Alpha 21/64” HSS Jobber Drill Bit

When you go to buy a drill bit, what are you needing? Just a drill? or do you actually want HOLES? Rigorous independent testing has proven that the Gold Series Drills outperform other Australian drills on the market by more than 30% - giving you more holes for your dollar in every single drill bit!   

Drill Features
- M2 HSS Fully ground M2 HSS material increases drill life 
- Titanium Nitride coating reduces heat and increases lubricity for extended life 
- 135 Degree Split Point cuts faster and reduces wandering 
- Alpha Gold Series Drills are packaged in a reusable plastic hang pack, keeping your drills safe, clean and dry.   

Technical Data
Overall Length  117mm      
Flute Length  85mm      
Stainless Steel RPM  458      
Tool Steel RPM  687      
Cast Iron RPM  916      
Malleable Iron RPM ; 1031 ;  ;  ; ;
Medium Carbon Steel RPM ; 1145 ;  ;  ; ;
Free Cutting Steel RPM ; 1641 ;  ;  ; ;
Alum, Brass, Plastic RPM ; 2445 ;  ;  ; ;
Wood RPM ; 3473 ;  ;  ; ;
Feed per RPM (mm / rev) ; .15-.25 ;  ;  ; ;
Standard pack Qty ; 5 ;