is a professional manufacturer and enterprise for all kinds of drill bits and cutting tools. After over 15 years development, our main products are expended to: Metal working drilling tools, Stone working drilling tools, Wood working drilling tools, Screwdriving tools, Threading tools, Packaging & Tool sets.

10PCS 3/16" Hex Drill Bits in one package, all drill bits are kept in a strong and professional plastic case with hanging hole which is convenient for storage and pick-up.

Hex drill bit sets are built for general purpose applications, such as DIY projects, home maintenance and MRO (Maintenance, Repair and Operations). Working materials include mild steel, copper, aluminum, zinc alloy, cast iron, wood and plastics.

High speed steel (HSS) with black gold surface treatment gives Hex drill bits great durability and prolongs 3 times longer life than ordinary drill bits without coating.

Easy Cut Split Point design makes drilling easy with less pressure and prevents drill bits walking on the working surface. Fully ground modified parabolic twist flute design clears chips quickly, decreases friction and heat damage.

1/4" (6.35mm) hex shank fits into standard power tools and impact drivers. Hex drill bit's solid bonding technology eliminates radial runout and improves concentricity. High torque, impact-rated accuracy.

Metal working drilling tools, Stone working drilling tools, Wood working drilling tools, Screwdriving tools, Threading tools, Packaging & Tool sets.

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