Small Hole Boring Bars
Catalogue Numbering System
How Do Catalogue Numbers Work?
Each character in our catalogue number signifi es a specifi c trait of that
product. Use the following key columns and corresponding images
to easily identify which attributes apply.
CSBM5210125R
C S B M
Series Type Bar Type Bar Style Designation Units
M = Metric
Insert Shape
(optional)
C
C
W
S = Steel
(with coolant)
F
G
L
Q
C = Carbide
(with coolant)
B O
Boring Bar Offset Boring Bar
C P
External
Chamfering Bar Profi ling Bar
I R
Internal
Threading Bar Reverse Chamfer
or Back Chamfer Bar
M
S
D8
widia.com
Offset Internal
Grooving Bar