E-mail: Info@ktoolinc.com
Phone# 800-377-3056
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Advantages of K-Tool, Inc.
Adjustable Counterbore Tools
K-Tool, Inc.
CH
Adjustable
Counterbore
Tools
 Applications: Counterboring

 (1) 5 Tool Bodies Cover .600 Dia. To 1.687 Dia.
 (2) Cuts Down on Cost for special tooling
 (3) Ideal for short run jobs with Odd Diameters
 (4) Cut a Flat Bottom Within .001
 (5) 4 Cutting Edges Per Insert
 Tool #
D 
Flutes 
 X  
 L 
L-1 
 D.O.C. 
 S
Insert
 Screw  
 Wrench  
CH-600-750 
 .600 to .750 
 .172 
 3.500 
 1.500 
 1.250 
 .750 
SPEB-1511CB
 164T
T-6

Adjustable Counterbore Tools

Adjustable Counterbore Tool
Speed & Feed Info.
 Material
S.F.M.
I.P.T.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117,1141,12l14
 800 -1200 
 .002 - .003 
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100,8620
 500 - 800 
 .002 - .003 
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
 400 - 700 
 .002 - .003 
Tool Steel
Ex. A-2, A-6, D-2, M-2
 300 - 600  
 .001 - .003 
Stainless Steel
Ex.304, 316, 420, 15-5PH, 17-4PH
 300 - 600  
 .001 - .002 
Iron
Ex. Cast, Ductile, Nodular
 600 -1000
 .002 - .003 
Nickel &Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
 120 -180  
 .001 - .002 
Non-Ferrous metals
Ex. Aluminum, Bronze, Brass 
 1000 - 2500
 .002 - .004 
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Counterboring
Cartridge #
 Cartridge Screw 
Adjustment Screw 
CH-1511 
 #63212 
5-40 x 1/4 
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D.O.C.
L-1
L
0
o
X
D
S
Cartridge #
 Cartridge Screw 
Adjustment Screw 
CH-221
 #103262
5-40 x 1/4 
 Tool #
D 
Flutes 
 X  
 L 
L-1 
 D.O.C. 
 S
Insert
 Screw  
 Wrench  
CH-750-937 
 .750 to .937 
 .235 
 3.750 
 1.750 
 1.375 
 .750 
SPEB-221CB
 300T
T-8
Cartridge #
 Cartridge Screw 
Adjustment Screw 
CH-2522
 #103262
5-40 x 1/4 
 Tool #
D 
Flutes 
 X  
 L 
L-1 
 D.O.C. 
 S
Insert
 Screw  
 Wrench  
CH-937-1187 
 .937 to 1.187 
 .280 
 4.500 
 2.250 
 1.875 
 1.000 
SPEB-2522CB
 300T
T-8
 Tool #
D 
Flutes 
 X  
 L 
L-1 
 D.O.C. 
 S
Insert
 Screw  
 Wrench  
CH-1187-1437 
1.187 to 1.437 
 .465 
 4.500 
 2.250 
 1.875 
 1.000 
SPEB-432CB
 638T
T-15
Cartridge #
 Cartridge Screw 
Adjustment Screw 
CH-432
 #142878
6-32 x 1/4 
Cartridge #
 Cartridge Screw 
Adjustment Screw 
CH-432
 #142878
6-32 x 3/8 
 Tool #
D 
Flutes 
 X  
 L 
L-1 
 D.O.C. 
 S
Insert
 Screw  
 Wrench  
CH-1437-1687 
1.437 to 1.687 
 .465 
 4.500 
 2.250 
 1.875 
 1.000 
SPEB-432CB
 638T
T-15
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Adjustment
Screw

Cartridge Style Counterbore Tools

Click here for insert grade descriptions
 Insert #
 I.C.
T
R
Insert Grades
 .187
 .082
 .015
  X33, X40
 .250
 .125
 .015
  X33, X40
 .312
 .125
 .031
  X33, X40
 .500
 .187
 .031
  X33, X40
Insert
Information
SPEB / Chipbreaker Inserts
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K-Tool, Inc.
Made in the USA
Phone# 800-377-3056
E-mail: Info@ktoolinc.com