DEWALT Drill Bit, Spade, 1 Inch x 16 Inch (DW1595) Description Professional contractors rely on DEWALT Spade Bits when they need to quickly bore clean holes for electrical, plumbing, framing and more. Featuring a heavy-duty, heat-treated shank for protection against bends and breaks, DEWALT Spade Bits are equipped with an optimized cutting groove which provides fast chip removal, and a ¼” ball groove shank offer easy quick changes in impact drivers. Chamfered corners boost durability especially against nail impacts. Available in sizes ranging from 1/4 in. to 1-3/8 in. Dia, available lengths 6" and 16". From the Manufacturer DEWALT DW1595 1-Inch by 16-Inch Spade Drill Bit Features: Heavy-duty, heat-treated shank for protection against bends and breaks Optimized cutting groove for fast chip removal Chamfered corners for durability against nail impacts Paddle hole for easy wire pulling and bit storage 1/4" Ball groove shank allows for quick bit changes Product Details: Material: Steel Shank Type: Hex Brand: DEWALT Item Dimensions LxWxH: 18.8 x 1.9 x 0.2 inches Tool Flute Type: Spade Material: ‎Steel Shank Type: ‎Hex Brand: ‎DEWALT Item Dimensions LxWxH: ‎18.8 x 1.9 x 0.2 inches Tool Flute Type: ‎Spade Minimum Bore Diameter: ‎0.75 Inches Surface Recommendation: ‎Wood Manufacturer: ‎DEWALT Part Number: ‎DW1595 Item Weight: ‎4.8 ounces Product Dimensions: ‎18.8 x 1.9 x 0.2 inches Item model number: ‎DW1595 Is Discontinued By Manufacturer: ‎No Style: ‎1-Inch Item Package Quantity: ‎1 Handle Material: ‎Plastic Measurement System: ‎Metric Included Components: ‎Jobber Drill Bits, Drill Bits & Accessories, Power Tool Accessories Batteries Included?: ‎No Batteries Required?: ‎No Warranty Description: ‎Satisfaction guarantee Date First Available: January 1, 2008