PRODUCTS
            Carbide Drill Bits For High Hardness Steel
Product Number:HD - 3xD Carbide Drill For High Hardness Steel - Without Coolant Hole , Size Range: 3mm~14mm , Point Angle: 140°
		█Features:  ①Small helix angle ②Special geometry ③Large core thickness     → Superior drilling performance for above HRC45 steel & High rigidity. █Application: Carbon steel , Alloy steel , Pre-harden steel ~45HR , High-hardened ~60HRC      	
        
         
        
        
        
        
           
		
        
   
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        ►HD
♦Size Range: Ø3-14mm
♦Point Angle: 140º
Features - Small helix angle
 - Special geometry
 - Large core thickness
 

Application 
◎ Excellent ○ GoodITEM Carbon steel, 
Alloy steelPre-harden steel 
~45HRHigh-hardened 
~60HRCHigh-hardened 
~65HRCStainless steel Cast iron Cooper alloy Aluminum alloy Titanium alloy Nickel/ 
Inconel alloyHD ◎ ◎ ◎ ○ 
PVD Coating (nACo) 
nACo Nanocomposite coating process.- Perfect coating structure.
 - High hardness.
 - High adhesion.
 - Adding Si into nACo structure makes atom structuremore completed with high hard-wearing and tools with more longer life.
 

AlTiN vs nACo comparisonS.T Coating Typical Thickness(£g) Nanohardness up to (GPa) Max Service Temp(¢J) Friction coefficient AlTiN 2~4 35 800 0.6 nACo 2~4 45 1200 0.35 
Package & Shipping 
Delivery :
Generally, it is 5-7 days if the goods are in stock.
It is 15-20 days if the goods are not in stock, it is according to quantity.


https://www.speedtigertools.com/inquiry/

The Guide to Buying Carbide Drill Bits, Choose the right one for your job! - 
        
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