Rock Drilling Grade Information

ANC offers its rock drilling products in a variety of different grades of carbide specially formulated for use in tough applications like oil and gas drilling, mining, tunneling, construction, and horizontal drilling. Click on the grade designation below for additional information.

GRADE
COBALT %
GRAIN SIZE
PRODUCTS
6
Fine
Rectangular stabilizers
6
Medium
Spherical dome inserts for percussion and hammer bits
6
Medium
Spherical dome inserts for percussion and hammer bits
8
Medium
Compacts for percussion and hammer bits
10
Coarse
Rotary drilling compacts, roller reamers, stabilizers and geophysical inserts for drag bits
10
Medium/Coarse
Rotary drilling compacts, roller reamers, stabilizers and geophysical inserts for drag bits
10
Coarse
Rotary drilling compacts, roller reamers, stabilizers and geophysical inserts for drag bits
12
Medium/Coarse
Rotary drilling compacts and geophysical inserts for drag bits
12
Coarse
Rotary drilling compacts and geophysical inserts for drag bits
13
Medium
Rotary drilling compacts, PDC substrates
16
Medium
Large diameter, large extension, rotary drilling compacts, PDC substrates

Grade Comparison Chart

ANC's rock drilling grade comparison chart provides a quick reference for selecting the ANC grade to use in place of the grade you're currently using. Click here to view the rock drilling grade comparison chart.

Other Grades

Click here to view information on ANC's selection of grades for metalworking applications.

 

American National Carbide

American National Carbide
915 South Cherry Street
Tomball, Texas U.S.A. 77375-6669
(281) 351-7165 - (800) 331-7585
Fax: (281) 255-9333
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