Surface Set Bit Ordering Guidelines

Surface Set Bit Ordering Guidelines

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Surface Set Bit Ordering Guidelines


Surface set bits are available in all standard industry sizes, with a variety of design options.

Options include multiple crown profiles, waterway options, diamond sizes and diamond grades.

Please contact a Hole Products sales representative for specific details and assistance ordering surface set bits.

1. Size - Surface set bits are available in all standard industry sizes.
2. Click here to view Crown Profile - SR= semi round, PC= pilot crown, and STP= step crown. Others crown options available. 
3. Gauge - Standard, reaming shell and oversized options available.
4. Click here to view Waterway Configurations 
5. Waterways Option - Custom waterway widths and number of waterways are available.
6. Stones Per Carat (SPC) - Standard available spc ranges include 10/15, 15/25, 25/35, 35/45 and 45/55 (custom
    options available). Smaller diamonds recommended for harder formations, and larger diamond in softer formations.
7. Diamond Grade - Hole Products surface set bits are offered as PG (standard), AA, or AAA grade diamonds. Higher
    grade diamonds are recommended for harder formations. 

Diamond Size- Diamond size or SPC is to be determined by the formation encountered. Smaller diamonds are used in moderate hardness conditions, and larger diamonds are used in soft to very soft conditions.

SURFACE SET BIT SELECTION GUIDE
ROCK TYPE APPROXIMATE
HARDNESS
SURFACE SET DIAMOND BITS
6/10 10/15 15/25 25/35 35/45 45/55
Conglomerate, Hard Shale Very Abrasive            
Clay, Gypsum, Potash, Talc Very Soft            
Limestone, Marl, Peridotite, Granite,
Serpentine, Shale, Weathered
Soft            
Diabase, Dolomite, Pegmatite, Sandstone, Schist, Siltstone Medium Hard            

 

Contact

Global Sales: 1.888.465.1569
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