Cobalt M35 imperial 1/4” drill bits for metal by TTP HARD drills | Pack of 10 x 1/4” cobalt drill bits | added cobalt for drilling harder metals |Easy to use & long life | Easily drill chrome, stainless steel, hardox 450, cast iron and aluminium | Heavy duty and designed for drilling harder metals and alloys | maintains cutting abilities at higher temperatures | reduced heat build up | can be resharpened | Certificate of Hardness from SGS Testing

TTP HARD Drills 1/4 Drill bit - Cobalt Hardened bits for Drilling Hard Steel & Stainless, Heavy Duty Universal Drills for Cutting Tough Metal, Professional jobber Industrial 135 Degree Point

Sabre Tools 1/16 Inch Cobalt Drill Bit Set - 5pcs M35 Metal Bits With Split Point Tip for Steel, Hard Metal, Cast Iron (1/16" x 1-3/4")

Cobalt Drill Bits for Metal and Steel - 13 Piece Set in SAE Sizes (1/16" - 1/4") M35 Fully Grounded 5% Cobalt - Plastic Storage Case Included