M35 Cobalt Drill Bits 5% Cobalt High Speed Steel, designed for drilling hard metals. Lasts 12x Longer Cobalt drills have a greater resistance to heat, providing longer tools life. Lasts 12x longer than the average high speed steel drill in metal-cutting applications. 135° Split Point Split point drills prevent walking at the starting surface. Center punch not needed. Application Designed for long life when drilling in hard metals, including stainless steel. 29-Piece Set 5-Piece Left Hand Set Cobalt Silver & Deming Drills 15-Piece Set Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.1 out of 5 stars 23 4.3 out of 5 stars 112 4.2 out of 5 stars 32 3.2 out of 5 stars 5 Price $123.00$123.00 $29.99$29.99 — no data $89.99$89.99 Best Use Jobber length drills for general-purpose drilling in metals Mechanic's length left-hand drills for extracting broken bolts and studs Silver & Deming style drills for drilling large holes using 1/2" chuck portable drill Jobber length drills for general-purpose drilling in metals Sizes 1/16" thru 1/2" in 1/64" increments 1/8" thru 3/8" in 1/16" increments 9/16" thru 1" in 1/16" increments 1/16" thru 1/2" in 1/32" increments Shank Straight Shank Straight Shank 1/2" Reduced Shank, 3-flat Straight Shank Point Style 135° Split Point 135° Split Point 118° Conventional Point 135° Split Point Country of Origin USA China China USA