- Home
- Products
- Boring
- Criterion®
- Finish Boring
- CB Style
The CB Style boring heads offer the largest diameter range of any of our Criterion boring heads. This is the best choice when you have a variety of bore sizes to produce. The CB Style has been designed for use on manual or CNC machines. Offered in standard or microadjustment to meet your tolerance needs.
Watch Video

Watch Video
Advantages
- Large diameter mounting surface provides maximum rigidity and stability
- Ideal for job shops
- Wide range of diameters produced with a single boring head
Features
- Standard CB Style provides adjustment of 0.001" or 0.02 mm on diameter
- Also offered in microadjustment for 0.00005" or 0.001 mm on diameter bore increments
- Inch model CB Style boring range 0.050" – 21.500" on diameter
- Metric model CB Style boring range 3 mm – 341 mm on diameter
- V-Flange, BT-Flange, DIN 69871, DIN2080 and HSK shanks available
- Max spindle speed: 2,000 SFM (305M/min) at 0 radial offset
Technical Information
Product Specifications
Product Type
Modular Boring System
Center Hole Diameter Range
0.050" - 3.250" (3.00 mm - 73.00 mm)
Outboard Hole Diameter Range
1.00" - 5.125" (25.00 mm - 130.00 mm)
Cross Hole Diameter Range
2.875" - 21.500" (73.00 mm - 341.00 mm)
Product Nomenclature
CB Style
Boring Head Style
x
CB = CB Style
SQ = Square
TMT = Tiny Mite
CSL = Slotted
SQ = Square
TMT = Tiny Mite
CSL = Slotted
CB
-
Body Size
x
Imperial
002 = 1.500"
152 = 1.500"
0750 = 0.750"
1000 = 1.000"
1500 = 1.500"
2000 = 2.000"
202 = 2.000"
3000 = 3.000"
203 = 3.000"
204 = 4.000"
206 = 6.000"
002 = 1.500"
152 = 1.500"
0750 = 0.750"
1000 = 1.000"
1500 = 1.500"
2000 = 2.000"
202 = 2.000"
3000 = 3.000"
203 = 3.000"
204 = 4.000"
206 = 6.000"
Metric
025M = 25mm
032M = 32mm
050M = 50mm
076M = 76mm
101M = 101mm
025M = 25mm
032M = 32mm
050M = 50mm
076M = 76mm
101M = 101mm
2000
Tool Hole ID
x
Imperial
A = 0.375"
B = 0.500"
C = 0.625"
D = 0.750"
E = 1.000"
F = 1.500"
G = 0.125"
H = 0.250"
A = 0.375"
B = 0.500"
C = 0.625"
D = 0.750"
E = 1.000"
F = 1.500"
G = 0.125"
H = 0.250"
Metric
A = 10mm
B = 12mm
C = 16mm
D = 20mm
E = 25mm
A = 10mm
B = 12mm
C = 16mm
D = 20mm
E = 25mm
A
Feature
x
Blank = Standard Adjusting
MA = Micro Adjusting
MA = Micro Adjusting
MA
Recommended Cutting Data
Additional Resources and Guidelines