Page 405 - Master Catalog 2017, Inch

Small Hole Boring
Catalog Numbering System

By referencing this easy-to-use guide, you can
identify the correct product to meet your needs.

CDHB120605

06 05

Thickness Corner Hand of Insert Cutting Edge Condition Tip Style
Radius “R¡” (optional) or Chip Control Features (optional)
(optional)

symbol thickness corner R = Right hand HP = High positive Symbol
inch inch symbol radius
inch inch L = Left hand LF = Light fi nishing M
06 .040
X0 .0015 Usage
1 .0625
0 .004
12 .0781 Mini tip
05 .008
15 .0938
1 .0156
2 .1250
13 .021
25 .1563
2 .0313
24 .037
3 .0469
4 .0625

± Tolerance on “D” ± Tolerance on “B”
Class U Class U
Class M Tolerance Class M Tolerance
Tolerance Tolerance
Shapes Shapes
S, T, C, Shape Shape Shapes S, T, C, Shape Shape Shapes S,
“D” R, & W D V S, T, & C “D” R, & W D V T, & C
inch inch inch inch inch inch inch inch inch inch
5/32 .002 – – – 5/32 .003 – – –
3/16 .002 – – .003 3/16 .003 – – .005
7/32 .002 .002 .002 .003 7/32 .003 .004 – .005
1/4 .002 .002 .002 .003 1/4 .003 .004 – .005
5/16 .002 .002 .002 .003 5/16 .003 .004 – .005
3/8 .002 .002 .002 .003 3/8 .003 .004 .007 .005
7/16 .003 .003 .003 .005 7/16 .005 .006 – –
1/2 .003 .003 .003 .005 1/2 .005 .006 .010 .008
9/16 .003 .003 .003 .005 9/16 .005 .006 – –
5/8 .004 .004 .004 .007 5/8 .006 .007 – .011
11/16 .004 .004 .004 .007 11/16 .006 .007 – .011
3/4 .004 .004 .004 .007 3/4 .006 .007 – .011
7/8 .005 – – .010 7/8 .006 – – .015
1 .005 – – .010 1 .007 – – .015
1 1/4 .006 – – .010 1 1/4 .008 – – .015

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