Click here for insert grade descriptions
 Insert #
 I.C.
T
R
Insert Grade
 .625  
 .187 
 .031
    X33, X40
 .750
 .220 
 .031
    X33, X40
Insert
Information
Flat Bottom Drill
Speed & Feed Info.
Advantages of K-Tool Inc.
Flat Bottom Drills
E-mail: Info@ktoolinc.com
Phone# 800-377-3056
SPEB / Chipbreaker Inserts
K-Tool, Inc. Indexable carbide insert SPEB-chipbreaker insert drawing
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
 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 
1.875 - 2.500 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-1875
 1.875
 2 Flutes \ 1 Effective  
 8.000 
 5.000 
3.750 
 1.500 
 SPEB-532CB 
 NPT 1/4
838T
   T-20
FB-1875-3
 1.875
 2 Flutes \ 1 Effective  
 9.875 
 6.875 
5.625 
 1.500 
 SPEB-532CB 
 NPT 1/4
838T
   T-20
FB-2000
 2.000
 2 Flutes \ 1 Effective  
 8.125 
 5.125 
4.000 
 1.500 
 SPEB-6352CB 
 NPT 3/8
1012T
   T-25
FB-2000-3
 2.000
 2 Flutes \ 1 Effective  
 10.125 
 7.125 
6.000
 1.500 
 SPEB-6352CB 
 NPT 3/8
1012T
   T-25
FB-2125
 2.125
 2 Flutes \ 1 Effective  
 9.125 
 5.625 
4.500
 2.000 
 SPEB-6352CB 
 NPT 3/8
1012T
   T-25
FB-2250
 2.250
 2 Flutes \ 1 Effective  
 9.125 
 5.625 
4.500
 2.000 
 SPEB-6352CB 
 NPT 3/8
1012T
   T-25
FB-2250-3
 2.250
 2 Flutes \ 1 Effective  
 12.125
 8.625 
6.750
 2.000 
 SPEB-6352CB 
 NPT 3/8
1012T
   T-25
FB-2375
 2.375
 2 Flutes \ 1 Effective  
 9.625
 6.125 
5.000
 2.000 
 SPEB-6352CB 
 NPT 3/8
1012T
   T-25
FB-2500
 2.500
 2 Flutes \ 1 Effective  
 9.625
 6.125 
5.000
 2.000 
 SPEB-6352CB 
 NPT 3/8
1012T
   T-25
FB-2500-3
 2.500
 2 Flutes \ 1 Effective  
 12.875
 9.375 
7.500
 2.000 
 SPEB-6352CB 
 NPT 3/8
1012T
   T-25
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
K-Tool, Inc. Indexable flat bottom drill K-Tool, Inc. Indexable flat bottom drill
 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

Flat Bottom Drills
1.875 to 2.500 Diameter

2:1 & 3:1 Ratio

Screw Torque
Information
Back
K-Tool, Inc. indexable flat bottom drill tool drawing
S
Coolant thru standard
0
Side & rear
coolant ports
L
L-1
D.O.C.
D
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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