Coated Carbide Drills for Steel & Cast Iron MDH Series
High-efficiency Drilling Performance Longer Tool Life
High-efficiency Cutting Conditions Conventional Cutting Conditions
65
130
195
260
325
390
Drilling Distance (Feet)
High-efficiency Cutting Conditions f = .0157 IPR
Conventional Cutting Conditions f = .0098 IPR
MDH Series
MDH Series
High-efficiency Cutting Conditions After Drilling 365 ft.
Conventional Cutting Conditions After Drilling 220 ft.
*Tool life varies based on the workpiece and operating environment. The above does not guarantee that tool life will be extended.
Reduced peripheral abrasion distance suppresses wear
Work Material: 1050 Steel, Tool: MDH0800S08H05 High-efficiency Cutting Conditions: vc = 465 SFM f = .0157 IPR Conventional Cutting Conditions: vc = 265 SFM f = .0098 IPR
H = 1.496” (Through) Wet (Water-soluble, Internal Coolant Supply) H = 1.496” (Through) Wet (Water-soluble, Internal Coolant Supply)
2.8 times the drilling efficiency and 1.3 times longer tool life
High-efficiency Drilling Performance Hole Accuracy Comparison
Effective use of submargin from entrance Wide chisel edge engages firmly to suppress slanting
MDH series Conventional Tool
f = .20 inch /rev
f = .10 inch/rev
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MDH Series
Conventional Tool
Work Material: 1050 Steel, Tool: MDH0800S08H05 Cutting Conditions: vc = 330 SFM
Wet (Water-soluble, Internal Coolant Supply)
Hole position precision and deviation equivalent to conventional cutting conditions, even at twice the drilling efficiency
7
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