The H.D. Super Premium 25-PC. Jobber Drill Set, offering a wide range from 1mm to 13mm in sizes, with increments of .5mm for precise drilling needs. Made from special Hi-Molybdenum tool steel and featuring a 135º split point in striking black and gold, these drills ensure fast penetration and accurate starting without a center punch. Stored in a durable metal drill index with embossed measurements, the super premium drill bits are heat-treated and nitro-carburized for superior hardness, making them ideal for challenging applications in work hardening grades of stainless steel and other hard metals.
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