System of Measurement System of Measurement 



Size Size 

Decimal Size Equivalent Decimal Size Equivalent 


For Use On For Use On 

Material Material 



Finish Finish 


Shank Type Shank Type 

Round  Reduced Round 
Hex  Morse Taper 
QuickChange Hex  Threaded 
Length Class Length Class 

Short Length 
Maintenance Length 
Jobbers' Length 
Reduced Shank Length 
Extended Length 
Taper Shank Length 
Bit Style Bit Style 

Spiral Flute  
Parabolic Spiral Flute 
Individual/Set Individual/Set 


Body Diameter Body Diameter 


Shank Size Shank Size 


Overall Length Overall Length 


Maximum Drilling Depth Maximum Drilling Depth 


Flute Direction Flute Direction 

Right Hand 
Left Hand 
For Drill Bit Size For Drill Bit Size 

Shank Diameter Shank Diameter 

Point Style Point Style 

Split 
Standard 
Brad 
Four Facet 