Draper 99251 (D20IW400SET/2)

"IRWIN Silver and Deming High Speed Steel Fractional Bit is constructed of M-7 high speed steel for high resistance to abrasion during tough drilling applications. All Silver & Deming bits are 6"" lon more→g and feature a 1/2"" reduced shank that fits all 1/2"" drills. Heavy-duty metal drilling, automotive, body shop, metal fabrication."

Milwaukee Thunderbolt Black Oxide jobber length drill bits are designed for extreme durability and long life. The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate more→strength and protect against side-load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Effective for drilling on curved surfaces, Milwaukee Thunderbolt Black Oxide bits require less effort to drill through metal, wood and PVC and are highly recommended for use with portable drills.

Bore small, clean holes at any angle in a variety of materials with the economical Milwaukee 7/8 in. x 6 in. Flat Boring Bit. This premium quality Flat Boring Bit is made of heat treated high carbon s more→teel, so the drill point and cutting edge can be resharpened for cost savings and long life. Bore clean, fast holes at any angle in wood, plastic, plywood and Formica.