Impregnated Bit Selection Guide

Impregnated Bit Selection Guide

Products

Footage First Rewards

Become a Member

« Show all Products

Impregnated Bit Selection Guide


Impregnated bits are typically designated by "Series." Each series is designed to work under specific
conditions of ground hardness and abrasiveness.

Please refer to the selection table to identify the appropriate series for your drilling conditions. 

Hole Products Bit Selection Guidelines
ROCK TYPE
CHARACTERISTICS 
HOLE PRODUCTS
IMPREGNATED BIT
SERIES GUIDE
CONDITION 
HOLE PRODUCTS DIAMOND SURFACE
SET SIZE GUIDE
EXTREMELY HARD
 
Chert, Glassy
Quartzite, Ironstone,
Jasperite, Volcanic Tuff
Non-Abrasive
 
Very Fine Grained
Competent
10 *
 
All Types
 
Not Recommended
 
Use Impregnated Bit
VERY HARD
 
Dolerite, Gneiss,
Granite, Porphyry
Quartzite, Rhyolite,
Non-Abrasive
 
Fine Grained
Competent
8,9
 
All Types
 
Not Recommended
 
Use Impregnated Bit
HARD
 
Andesite, Basalt,
Dolerite, Gabbro,
Quartz, Silicified Volcanic
Moderately Abrasive
 
Fine to Medium Grained
Competent to Fractured
7,8
 
All Types
 
Not Recommended
 
Use Impregnated Bit
MEDIUM HARD
 
Diabase, Dolomite, Pegmatite, Sandstone, Schist, Siltstone
Moderately Abrasive
 
Medium to Coarse Grained
Competent to Fractured
6,7
 
Competent
 
Broken
45/55 SPC
35-45 SPC
 
SOFT
 
Limestone, Marl, Peridotite,
Serpentine, Shale, Weathered Granite,
Abrasive
 
Medium to Coarse Grained
Competent to Fractured
4
 
Competent
 
Broken
25/35 SPC
15/25 SPC
 
VERY SOFT
 
Clay, Gypsum, Potash, Talc,
Abrasive
 
Coarse Grained
Fractured
2,4
 
Competent
 
Broken
15/25 SPC
10/15 SPC
6/10 SPC
 
VERY ABRASIVE
 
Conglomerate, Hard Shale,
Limestone, Sandstone
Very Abrasive
 
Coarse Grained
Highly Fractured
2
 
All Types
 
10/15 SPC
6/10 SPC
 

Contact

Global Sales: 1.888.465.1569
Arizona Office: 844.836.6225
California Office: 844.573.0854
Florida Office: 877.544.4211
Georgia Office: 888.448.4430
Minnesota Office: 320.616.0701
Missouri Office: 877.699.2159
New Jersey Office: 888.379.0371
North Carolina Office: 828.838.2110
Pennsylvania Office: 717.515.9809
Wisconsin Office: 888.465.3704