Page 140 - Cobra-Carbide-2020-Catalog
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CARBIDE DRILLS
Straight Flute
DRILLS
MICRO GRAIN SOLID CARBIDE
STRAIGHT FLUTE DRILL
Cutting Speed Straight Flute Drills
Material Group Material Type
m/min SFM
Steel Structural Steel 60 193
Free Cutting Steel 60 193
Unalloyed Heat Treatable Steel 45 147
Unalloyed Case Hardened Steel 45 147
Alloyed Case Hardened Steel 30 98
Nitriding Steel 30 98
Acid Resistant / Stainless Steel, 40 131
Stainless Steel Sulphured Austenitic Steel, Martensitic
High Tensile Steel Low Carbon Steel 55 180
MediumCarbon Steel 45 147
Alloyed Heat Treatable Steel 30 98
Tool Steel 30 98
High Speed Steel 25 82
Spring Steel
30
98
DRILLS Cast Materials Spheroidal Graphite & Malleable Ci
Cast Iron
Chilled Ci
Aluminum & Aluminum Alloys
Aluminum Alloys Al Wrought Alloys
Al Cast Alloys < 10%si
Al Cast Alloys > 10%si
Special Alloys Special Alloys
Ti Alloys
Non Ferrous Metals Copper Low Alloyed
Brass
Bronze
Plastics Duro Plastics
Thermo Plastics
Magnesium Alloys Mg Alloys
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140 www.cobracarbide.com / Cell: 951-280-4700
