1/4 Inch Cobalt Drill Bit Set, HSS M35, Industrial Grade, TiAlN Coated

About this product

1/4" Diameter for Versatile Drilling: One of the most common sizes for metal drilling Superior Hardness & Durability: Made from M35 cobalt HSS with 5% cobalt, heat-treated to HRC 72 for long-lasting sharpness and resistance to wear Heat-Blocking TiAlN Coating: Withstands temperatures up to 1000°C. Prevents the drill tip from overheating and losing its temper, even when drilling stainless steel continuously 135° Split Point for No-Walk Starts: Self-centering design eliminates the need for a center punch, giving you accurate holes on smooth metal surfaces Versatile Flute Length: 2-3/4" working length provides good chip clearance for most metal thicknesses, from sheet metal to 1/2" plate The drill bits use a dual-layer design for security and durability. The outer clamshell is ultrasonically welded, making tampering evident and ensuring factory-fresh arrival. Inside, a custom storage box prevents metal-on-metal contact, protecting bit edges and coatings. The box also serves as a permanent organizer, keeping bits separated by size. This system guarantees product integrity at purchase and offers a reusable storage solution for the bits' lifetime