Best Inch Spotting Drill Bits in 2026

DEWALT drill bit set has connectable accessory storage system to optimize storage space

Patented bit-bar design of the drill bits set allows easy removal of bits and customizable placement

Clear lid of the Titanium Nitride Coated drill bit set allows you to easily see contents at glance

HSS Titanium Coating - Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.

Flutes Form - 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.

Quick Change - 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck.

[PREMIUM BUILD]: Each short bit is constructed of premium molybdenum M2 HSS with evenly distributed carbides for resistance against wear while maintaining durability that lasts through each job.

[TIP DESIGN]: The 135-degree standard tip design delivers powerful penetration against metals, plastics and other hard surfaces.

[HEX FIT]: Each 1/4-inch hex shank is compatible with standard and quick change chucks and drivers, providing versatility in drilling needs.

Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.

Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces in a plastic bag, Diameter 5/16 inch, Total length 4 inch, Working length 2-3/4 inch.

Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials

Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish

135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling

Full size set kits includes from 3/64-inch to 1/2-inch in tough plastic case

Titanium coating reduces heat buildup for longer life, lasts X 6 more than conventional bits

Multipurpose use ideal for drilling in metal, wood, fiber glass and plastics, not for use on concrete or masonry

Quality material: the cobalt drill bit set uses cobalt M35 high speed steel as material, this material is durable, strong and practical, with a long service life, heat and abrasion resistance; The cutting edge of drill bit is hardened and honed, with accurate cutting without shaking

Creative twist design: metal cobalt drills for hardened steel has 135° split point tip and torsional design to improve cutting speed with self-centering ability; They can avoid walking during work process, while clearing chips and particles more quickly and easily

Nice features: the 1/8 inch twist drill bits have precise diameter; M35 cobalt drill bits for hardened metal are not easy to break or wear out, so suitable for lithium electric drill, hand electric drill, impact electric drill, etc.; The size is small, please pay attention to use

【Precisely Processing】- Center and spotting drills are used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.

【Convenience】- Easy to use and install, change bits fast which one-handed load and release. Available for all Kinds of Materials: Metal, Alloy, Copper, Iron, Wood, Aluminum and so on.

【Durable and Resistance】- Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.

Package Dimensions: 6.0 L x 1.0 H x 4.0 W (inches)

Package Weight : 1 pounds

Country of Origin : China

【Dimension】- The shank diameter of this center drill is 1/2-inch, the working edge diameter is 5mm / 0.21-inch,and the total length is 65mm / 2.56-inch.

【Material and Features】- High Speed Steel, high hardness, rustproof, solid, durable and excellent for use.

【Durable and Resistance】- Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.

【Dimension】- The shank diameter of this center drill is 4mm / 0.16-inch, the bit diameter is 1.5mm / 0.06-inch, the working edge length is 3mm / 0.12-inch, and the total length is 38mm / 1.50-inch.

【Material and Features】- High Speed Steel, high hardness, rustproof, solid, durable and excellent for use.

【Durable and Resistance】- Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.

The cutter head is 90° chamfering cutter and drilling, is very practical

The material is made of 55 degree tungsten steel with high hardness, high strength and long?lasting durability

Small friction coefficient and good anti?adhesion performance, effectively reduce friction and cutting temperature