cobalt drill bits for metal

Drilling Accessories I Metal Drilling- Cobalt Drill Bits. Cobalt steel alloys are variations on high speed steel which contain more cobalt. Cobalt and titanium drill bits are designed for speed and longevity. Cobalt drill bits are made from cobalt steel blended with a fairly large percentage
of cobalt. With an industrial-grade cobalt finish for drilling in stainless steel and other
abrasive metals, these bits are designed to reduce lock-up on breakthrough, and
also . The Northern Industrial cobalt-coated drill bits are engineered to outlast standard
bits. Heavy duty web construction 8% cobalt for
hardness & abrasion resistance. Jobber, metric, number, letter, decimal, cobalt or carbide fractional drill bits. See more detail at http://cobalt.drill.bits.for.metal.bestcheaphanddrills.com