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System of Measurement System of Measurement 


Size Size 




Decimal Size Equivalent Decimal Size Equivalent  Show 


Decimal Size Equivalent Decimal Size Equivalent  Hide 

For Use On For Use On 

Length Class Length Class 

Jobbers' Length 
Short Length 
Extended Length 
Maintenance Length 
Shank Type Shank Type 

Round  
Hex  
SDS Plus  
Quick Change Hex  
Morse Taper  
Threaded 
Material Material 


Finish Finish 


Bit Style Bit Style 

Spiral Flute  
Parabolic Spiral Flute  
Multidiameter  
Straight Flute  
Open Spiral Flute  
Spear  
Hollow  
Individual/Set Individual/Set 


Overall Length Overall Length 

Flute Direction Flute Direction 

Right Hand 
Left Hand 
Maximum Drilling Depth Maximum Drilling Depth 

DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) 

For Drilling Type For Drilling Type 


For Maximum Hardness For Maximum Hardness 


Drill Bit Decimal Size Equivalents
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