KEO #4-1/2 Plain-Left Hand 60° High Speed Steel Combination Drill & Countersink
KEO Plain Type Combined Drills And Countersinks 4-1/2 60° H.S.S. Left hand

KEO #4-1/2 Plain-Left Hand 60° High Speed Steel Combination Drill & Countersink

Made In The USA
Item #: 01-091-109
Brand: KEO
Type: Plain-Left Hand
Industry Standard Type: Number
Industry Standard: #4-1/2

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  • High speed steel provides good wear resistance in mild steels & non-ferrous materials.


  • Used when producing a center hole on a workpiece for turning & cylindrical grinding.


Ships direct from factory.
KEO A18LH HSS 60° Included Angle Left Hand (Centerdrills) Combined Drills & Countersinks
Product Specifications
Brand KEO
Type Plain-Left Hand
Industry Standard Type Number
Industry Standard #4-1/2
Included Angle 60°
Tool Material High Speed Steel
Finish Coating Bright
Drill Diameter 9/64"
Body Diameter 3/8"
First Choice For: Steel
Hardness 58 to 60 RC
Model # 14550
OC_Wood X
Overall Length 2-1/2"
Prop. 65 Yes
Weight 0.0563 lbs.
Workpiece Material Range Steel, Non-Ferrous, Cast Iron, Plastics
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

Other Items to Consider

TTC 60°Center Gage - Model: CF-778   Angle Measurement: 60°   Graduation: 14ths, 20ths, 24ths and 32nds of an inch