2 38 3 2 0099SB 10 14.0 38 3 2
RECOMMENDED CUTTING CONDITIONS
Work Mild Steel ( < 180HB) Carbon steel, Alloy steel (180 280HB)
Material Ck10 Ck45, 41CrMo4
Drill Dia. Cutting Speed Revolution Feed rate Step Table Feed Cutting Speed Revolution Feed rate Step Table Feed
(mm) (m/min) (min-1) (Min. Max.) (mm) (mm/min) (m/min) (min-1) (Min. Max.) (mm) (mm/min)
0.1 6 20000 (mm/rev) 0.02 40 6 20000 (mm/rev) 0.02 40
0.12 8 20000 0.02 40 8 20000 0.02 40
0.16 10 20000 0.002 (0.001 0.003) 0.02 40 10 20000 0.002 (0.001 0.003) 0.02 40
0.2 13 20000 0.002 (0.001 0.003) 0.04 60 13 20000 0.002 (0.001 0.003) 0.04 60
0.25 16 20000 0.002 (0.001 0.003) 0.04 60 16 20000 0.002 (0.001 0.003) 0.04 60
0.32 20 20000 0.003 (0.002 0.004) 0.05 80 20 20000 0.003 (0.002 0.004) 0.05 80
0.4 25 20000 0.003 (0.002 0.004) 0.05 80 25 20000 0.003 (0.002 0.004) 0.05 80
0.5 31 20000 0.004 (0.003 0.005) 0.1 120 31 20000 0.004 (0.003 0.005) 0.1 120
0.63 40 20000 0.004 (0.003 0.005) 0.1 160 40 20000 0.004 (0.003 0.005) 0.1 160
0.8 50 20000 0.006 (0.005 0.007) 0.3 400 50 20000 0.006 (0.005 0.007) 0.3 300
0.99 62 20000 0.008 (0.006 0.01) 0.3 800 62 20000 0.008 (0.006 0.01) 0.3 400
0.02 (0.015 0.025) 0.015 (0.012 0.018)
0.04 (0.03 0.05) 0.02 (0.015 0.025)
Work Carbon steel, Alloy steel (280 350HB) Pre-Hardened Steel (35 45HRC) DRILLING
Material 36CrNiMo4 X36CrMo17
Drill Dia. Cutting Speed Revolution Feed rate Step Table Feed Cutting Speed Revolution Feed rate Step Table Feed
(mm) (m/min) (min-1) (Min. Max.) (mm) (mm/min) (m/min) (min-1) (Min. Max.) (mm) (mm/min)
0.1 6 20000 (mm/rev) 0.02 40 6 20000 (mm/rev) 0.02 40
0.12 8 20000 0.02 40 8 20000 0.02 40
0.16 10 20000 0.002 (0.001 0.003) 0.02 40 10 20000 0.002 (0.001 0.003) 0.02 40
0.2 13 20000 0.002 (0.001 0.003) 0.04 60 13 20000 0.002 (0.001 0.003) 0.04 60
0.25 16 20000 0.002 (0.001 0.003) 0.04 60 16 20000 0.002 (0.001 0.003) 0.04 60
0.32 20 20000 0.003 (0.002 0.004) 0.05 80 20 20000 0.003 (0.002 0.004) 0.05 80
0.4 25 20000 0.003 (0.002 0.004) 0.05 80 25 20000 0.003 (0.002 0.004) 0.05 80
0.5 31 20000 0.004 (0.003 0.005) 0.1 120 31 20000 0.004 (0.003 0.005) 0.1 120
0.63 40 20000 0.004 (0.003 0.005) 0.1 160 40 20000 0.004 0.003 0.005) 0.1 160
0.8 50 20000 0.006 (0.005 0.007) 0.3 300 50 20000 0.006 (0.005 0.007) 0.3 300
0.99 62 20000 0.008 (0.006 0.01) 0.3 400 62 20000 0.008 (0.006 0.01) 0.3 400
0.015 (0.012 0.018) 0.015 (0.012 0.018)
0.02 (0.015 0.025) 0.02 (0.015 0.025)
(Notes)
• When drilling holes up to & 0.3mm, the use of a spot drill is recommended.
• Change the cutting conditions depending on your machine and workpiece rigidity.
• When machining holes over 5D, reduce the peck distance stated above.
• The use of water-soluble fluid (diluted 20 times) is recommended for drilling using the cutting conditions above.
Lower the revolutions if oil fluid or mist is used.
• Work materials marked by " " in the tables above are difficult to drill with external coolant.
The use of internal coolant type MWS or VAPDSSUS is recommended.
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