E-mail: Info@ktoolinc.com
Phone# 800-377-3056
Click here for insert grade descriptions
 Insert #
 I.C.
T
R
Insert Grades
 .187
 .082
 .015
 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. 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 Application: Counterboring Flat Bottom Drill: Drilling Thru Hole Flat bottom Drill Application: Scalloping
 Material
S.F.M.
I.P.R.
Mild & Low Carbon Steel
Ex. 1018, 1020, 1117,1141,12L14
 800 - 1200 
  .001 - .003 
High Carbon & Alloy Steel
Ex. 1045, 4140, 4340, 52100,8620
 500 - 800 
  .001 - .003 
Lower Carbon Tool Steel
Ex. P-20, H-13, S-7
 400 - 700 
  .001 - .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 - .003 
Nickel &Titanium Alloy
Ex. Inconel, Hastelloy, TI-6AL-4V
 120 -180  
  .001 - .0015 
Non-Ferrous metals
Ex. Aluminum, Bronze, Brass 
 1000 - 2500
  .002 - .003 
.500 - .656 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-500 
 .500 
 2 Flutes \ 1 Effective  
 4.000 
 2.000 
 1.125 
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-500-3 
 .500 
 2 Flutes \ 1 Effective  
 4.500 
 2.500 
 1.500 
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-531 
 .531 
 2 Flutes \ 1 Effective  
 4.000 
 2.000 
 1.125 
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-531-3 
 .531 
 2 Flutes \ 1 Effective  
 4.500 
 2.500 
 1.593 
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-562
 .562 
 2 Flutes \ 1 Effective  
 4.000 
 2.000 
 1.125
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-562-3
 .562 
 2 Flutes \ 1 Effective  
 4.625 
 2.625 
 1.687
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-593
 .593 
 2 Flutes \ 1 Effective  
 4.000 
 2.000 
 1.187
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-593-3
 .593 
 2 Flutes \ 1 Effective  
 4.687 
 2.687 
 1.812
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-625
 .625 
 2 Flutes \ 1 Effective  
 4.250 
 2.250 
 1.375
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-625-3
 .625 
 2 Flutes \ 1 Effective  
 4.750 
 2.750 
 1.875
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-656
 .656 
 2 Flutes \ 1 Effective  
 4.250 
 2.250 
 1.375
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
FB-656-3
 .656 
 2 Flutes \ 1 Effective  
 4.875 
 2.875 
 2.000
 .750 
 SPEB-1511CB
 NPT 1/8
164T
   T-6
Fat Bottom Drill Application: Drilling On An Angled Surface Flat Bottom Drill Application: Drilling from solid on a rounded surface
drilling from solid
on an angled surface
drilling from solid
on a rounded
or uneven surface
k-tool_doc154007.jpg
S
L
L-1
D.O.C.
D
Coolant thru standard
Side & rear
coolant ports
k-tool_doc154006.jpg
To maintain correct drill diamter
indicate drill to spindle center
k-tool_doc154005.jpg
Do Not Drill
Stacked Plates
For lathe applications
Flat Bottom Drill Application: Drilling Flat Bottom
Flat Bottom
Drilling
k-tool_doc154003.jpg k-tool_doc154002.jpg
Back

Flat Bottom Drills
.500 to .656 Diameter

2:1 & 3:1 Ratio

Screw Torque
Information
k-tool_doc154001.jpg
Flat Bottom Drill Video
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