CIRCLE Style Mini Boring Bars - Min Bore .180-.360 & CDCD (80° Diamond) Inserts

USING DIAMOND SHAPED CDCD INSERTS
- Minimum bore:
.290 - 7° lead angle
.208 - 5° lead angle
.230 - 5° lead angle - Uses CDCD type inserts
- Shanks have locating flats for easy set-up
- Available in steel, heavy metal or carbide shanks
- Made in the USA
Steel Shank-4xD | Heavy Metal-6xD | Carbide Shank-8XD | |||||||
Min Bore |
B Shank |
A Bar Length |
C OAL |
Fig # | Part Number | Part Number | Part Number | Screws | Wrench |
.180 | 0.156 | - | 4.00 | 1 | - | BBC-3000R | BBC-5005R | 19501 | TX-206 |
0.187 | 0.500 | 2.50 | 1 | BBC-1010R | - | - | |||
0.500 | 0.500 | 2.50 | 2 | BBC-1015R | - | - | |||
0.625 | 0.500 | 2.50 | 2 | BBC-1020R | - | - | |||
0.500 | 1.000 | 2.50 | 2 | - | BBC-3025R | - | |||
0.625 | 1.000 | 2.50 | 2 | - | BBC-3030R | - | |||
0.500 | 1.500 | 4.00 | 2 | - | - | BBC-5035R | |||
.208 | 0.187 | - | 2.50 | 1 | BBC-1045R | - | - | ||
4.00 | 1 | - | BBC-3050R | BBC-5050R | |||||
0.375 | 0.500 | 2.50 | 2 | BBC-1060R | - | - | |||
0.500 | 0.500 | 2.75 | 2 | BBC-1065R | - | - | |||
0.625 | 0.500 | 2.75 | 2 | BBC-1070R | - | - | |||
0.375 | 1.000 | 2.50 | 2 | BBC-1075R | - | - | |||
0.500 | 1.000 | 2.75 | 2 | BBC-1080R | - | - | |||
0.625 | 1.000 | 2.75 | 2 | BBC-1085R | - | - | |||
0.500 | 1.250 | 4.00 | 2 | - | BBC-3090R | - | |||
0.625 | 1.250 | 4.00 | 2 | - | BBC-3095R | - | |||
0.500 | 1.875 | 5.00 | 2 | - | - | BBC-5100R | |||
0.625 | 1.875 | 5.00 | 2 | - | - | BBC-5105R | |||
.230 | 0.187 | - | 2.50 | 1 | BBC-1110R | - | - | ||
4.00 | 1 | - | BBC-3115R | BBC-5115R | |||||
0.375 | 0.500 | 2.50 | 2 | BBC-1125R | - | - | |||
0.500 | 0.500 | 2.75 | 2 | BBC-1130R | - | - | |||
0.625 | 0.500 | 2.75 | 2 | BBC-1135R | - | - | |||
0.375 | 1.000 | 2.50 | 2 | BBC-1140R | - | - | |||
0.500 | 1.000 | 2.75 | 2 | BBC-1145R | - | - | |||
0.625 | 1.000 | 2.75 | 2 | BBC-1150R | - | - | |||
0.500 | 1.500 | 4.00 | 2 | - | BBC-3155R | - | |||
0.625 | 1.500 | 4.00 | 2 | - | BBC-3160R | - | |||
0.500 | 2.000 | 5.00 | 2 | - | - | BBC-5165R | |||
0.625 | 2.000 | 5.00 | 2 | - | - | BBC-5170R |

USING DIAMOND SHAPED CDCD INSERTS
- Lead angle: 5°
- Minimum bore: .290
- Uses CDCD type inserts
- Shanks have locating flats for easy set-up
- Available in steel, heavy metal or carbide shanks
- Made in the USA
Steel Shank-4xD | Heavy Metal-6xD | Carbide Shank-8XD | ||||||
Min Bore |
A Boring Depth |
B Shank Dia |
C OAL |
Part Number | Part Number | Part Number | Screws | Wrench |
.290 | - | 0.250 | 3.000 | BBC-1175R | - | - | 19501 | TX-206 |
4.000 | - | BBC-3180R | BBC-5180R | |||||
5.000 | - | - | BBC-5185R | |||||
0.500 | 0.375 | 2.500 | BBC-1200R | - | - | |||
0.750 | 0.375 | 2.500 | BBC-1205R | - | - | |||
0.500 | 2.750 | BBC-1210R | - | - | ||||
1.000 | 0.375 | 2.500 | BBC-1215R | - | - | |||
1.250 | 0.375 | 2.500 | BBC-1220R | - | - | |||
0.500 | 2.750 | BBC-1225R | - | - | ||||
1.750 | 0.500 | 4.000 | - | BBC-3230R | - | |||
0.625 | 4.000 | - | BBC-3235R | - | ||||
2.500 | 0.500 | 5.000 | - | - | BBC-5240R | |||
0.625 | 5.000 | - | - | BBC-5245R |

Prices are pulled from our database in real time. Press Add button to see product price.
I.C. | T | R | Uncoated CM2 C1/C2 |
Coated CVM2 C1/C2 |
Uncoated CS7 C6/C7 |
Coated CV7 C6/C7 |
Coated TL120 |
.156 | .040 | .002 | US-701 | US-711 | US-706 | US-721 | US-731 |
.007 | US-702 | US-712 | US-707 | US-722 | US-732 | ||
.015 | US-703 | US-713 | US-708 | US-723 | US-733 |
Grade | Coating | Material | Operation |
CM2 | Uncoated | Non Ferrous Alloys, High Strength Steel Alloys | Finish |
CVM2 | TiN Coated | Non Ferrous materials, Stainless Steels | Semi-finish, Finish |
CS7 | UnCoated | Carbon Steels, Alloy Steels, Tool Steels | Semi-finish |
CV7 | TiN Coated | Steels, Stainless Steels | Semi FInish, Finish |
TL120 | TiAlN Coated | High Temp Alloys, Stainless Steels | Semi FInish, Finish |