Drill America 13 Piece Quick Change Cobalt Drill Set with Hex Shank, (1/16" - 1/4" x 64ths), COHEX Series

Key features

• Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
• 1/4 in. hex shank can be used in quick change impact drivers
• 135 degree split point tip for self-centering and reducing thrust; Compared to a conventional 118 degree tip, these drills wont go "walking" on you
• Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools
• Sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64" and 1/4"

Drill America COHEX Series. Made of heat resistant cobalt and ground to a heavy duty 135° split point. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in tough, high tensile strength materials. Expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials. 1/4" Hex Shank can be used in quick change impact drivers. The length between the chucking slot on the shank to the end of the shank is standard 3/8".

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