Top 10 Best Irwin Cobalt Drill Bit Set

29 Piece. Cobalt Alloy Steel Drill Bit Set. Sizes 116 inch -12 inch in 164 inch increments, 135 Degree Split Point To Minimize Walk. 5 Cobalt Alloy Steel For Higher Heat Abrasion Resistance. Heavy Duty Web Construction For Strength Durability.

Removes Broken Studs, Bolts, Socket Screws, And Fittings. Aggressive Left Hand Design Creates Extra Gripping Power. Easy Out Style Spiral Flutes Embed Themselves To Increase Grip As Resistance Increases. Extractor Sizes And Recommended Drill Bit Sizes Etched On Each Tool.

Premium high-speed steel withstands extended drilling in tough materials. Black and gold oxide finish provide maximum corrosion resistance. 135-degree split-point tip starts drilling immediately with less force and eliminates walking across the work surface. Metal index case for easy bit access and identification. Includes drill bit sizes 116- to 12-inch in 164-inch increments.

Turbomax tip eliminates walking, starts drilling on contact, and stays sharp longer. Made from premium high speed steel with black and gold finish for added corrosion resistance. Precision-ground geometry provides best-in-class hole size accuracy. Includes 116 to 12 sizes by 64ths and a reduced shank on bits larger than 38.

Set of 29 jobber length drill bits includes inch sizes 116 to 12 in 164 increments. Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials. Gold oxide finish lubricates the drill bit and provides wear resistance. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Meets ANSI specifications.

Cobalt M42 drill bit provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum. Enhanced M42 alloy material contains 8 Cobalt alloy that delivers 10x life vs. Standard bits. High-heat resistant bits withstand high-temperature applications for extended periods of time. Thick web-helix design provides additional stability in tough applications.Case TypePlastic. Surface-hardened tip penetrates tough abrasive materials.

8 cobalt for up to 68 rockwell.. 3 Removeable cartridges - carry bits from case to worksite.. Tap drill selection chart included.. 38 shank on sizes 2564 to 12 to fit into 38 capacity chucks..

Perfect Drill Bits Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped. 135 Split Point Twist Design The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster. Enhanced M35 Alloy Material These drill bits contain 5 Cobalt alloy steel, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. Set Includes 116, 564, 332, 764, 18, 964, 532, 1164, 316, 1364, 732, 1564, 14, 1764, 932, 1964, 516, 2164, 1132, 2364, 38, 2564, 1332, 2764, 716, 2964, 1532, 3164 and 12 inch bits Comes in metal indexed storage case for easy storage. QUALITY COMMITMENT If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100 Satisfaction Guarantee for risk-free shopping.

115 PIECES INCLUDED 29pcs Fractional Size116 to 12 in 164th increments 26pcs Letter Size A To Z 60pcs Numbered Size 1 To 60.. HSS WITH 5 COBALT Durable, Higher Heat Abrasion Resistance.. PRECISE 135 SPLIT POINT TWIST DESIGN Prevent walking, clear chips and particles faster.. PROFESSIONAL WIDELY USE M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.. ORGANIZED HOLDER Set includes the drill bit holder with size index for easy storage and organizing..

Includes spiral flute extractors, multi-spline extractors, bolt extractors, and left-hand cobalt drill bits for extracting all kinds of fasteners. Easy out style spiral flute extractors for use on common fasteners and lower torque. Multi-spline extractors for higher torque or lower profile tools. Bolt extractors for freeing partly-exposed fasteners. Left-hand cobalt drill bits for drilling out interiors of fasteners.