EX-GOLD® Drills (1500)

Cobalt-HSS Drills for Drilling in a Variety of Materials


The Ex-Gold drill line is famous worldwide for its incredible performace in nearly all material families. From cast iron and hardened alloy steel to manual machines or CNC controls, this drill has the toughness and durability to perform. Available in stub and jobber lengths in a complete stocked size offering.


Radial Point Thinning

No center drills neeeded. Achieves high accuracy while reducing drill thrust force for longer tool life.

HSS-Cobalt Substrate

Added hardness versus ordinary HSS, yet exceptional toughness provides exceptional versatility in any application.

Titanium Nitride Coating

Increased hardness and lubricitiy inceases wear resistance thereby extending tool life.

Application Guide

ISO Work Material Recommended
P Low Carbon Steel : 1010, 1018
P Medium Carbon Steel : 1035, 1045
P High Carbon Steel : 1065
P Alloy Steels : 4140, 4340
P Die Steels
M Stainless Steels : 300
M Stainless Steels : 400
M Stainless Steels : 17-4PH
K Cast Iron
N Aluminum : 6061, 7075
N Aluminum : Casting
S Nickel Alloy : Inconel
S Titanium : 6AL4V (30HRC)
H Hardened Steels : ~35 HRC
H Hardened Steels : 35-45 HRC
H Hardened Steels : 45-50 HRC
H Hardened Steels : 50-70 HRC

good best



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Cast Aluminum, Cast Iron, Carbon Steel, Alloy Steel, Die Steel, Hardened Steel < 45 HrC


Proven cost-effective in any application, from small run jobs to large scale production runs.


Easily reground and recoated by OSG's local Regrind Service

Additional Information

When grinding or regrinding industrial cutting tools, residual grinding dust may occur. This dust may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov