High Performance Carbide Miniature Drills for Deep hole Drilling 40-65 HRC


The EXOCARB® Max-Mini drill is a 3-flute miniature drills designed specifically for processing small holes up to 20 X diameter in material up to 65 HRC.


OSG's EXO Coating Technology

A multi-layered TiAlN coating provides greater resistance to heat and wear, ideal for applications in hardened steel.

3-Flute High Rigid Flute Form

A larger core diameter that provides the rigidity needed to drill hardened steels.

Reduced Neck Configuration

Further optimizes tool body rigidity.

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



List 5310 - EXOCARB®-MAX-MINI FHL-GDTS View Offering >   View Overview >

Alternate Products

List 5320 - EXOCARB® MAX-MINI UVM-DRL 5D View Offering >   View Overview >

List 5325 - EXOCARB® MAX-MINI UVM-DRL 10D View Offering >   View Overview >

List 5330 - EXOCARB® MAX-MINI WX-MS-GDS View Offering >   View Overview >

List 5340 - EXOCARB® MAX-MINI MRS-GDL View Offering >   View Overview >



Hardened Steels 40 - 65 HRC.


Small diameter holes ranging from 1mm ~ 3mm


Drill depths up to 20 x Diameter


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