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

REDUCED NECK BORING BARS
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
Prices are pulled from our database in real time. Press Add button to see product price.
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
*Circle is a registered trademark of Circle Machine Company
REDUCED NECK BORING BARS
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
Prices are pulled from our database in real time. Press Add button to see product price.
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
*Circle is a registered trademark of Circle Machine Company
CDCD INSERTS
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 SELECTION CHART
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