Product Review
EFFICERE 8-Piece Silver and Deming Drill Bit Set is an essential tool and perfect choice for drilling large holes over 1/2" diameter in wood, plastic, aluminum, copper, stainless steel, sheet metals and many other types of materials. 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 gold 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 drills have a universal 1/2 inch reduced shank with tri-flat end and securely lock onto any 3-jaw chuck from all brands of power tools. Set includes 8 pieces of 6" length silver & deming drill bits in a handy aluminum storage case for easy carrying and organization: 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, and 1".
- ▲ 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 8 pieces large-diameter silver and deming drill bits in a heavy duty aluminum storage case for easy carrying and organizing. Sizes: 9/16”, 5/8”, 11/16”, 3/4”, 13/16”, 7/8”, 15/16”, 1”
