Click here for insert grade descriptions
 Insert #
 I.C.
T
R
Insert Grades
 .312
 .125
 .031
 X33, X40
Insert
Information
Flat Bottom Drill
Speed & Feed Info.
Advantages of K-Tool Inc.
Flat Bottom Drills
 Applications: Drilling - Counterboring - Scalloping

Standard Tools Can be Modified to any Diameter Between .472 - 3.500 in 2-3 Days!

 (1) Drill From Solid or Counterbore an Existing Hole
 (2) Cut a Flat Bottom Within .001
 (3) Extremely Free Cutting High Positive Geometry
 (4) Excellent Part Finishes
 (5) 4 Cutting Edges Per Insert
 (6) Able Drill Holes Entering on Angles & Offset Radii
 (7) Inboard Insert Drills Center, Outboard Insert Cuts Outside Diameter
 (8) Drills .500 Dia. to 2.500 Dia. Available in 2:1 & 3:1 Length to Dia. Ratio
 (9) Drills 2.750 Dia. to 3.500 Dia. Available in 2:1 Length to Dia. Ratio
 (10) R.H. Helix Flutes with Large Hole Through Coolant, for Chip Evacuation
 (11) Two Coolant Ports for Lathe & Through Spindle Coolant Machines
 (12) Line up Outside Insert with Lathe Axis for Counter Boring After Drilling
E-mail: Info@ktoolinc.com
Phone# 800-377-3056
SPEB / Chipbreaker Inserts
K-Tool, Inc. Indexable carbide insert SPEB-chipbreaker insert drawing ktool%20small.png
Available Tool
Modifications
- Modified Diameters
- Center cutting Insert Shifted
- Reduced shank Diameters
Normal Delivery
On Modified Tools
is 2 - 3 days
Drilling
thru Hole
Scalloping
Counterboring
Flat bottom drill aplication: Counterboring Flat bottom drill aplication: Drilling A thru hole Flat bottom drill aplication: Scalloping
.875 - 1.125 Dia.
0
to remove nib
 Tool #
 D  
Flutes
 L-1 
 D.O.C.  
 S
Insert
Coolant Plug
 Screw  
 Wrench  
FB-875 
 .875 
 2 Flutes \ 1 Effective  
 5.000 
 2.750 
 1.750 
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-875-3 
 .875 
 2 Flutes \ 1 Effective  
 5.750 
 3.500 
 2.625 
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-937 
 .937 
 2 Flutes \ 1 Effective  
 5.000 
 2.750 
 1.875 
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-937-3 
 .937 
 2 Flutes \ 1 Effective  
 6.000 
 3.750 
 2.812 
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-984 
 .984 
 2 Flutes \ 1 Effective  
 5.250 
 3.000 
 2.000 
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-984-3
 .984 
 2 Flutes \ 1 Effective  
 6.125 
 3.875 
 2.950
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-1000
 1.000 
 2 Flutes \ 1 Effective  
 5.250 
 3.000 
 2.000
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-1000-3
 1.000 
 2 Flutes \ 1 Effective  
 6.250 
 4.000 
 3.000
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-1062
 1.062 
 2 Flutes \ 1 Effective  
 5.250 
 3.000 
 2.125
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-1062-3
 1.062 
 2 Flutes \ 1 Effective  
 6.250 
 4.000 
 3.187
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-1125
 1.125 
 2 Flutes \ 1 Effective  
 5.250 
 3.000 
 2.250
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
FB-1125-3
 1.125 
 2 Flutes \ 1 Effective  
 6.375 
 4.125 
 3.375
 1.000 
 SPEB-2522CB
 NPT 1/8
314T
   T-8
Flat bottom drill aplication: Drilling from solid on an uneven surface Flat bottom drill aplication: Drilling from solid on a rounded surface
Drilling from solid
on a rounded
or uneven surface
Coolant thru standard
Side & rear
coolant ports
To maintain correct drill diamter
indicate drill to spindle center
Do Not Drill stacked plates
Do Not Drill
Stacked Plates
For lathe applications
Flat bottom drill aplication: Drilling A Flat Bottom
Flat Bottom
Drilling
K-Tool, Inc. Indexable flat bottom drill
Back
K-Tool, Inc. Indexable flat bottom dril K-Tool, Inc. indexable flat bottom drill tool drawing
S
L
L-1
D.O.C.
D

Flat Bottom Drills
.875 to 1.125 Diameter

2:1 & 3:1 Ratio

Screw Torque
Information
Drilling from solid
on an angled surface
K-Tool, Inc.
FB
Flat Bottom
Drills
 Material
S.F.M.
I.P.R.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117,1141,12L14
  800 -1200 
  .002 - .004 
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 - .003 
Iron
Ex. Cast, Ductile, Nodular
  600 -1000
  .002 - .005 
Nickel &Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
  120 -180  
  .001 - .002 
Non-Ferrous metals
Ex. Aluminum, Bronze, Brass 
  1000 - 2500
  .003 - .006 
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Flat Bottom Drill Video
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K-Tool, Inc.
Made in the USA
Phone# 800-377-3056
E-mail: Info@ktoolinc.com