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Hymnorq M35 Cobalt Jobber Twist Drill Bits Set of 13pcs in Indexed Case, 2 to 8mm Metric Size, 135 Degree Split Point Straight Shank, for Drilling Hard Metals Like Iron Copper and Stainless Steel
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Hymnorq M35 Cobalt Jobber Twist Drill Bits Set of Features
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COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant; for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
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NO CENTER PUNCH NEEDED - The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency
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13PC METRIC BITS - The set includes 13pcs of M35 cobalt steel twist drill bits: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm. Well organized in a plastic indexed storage case for easy transport to your worksite.
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FOR METALWORKING - Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
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EXCELLENT CUSTOMER SERVICE - If you are not fully satisfied with our product for any reason, please contact us. Your message will be replied in 12 hours.
