Metal Cutting Tools: High Speed Steel & Solid Carbide > End Mills (ET03) - (25001 Products)
Brand: Helical Solutions / Part #: 81862
Item #: 98115322
Brand: Helical Solutions
Model #: 81862Product Specifications
  
  
 Mill Diameter (Inch)
 
1/4 
 
Corner Radius (Decimal Inch) 
0.0600 
 
Coating/Finish 
Tplus 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
5 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
3 
 
Length of Cut (Inch) 
1 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.2500 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
3.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.2500 
 
Shank Diameter (Inch) 
1/4 
 
Series 
End Mills for Stainless & High Temp - 5 Flute - Corner Radius - Variable Pitch 
Brand: Helical Solutions / Part #: 87508
Item #: 90013947
Brand: Helical Solutions
Model #: 87508Product Specifications
  
  
 Mill Diameter (Inch)
 
1/4 
 
Corner Radius (Decimal Inch) 
0.0150 
 
Corner Radius (Inch) 
1/64 
 
Coating/Finish 
Tplus 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
5 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
3 
 
Length of Cut (Inch) 
1 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.2500 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
3.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.2500 
 
Shank Diameter (Inch) 
1/4 
 
Series 
End Mills for Stainless & High Temp - 5 Flute - Corner Radius - Variable Pitch 
Brand: Ingersoll Cutting Tools / Part #: 3029501
Item #: 99511867
Brand: Ingersoll Cutting Tools
Model #: 3029501Product Specifications
  
  
 Corner Radius (Decimal Inch)
 
0.0100 
 
Coating/Finish 
TiAlN 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
4 
 
Overall Length (Inch) 
2-1/2 
 
Length of Cut (Inch) 
5/8 
 
Cutting Direction 
Right Hand 
 
Coolant Through 
No 
 
Mill Diameter (Decimal Inch) 
0.3120 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
2.5000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
0.6250 
 
Length Type 
Long 
 
Flute Type 
Helical 
 
Extended Reach 
No 
 
Shank Type 
Straight-Cylindrical 
 
Centercutting 
Yes 
 
Material Removal Type 
Finishing 
 
Shank Diameter (Decimal Inch) 
0.3120 
 
Minimum Helix Angle 
38 
 
Primary Workpiece Material 
Stainless Steel; Cast Iron; High Temperature Alloy; Steel 
 
Primary Workpiece Material Code 
P; S; K; M 
 
Material Grade 
IN2005 
 
Series 
47J_RC, 47D_RC 
Brand: Harvey Tool / Part #: 748620
Item #: 82834318
Brand: Harvey Tool
Model #: 748620Product Specifications
  
  
 Mill Diameter (Inch)
 
3/16 
 
Mill Diameter (Decimal Inch) 
0.1875 
 
Number Of Flutes 
2 
 
End Mill Material 
Solid Carbide 
 
Radius (Decimal Inch) 
0.0200 
 
Radius (mm) 
0.50 
 
Shank Type 
Cylindrical 
 
Flute Type 
Straight 
 
Shank Diameter (Inch) 
3/16 
 
Shank Diameter (Decimal Inch) 
0.1875 
 
Tip Diameter (Decimal Inch) 
0.1070 
 
Overall Length (Inch) 
2 
 
Overall Length (Decimal Inch) 
2.0000 
 
Flute Direction 
Right Hand 
 
Series 
Corner Rounding End Mills - 2 & 4 Flute - Flared 
 
Coolant Through 
No 
 
Single Or Double End 
Double 
 
Coating/Finish 
Uncoated 
Brand: Helical Solutions / Part #: 87506
Item #: 90012741
Brand: Helical Solutions
Model #: 87506Product Specifications
  
  
 Mill Diameter (Inch)
 
1/4 
 
Corner Radius (Decimal Inch) 
0.0100 
 
Coating/Finish 
Tplus 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
5 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
3 
 
Length of Cut (Inch) 
1 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.2500 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
3.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.2500 
 
Shank Diameter (Inch) 
1/4 
 
Series 
End Mills for Stainless & High Temp - 5 Flute - Corner Radius - Variable Pitch 
Brand: Titan USA / Part #: TC95733
Item #: 87712279
Brand: Titan USA
Model #: TC95733Product Specifications
  
  
 Mill Diameter (Decimal Inch)
 
0.4531 
 
Length of Cut (Inch) 
1 
 
End Mill Material 
Solid Carbide 
 
Coating/Finish 
TiN 
 
Chipbreaker 
No 
 
Number Of Flutes 
4 
 
End Type 
Ball 
 
Extended Reach 
No 
 
Helix Angle 
30 
 
Undercutting 
No 
 
Variable Index 
No 
 
Variable Helix 
No 
 
Shank Diameter (Inch) 
1/2 
 
Shank Diameter (Decimal Inch) 
0.5000 
 
Overall Length (Inch) 
3 
 
Overall Length (Decimal Inch) 
3.0000 
 
Flute Direction 
Right Hand 
 
Cutting Direction 
Right Hand 
 
Series 
General Purpose End Mills - Carbide - 4 Flute - Ball - 30? Helix 
 
Flute Type 
Upcut 
 
Centercutting 
Center Cutting 
 
Single Or Double End 
Single 
 
Coolant Through 
No 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
Brand: Harvey Tool / Part #: 748630
Item #: 70538103
Brand: Harvey Tool
Model #: 748630Product Specifications
  
  
 Mill Diameter (Inch)
 
3/16 
 
Mill Diameter (Decimal Inch) 
0.1875 
 
Number Of Flutes 
2 
 
End Mill Material 
Solid Carbide 
 
Radius (Decimal Inch) 
0.0300 
 
Shank Type 
Cylindrical 
 
Flute Type 
Straight 
 
Shank Diameter (Inch) 
3/16 
 
Shank Diameter (Decimal Inch) 
0.1875 
 
Tip Diameter (Decimal Inch) 
0.1070 
 
Overall Length (Inch) 
2 
 
Overall Length (Decimal Inch) 
2.0000 
 
Flute Direction 
Right Hand 
 
Series 
Corner Rounding End Mills - 2 & 4 Flute - Flared 
 
Coolant Through 
No 
 
Single Or Double End 
Double 
 
Coating/Finish 
Uncoated 
Brand: Titan USA / Part #: TC95735
Item #: 87712352
Brand: Titan USA
Model #: TC95735Product Specifications
  
  
 Mill Diameter (Decimal Inch)
 
0.4844 
 
Length of Cut (Inch) 
1 
 
End Mill Material 
Solid Carbide 
 
Coating/Finish 
TiN 
 
Chipbreaker 
No 
 
Number Of Flutes 
4 
 
End Type 
Ball 
 
Extended Reach 
No 
 
Helix Angle 
30 
 
Undercutting 
No 
 
Variable Index 
No 
 
Variable Helix 
No 
 
Shank Diameter (Inch) 
1/2 
 
Shank Diameter (Decimal Inch) 
0.5000 
 
Overall Length (Inch) 
3 
 
Overall Length (Decimal Inch) 
3.0000 
 
Flute Direction 
Right Hand 
 
Cutting Direction 
Right Hand 
 
Series 
General Purpose End Mills - Carbide - 4 Flute - Ball - 30? Helix 
 
Flute Type 
Upcut 
 
Centercutting 
Center Cutting 
 
Single Or Double End 
Single 
 
Coolant Through 
No 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
Brand: Titan USA / Part #: TC95734
Item #: 87712311
Brand: Titan USA
Model #: TC95734Product Specifications
  
  
 Mill Diameter (Decimal Inch)
 
0.4688 
 
Length of Cut (Inch) 
1 
 
End Mill Material 
Solid Carbide 
 
Coating/Finish 
TiN 
 
Chipbreaker 
No 
 
Number Of Flutes 
4 
 
End Type 
Ball 
 
Extended Reach 
No 
 
Helix Angle 
30 
 
Undercutting 
No 
 
Variable Index 
No 
 
Variable Helix 
No 
 
Shank Diameter (Inch) 
1/2 
 
Shank Diameter (Decimal Inch) 
0.5000 
 
Overall Length (Inch) 
3 
 
Overall Length (Decimal Inch) 
3.0000 
 
Flute Direction 
Right Hand 
 
Cutting Direction 
Right Hand 
 
Series 
General Purpose End Mills - Carbide - 4 Flute - Ball - 30? Helix 
 
Flute Type 
Upcut 
 
Centercutting 
Center Cutting 
 
Single Or Double End 
Single 
 
Coolant Through 
No 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
Brand: Titan USA / Part #: TC20332
Item #: 87755831
Brand: Titan USA
Model #: TC20332Product Specifications
  
  
 Mill Diameter (Fractional Inch)
 
1/2 
 
Mill Diameter (Decimal Inch) 
0.5000 
 
Number Of Flutes 
4 
 
Pitch 
Fine 
 
Length of Cut 
5/8 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
0.6250 
 
Shank Diameter (Inch) 
1/2 
 
Overall Length (Decimal Inch) 
2.5000 
 
Helix Angle 
30.00 
 
End Type 
Square 
 
Single Or Double End 
Single 
 
Cutting Direction 
Right Hand 
 
Flute Direction 
Right Hand 
 
Flute Type 
Helical 
 
Overall Length (Inch) 
2-1/2 
Brand: Helical Solutions / Part #: 00390
Item #: 83187021
Brand: Helical Solutions
Model #: 00390Product Specifications
  
  
 Mill Diameter (Inch)
 
3/8 
 
Mill Diameter (Decimal Inch) 
0.3750 
 
Number Of Flutes 
2 
 
Length of Cut (Inch) 
2 
 
End Mill Material 
Solid Carbide 
 
End Type 
Single 
 
Centercutting 
Yes 
 
Cutting Direction 
Right Hand 
 
Shank Diameter (Inch) 
3/8 
 
Finish/Coating 
Bright/Uncoated 
 
Overall Length (Inch) 
4 
 
Helix Angle 
45 
 
Chipbreaker 
No 
 
Variable Helix 
No 
 
Variable Index 
No 
 
Extended Reach 
No 
 
Shank Type 
Straight-Cylindrical 
 
Length of Cut (Decimal Inch) 
2.0000 
 
Material Grade 
Solid Carbide 
 
Shank Diameter (Decimal Inch) 
0.3750 
 
Overall Length (Decimal Inch) 
4.0000 
 
Flute Direction 
Right Hand 
 
Flute Type 
Helical Flute 
 
Series 
End Mills for Aluminum - 2 Flute - Square - 45? Helix 
Brand: Helical Solutions / Part #: 48390
Item #: 99150393
Brand: Helical Solutions
Model #: 48390Product Specifications
  
  
 Mill Diameter (Inch)
 
1/2 
 
Corner Radius (Decimal Inch) 
0.1250 
 
Corner Radius (Inch) 
1/8 
 
Coating/Finish 
Uncoated 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
3 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
3 
 
Length of Cut (Inch) 
1 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.5000 
 
Flute Direction 
Right Hand 
 
Helix Angle 
40 
 
Overall Length (Decimal Inch) 
3.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.5000 
 
Shank Diameter (Inch) 
1/2 
 
Series 
End Mills for Aluminum - 3 Flute - Corner Radius - 40? Helix - Variable Pitch 
Brand: Helical Solutions / Part #: 86389
Item #: 90812926
Brand: Helical Solutions
Model #: 86389Product Specifications
  
  
 Mill Diameter (Inch)
 
1/4 
 
Corner Radius (Decimal Inch) 
0.0600 
 
Coating/Finish 
Aplus 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
5 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
4 
 
Length of Cut (Inch) 
3/8 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.2500 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
4.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
0.3750 
 
Extended Reach 
Yes 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.2500 
 
Shank Diameter (Inch) 
1/4 
 
Reach Length (Decimal Inch) 
2.5000 
 
Reach Length (Inch) 
2-1/2 
 
Series 
End Mills for Steels - 5 Flute - Corner Radius - Variable Pitch - Reduced Neck 
Brand: Helical Solutions / Part #: 84225
Item #: 90988726
Brand: Helical Solutions
Model #: 84225Product Specifications
  
  
 Mill Diameter (Inch)
 
1/4 
 
Corner Radius (Decimal Inch) 
0.0100 
 
Coating/Finish 
Uncoated 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
5 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
3 
 
Length of Cut (Inch) 
1 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.2500 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
3.0000 
 
Chipbreaker 
Yes 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.2500 
 
Shank Diameter (Inch) 
1/4 
 
Series 
End Mills for Aluminum - 5 Flute - Corner Radius - Chipbreaker Rougher - Variable Pitch - For High Efficiency Milling 
Brand: Helical Solutions / Part #: 87152
Item #: 83771162
Brand: Helical Solutions
Model #: 87152Product Specifications
  
  
 Mill Diameter (Inch)
 
1/4 
 
Corner Radius (Decimal Inch) 
0.0300 
 
Coating/Finish 
Tplus 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
7 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
3 
 
Length of Cut (Inch) 
1 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.2500 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
3.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
No 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.2500 
 
Shank Diameter (Inch) 
1/4 
 
Series 
End Mills for Stainless & High Temp - 7 Flute - Corner Radius - Variable Pitch 
Brand: Helical Solutions / Part #: 59311
Item #: 99088114
Brand: Helical Solutions
Model #: 59311Product Specifications
  
  
 Mill Diameter (Inch)
 
3/8 
 
Corner Radius (Decimal Inch) 
0.0900 
 
Coating/Finish 
Aplus 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
6 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
3 
 
Length of Cut (Inch) 
1 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.3750 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
3.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
1.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.3750 
 
Shank Diameter (Inch) 
3/8 
 
Series 
End Mills for Steels - 6 Flute - Corner Radius - Variable Pitch 
Brand: Helical Solutions / Part #: 46241
Item #: 99101529
Brand: Helical Solutions
Model #: 46241Product Specifications
  
  
 Mill Diameter (Inch)
 
3/8 
 
Corner Radius (Decimal Inch) 
0.0900 
 
Coating/Finish 
Zplus 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
3 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
3 
 
Length of Cut (Inch) 
1/2 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.3750 
 
Flute Direction 
Right Hand 
 
Helix Angle 
40 
 
Overall Length (Decimal Inch) 
3.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
0.5000 
 
Extended Reach 
Yes 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.3750 
 
Shank Diameter (Inch) 
3/8 
 
Reach Length (Decimal Inch) 
1.1250 
 
Reach Length (Inch) 
1-1/8 
 
Series 
End Mills for Aluminum - 3 Flute - Corner Radius - 40? Helix - Variable Pitch - Reduced Neck 
Brand: Helical Solutions / Part #: 87014
Item #: 86687571
Brand: Helical Solutions
Model #: 87014Product Specifications
  
  
 Mill Diameter (Inch)
 
3/8 
 
Corner Radius (Decimal Inch) 
0.0200 
 
Corner Radius (mm) 
0.50 
 
Coating/Finish 
Uncoated 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
3 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
4 
 
Length of Cut (Inch) 
2 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.3750 
 
Flute Direction 
Right Hand 
 
Helix Angle 
40 
 
Overall Length (Decimal Inch) 
4.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
2.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.3750 
 
Shank Diameter (Inch) 
3/8 
 
Series 
End Mills for Aluminum - 3 Flute - Corner Radius - 40? Helix - Variable Pitch 
Brand: Helical Solutions / Part #: 86388
Item #: 90307505
Brand: Helical Solutions
Model #: 86388Product Specifications
  
  
 Mill Diameter (Inch)
 
1/4 
 
Corner Radius (Decimal Inch) 
0.0300 
 
Coating/Finish 
Aplus 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
5 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
4 
 
Length of Cut (Inch) 
3/4 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.2500 
 
Flute Direction 
Right Hand 
 
Overall Length (Decimal Inch) 
4.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
0.7500 
 
Extended Reach 
Yes 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.2500 
 
Shank Diameter (Inch) 
1/4 
 
Reach Length (Decimal Inch) 
2.1250 
 
Reach Length (Inch) 
2-1/8 
 
Series 
End Mills for Steels - 5 Flute - Corner Radius - Variable Pitch - Reduced Neck 
Brand: Helical Solutions / Part #: 87006
Item #: 86687563
Brand: Helical Solutions
Model #: 87006Product Specifications
  
  
 Mill Diameter (Inch)
 
3/8 
 
Corner Radius (Decimal Inch) 
0.0100 
 
Coating/Finish 
Uncoated 
 
End Mill Material 
Solid Carbide 
 
Number Of Flutes 
3 
 
Single Or Double End 
Single 
 
Overall Length (Inch) 
4 
 
Length of Cut (Inch) 
2 
 
Cutting Direction 
Right Hand 
 
Mill Diameter (Decimal Inch) 
0.3750 
 
Flute Direction 
Right Hand 
 
Helix Angle 
40 
 
Overall Length (Decimal Inch) 
4.0000 
 
Chipbreaker 
No 
 
End Type 
Corner Radius 
 
Length Of Cut (Decimal Inch - 4 Decimals) 
2.0000 
 
Extended Reach 
No 
 
Shank Type 
Round 
 
Centercutting 
Yes 
 
Variable Index 
Yes 
 
Variable Helix 
No 
 
Shank Diameter (Decimal Inch) 
0.3750 
 
Shank Diameter (Inch) 
3/8 
 
Series 
End Mills for Aluminum - 3 Flute - Corner Radius - 40? Helix - Variable Pitch 
 
               
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
         
        