Click here for insert grade descriptions
 Insert #
 I.C.
T
R
Insert Grade
 1.000  
 .250 
 .031
 X33, X40
Insert
Information
Flat Bottom Drill
Speed & Feed Info.
E-mail: Info@ktoolinc.com
Phone# 800-377-3056
SPEB / Chipbreaker Inserts
K-Tool, Inc. Indexable carbide insert SPEB-chipbreaker insert drawing
- 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
 Material
S.F.M.
I.P.R.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117,1141,12L14
  800 -1200 
  .003 - .005 
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100,8620
  500 - 800 
  .003 - .005 
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
  400 - 700 
  .003 - .005 
Tool Steel
Ex. A-2, A-6, D-2, M-2
  300 - 600  
  .002 - .004 
Stainless Steel
Ex.304, 316, 420, 15-5PH, 17-4PH
  300 - 600  
  .002 - .004 
Iron
Ex. Cast, Ductile, Nodular
  600 -1000
  .003 - .006 
Nickel &Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
  120 -180  
  .002 - .003 
Non-Ferrous metals
Ex. Aluminum, Bronze, Brass 
  1000 - 2500
  .004 - .008 
2.750 - 3.000 Dia.
to remove nib
K-Tool, Inc.
FB
Flat Bottom
Drills
 Tool #
 D  
Flutes
 L-1 
 D.O.C.  
 S
Insert
Coolant Plug
 Screw  
 Wrench  
 FB-2750  
 2.750 
 2 Flutes \ 1 Effective  
 10.125 
 6.625 
5.500 
 2.000 
 SPEB-842CB 
 NPT 3/8
1412T
   T-532
 FB-3000  
 3.000 
 2 Flutes \ 1 Effective  
 10.625 
 7.125 
6.000 
 2.000 
 SPEB-842CB 
 NPT 3/8
1412T
   T-532
 FB-3500  
 3.500 
 2 Flutes \ 1 Effective  
 11.625 
 8.125 
7.000 
 2.000 
 SPEB-842CB 
 NPT 3/8
1412T
   T-532
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 an angled surface
drilling from solid
on a rounded
or uneven surface
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
Back
Side & rear
coolant ports
K-Tool, Inc. Indexable flat bottom drill
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
Screw Torque
Information
Available Tool
Modifications
Coolant thru standard
0
K-Tool, Inc. indexable flat bottom drill tool drawing
S
L
L-1
D.O.C.
D

Flat Bottom Drills
2.750 to 3.500 Diameter

2:1 Ratio

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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