Cobalt Drill Bit Set, 29 Pcs, M35 High Speed Steel Cobalt Drill Bits with Storage Case, for Drilling Metal, Stainless Steel, Aluminum Alloy, Wood, Plastic, for Professional Work and Home DIY Garages Convenient to Use & Heat

Convenient to Use & Heat

Uncurled hand chain cover also helps you get rid of the stuck chain

Weather-Proof & Burst-Proof: Our backwash drain hose adopts high-strength PVC fiber

5 in/140 mm

5 x 15 x 8

Cobalt Drill Bit Set, 29 Pcs, M35 High Speed Steel Cobalt Drill Bits with Storage Case, for Drilling Metal, Stainless Steel, Aluminum Alloy, Wood, Plastic, for Professional Work and Home DIY Garages Convenient to Use & HeatDrill with Precision and Power Crafted from 5% cobalt high speed steel, these cobalt drill bits provide excellent wear resistance and heat stability, staying sharp and reliable even during high intensity work. This extends the lifespan of the bits and improves overall work efficiency. The 135 split point optimizes cutting force distribution, reducing hole deviation and surface roughness. The twisted design of the metal drill bit speeds up chip