Overview Reviews Product Description Cobalt prentice drills offer increased hardness, toughness and better wear resistance compared to regular HSS Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed 1/2" Standard reduced shank to expand the size range capacity of 1/2" drill chucks Ideal for harder steels, heat treated and high temperature alloys, and stainless Clarkson Osborn Catalog Product Videos Custom Field Diameter 1" Flute length 3" Overall length 6" Shank diameter 1/2" Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 1" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51100 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Clarkson-Osborn | sku: CLK DR51132 1-1/2" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51132 MSRP: Now: $388.31 Add to Cart Clarkson-Osborn | sku: CLK DR51104 1-1/16" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51104 MSRP: Now: $175.22 Add to Cart Clarkson-Osborn | sku: CLK DR51102 1-1/32" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51102 MSRP: Now: $162.34 Add to Cart Clarkson-Osborn | sku: CLK DR51116 1-1/4" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51116 MSRP: Now: $242.15 Add to Cart
Clarkson-Osborn | sku: CLK DR51104 1-1/16" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51104 MSRP: Now: $175.22 Add to Cart Clarkson-Osborn | sku: CLK DR51102 1-1/32" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51102 MSRP: Now: $162.34 Add to Cart Clarkson-Osborn | sku: CLK DR51116 1-1/4" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51116 MSRP: Now: $242.15 Add to Cart
Clarkson-Osborn | sku: CLK DR51102 1-1/32" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51102 MSRP: Now: $162.34 Add to Cart Clarkson-Osborn | sku: CLK DR51116 1-1/4" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51116 MSRP: Now: $242.15 Add to Cart
Clarkson-Osborn | sku: CLK DR51116 1-1/4" x 1/2" Reduced Shank Cobalt Prentice Drill Bit DR51116 MSRP: Now: $242.15 Add to Cart