EFFICERE 17-Piece Premium 1/2” Reduced Shank Silver and Deming Drill Bit Set | Large and Jumbo Standard SAE Drill Size from 1/2” to 1” by 1/32th Increment | M2 High Speed Steel, 135-Degree Split Point

EFFICERE 17-Piece Complete Silver and Deming Drill Bit Set is your perfect choice for drilling large holes over half inch diameter on wood, plastic, aluminum, copper, cast iron, mild steel, stainless steel, sheet metals and many other types of materials. It serves a wide range of applications such as woodworking, auto repairs, equipment and machinery, metal fabrication and a lot more. Constructed from premium cobalt high speed steel for dependable strength, these drills bits are built to last. Featuring 135-degree split point at tip, they start cutting with self centering for faster speed and prevent walking during drilling. A superior golden titanium and black nitride dual coating finish is applied to each drill that holds up lubricant better for smoother drilling and is 80% more durable and corrosion resistant than regular black enamel finish. All the tools have a universal 1/2 inch reduced shank with tri-flat end that securely locks onto the 3-jaw chuck from all brands of drill press and power tools. Product Key Features: ▲ Premium M2 Cobalt High Speed Steel (HSS) Construction for Maximum Strength and Durability. ▲ 135° Split Point for Faster and More Efficient Drilling without Walking. ▲ Twist Blade with Deep Groove Design Quickly Clears Out Chips and Particles. ▲ 1/2-Inch Reduced Shank Fits All Drill Press and Most Power Tools. ▲ Unique Tri-Flatted Shank End Locks Securely onto 3-Jaw Chuck. ▲ Comes with a Handy Aluminum Case for Easy Organizing and Storage in Toolbox and Tool Chest. Size Included: ▲ 1/2 Inch, 17/32 Inch, 9/16 Inch, 19/32 Inch, 5/8 Inch, 21/32 Inch, 11/16 Inch, 23/32 Inch, 3/4 Inch, 25/32 Inch, 13/16 Inch, 27/32 Inch, 7/8 Inch, 29/32 Inch, 15/16 Inch, 31/32 Inch, 1 Inch

• ▲ PREMIUM QUALITY - Industrial grade M2 cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, cast iron, mild steel, stainless steel, sheet metal and more
• ▲ FAST AND EFFICIENT - The 135° split point design at tip increases cutting and drilling speed through self-centering and prevents drills from walking or wobbling; The twisted blade with deep groove design clears out chips and particles faster than other drill bits
• ▲ SUPERIOR COATING - Best gold titanium and black nitride dual coating finish holds up lubricant more firmly for a smoother drilling process, and is also 80% more durable and corrosion resistant than regular black enamel finish to withstand heavy duty applications
• ▲ COMPATIBILITY AND FIT SECURELY - The 1/2 Inch reduced shank is compatible with all drill presses and most power tools in the market, and the unique Tri-flatted shank end locks onto a 3-jaw chuck more tightly and securely to eliminate slippage during operation
• ▲ NO SKIPPED LARGE SIZES - Set includes a full range of 17 pieces complete large-diameter silver and deming drill bits in a heavy duty aluminum storage case for easy carrying and organizing. Sizes: 1/2, 17/32, 9/16, 19/32, 5/8, 21/32, 11/16, 23/32, 3/4, 25/32, 13/16, 27/32, 7/8, 29/32, 15/16, 31/32, and 1 inch