Cleveland Twist Drill High Performance Drills

Series	Material	Length	Point	Flutes	Shank	Surface Treatment	Application
Q Cobalt	Cobalt	Jobber, Screw Machine, Taper	135°	Wide Land Parabolic Flute	Straight	Straw, TiN, TiCN, TiAlN	Effective in work hardening materials like high-strength alloy steels, stainless steels, high speed steels, chilled cast iron and tool steels. Ideal for deep-hole drilling in a wide range of materials.
1980 (Q PM)	Powdered Metal	Regular	140°	Coolant through	Straight w/flat	TiN	Effective in alloyed steel, tool steel, stainless steel, tough alloys.
1990 (Q Carbide)	Carbide	Regular	140°		Straight w/flat	TiN	Optimized point and flute geometry for up to 5 times greater penetration rate than standard HSS drills. Effective in alloyed steel, tool steel, stainless steel, tough alloys.
2165	HSS	Screw Machine	118° Notched	High helix parabolic	Straight	Bright	Superior chip ejection in deep hole drilling. Design allows drilling to 5X diameter. Effective in alloyed steel, aluminum copper, cast iron, and stainless steel.
2165TN	HSS	Screw Machine	118° Notched	High helix parabolic	Straight	TiN	Same as Series 2165 except with TiN coating for higher feeds & speeds, reduced heat at the cutting edge, added lubricity, and longer tool life.
2065	HSS	Jobber	118° Notched	High helix parabolic	Straight	Bright	Superior chip ejection in deep hole drilling. Design allows drilling to 10X diameter without peck drilling. Effective in alloyed steel, aluminum copper, cast iron, and stainless steel.
2065TN	HSS	Jobber	118° Notched	High helix parabolic	Straight	TiN	Same as Series 2065 except with TiN coating for higher feeds & speeds, reduced heat at the cutting edge, added lubricity, and longer tool life.
2565	HSS	Taper	118° Notched	High helix parabolic	Straight w/tang	Bright	Superior chip ejection in deep hole drilling. Design allows drilling to 10X diameter or more without peck drilling (sufficient coolant required). Effective in alloyed steel, aluminum copper, cast iron, and stainless steel.
2565TN	HSS	Taper	118° Notched	High helix parabolic	Straight	TiN	Same as Series 2565 except with TiN coating for higher feeds & speeds, reduced heat at the cutting edge, added lubricity, and longer tool life.
2590	HSS	Regular	118° R Notched	Heavy duty high helix (34°) with coolant through	Straight	Black Oxide	Heavy duty contruction for increased tool strength. Efficient chip removal, particularly in deep hole non-ferrous applications. Effective in alloyed steel, stainless steel, carbon steel, cast iron.
2580	HSS	Regular	118° R Notched	Heavy duty low helix (14°) with through coolant	Straight	Black Oxide	Heavy duty contruction for increased tool strength. Low helix ideal for harder materials and horizontal applications. Effective in alloyed steel, stainless steel, carbon steel, cast iron.
2480	HSS	Taper	118° R Notched	High helix, coolant through	Taper w/tang	Black Oxide	Efficient chip removal, particularly in deep hole, non-ferrous applications. Self-centering point. Effective in alloyed steel, stainless steel, carbon steel, and cast iron.
2490	HSS	Taper	118° R Notched	High helix, coolant through	Taper w/tang	Black Oxide	Efficient chip removal, particularly in deep hole, non-ferrous applications. Increased tool strength. Effective in alloyed steel, stainless steel, carbon steel, and cast iron.
927E	HSS	Extra length	118° R Notched	High helix, coolant through	Taper w/tang	Black Oxide	Increased tool strength. Efficient chip removal, particularly in deep hole, non-ferrous applications. Effective in alloyed steel, stainless steel, carbon steel, and cast iron.
3780 (AMD)	Cobalt	Jobber OAL, Screw Machine flute length	135° Split	High Helix	Straight	Black Oxide	Efficient chip removal. Extra heavy web for superior rigidity. Self-centering point. Effective in stainless steel, alloyed steel, tool steel, and carbon steel.
1727	Carbide	Regular	4 Facet	Heavy Duty	Straight	Bright	Strong cutting edges. Extra tool strength. Good heat dissipation. Ideal for highly abrasive materials. Effective in alloyed steel, tool steel, and stainless steel.