Best Black Oxide Installer Drill Bits in 2026

Versatile: This set includes a wide variety of both driver bits and drill bits as well as a selection of accessories to help assist in a number of drilling and fastening applications

Quality: The included driver bits feature designs to lessen damage to the screw head and provide better bit gripping Power; The split drill bit tips provide easy drilling starts and are ideal for a variety of applications such as wood, metal, masonry and more

Convenience: With such a wide variety of bits and accessory options, this set is deal for everyday tasks from the garage to the workshop to the home

Ideal bits for drilling in plywood, hard wood, and soft wood with handheld drills and drill presses

Drill flat bottom holes, pocket holes, and overlapping holes

Wood case for easy storage and protection

No-skate tip for clean and accurate starts

Titanium coating generates less friction for 2X longer life

Three-flat shank promotes better grip on bits 3/16-Inch and larger

[LONG REACH]: Extra-long drill bits give you 12 inches of added length to work with and provides more stability during quick operations.

[DURABLE]: These drill bits are made from heat-treated M2 high speed steel for excellent hardness, wear resistance, and toughness.

[SMOOTH DRILLING]: Combining high hardness and sharp pointed tips, these drill bits easily puncture tough materials for a smooth drilling finish.

The item is Bosch Daredevil DSBE1012 12-inch drill bit extension

Used for power tool accessories, drill bits & accessories

The product is manufactured in China

5/8" x 37” x 39" SDS Plus Drill Bit – long masonry hammer drill bit

High quality SDS bit designed to work in masonry applications; brick, stone, concrete, block, etc

Compatible with all SDS Plus sized rotary hammer drills; Bosch, DeWalt, Hitachi, Hilti, Makita, Milwaukee, etc.

Aggressive and self feeding Auger point

Heat treated spring steel shank with wire fishing accommodation holes in the head and shank

Three flat non-slip grip on the chuck end

82˚ point for fast, smooth drilling in wood

Hole in flute for easy wire pulling through walls, ceilings and floors

3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling Hole not included on 12" length bits

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

PRECISION: Features Bosch’s unique product design with a precision tip to help solve any bit wandering or bit walking

QUALITY: This glass and tile set includes a high-quality carbide tip with a reinforced head to reduce stress, prevent bit cracking and the diamond ground cutting edges provide a longer life

VERSATILE: Perfect for common applications such as relief holes for glass cutting, bathroom and shower installs, drilling and fastening mirrors, setting concrete screws in tile and many more

【Premium True 5% Cobalt Steel with 68 HRC】- The Marked Cobalt Content of Ordinary Drill Bits May be False, but This Drill Bits Set is Made of Cobalt Ore from Our Own Mine, Which Indeed Contains 5% Cobalt. Although the Cost and Price are Slightly Higher, It Usually is able to Provide 3X Heat,Wear and Chip Resistance and 3X Tool Life.

【Split Point Design and Fully Ground Process】- Compared with Other Ordinary Drill Bits, This Drill Bits Set is Particularly Suitable for Heavy Duty Work, Such as Cutting through Stainless Steel,Steel Plate,Iron Sheet, Cast Iron and Hardwood, and Drilling Out Bolts Studs and Screws.

【3X Efficiency + 3X Tool Life】- This Cobalt High Speed Steel Drill Bits Set is Typically Capable of Running 3 Times Faster. Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.

82 degree point for faster starts

2 recesses provided to allow for extension set screws - bits 5/8-Inch and over

Fish eye hole provided near tip of flutes to aid in pulling wire

Package includes: you will get 2 pieces 1/4 spade drill bit extension hex shanks and 2 pieces hex keys, which are helpful for wood spade bit extension; 2 Sizes for length, namely 6 inches and 12 inches, provide nice operability; Suitable for hard-to-reach bolts and screws, allowing you to complete your work better and faster

Fits for most 1/4 inches bits: wood bit extension sets are suitable for most 1/4 inches drill bit extension hex shank insert and power bits, which can be applied for all of your needs screws, nuts, drills, handheld drivers, tool box and construction; With that extra-long extension, you’ll be able to reach almost everywhere; Please confirm the size before buying

Reliable material: the spade drill bit extension is made of high-carbon steel, safe and durable to use; It not only can hold bits securely in place to make sure that your bits keep in place and never wobble while in use, but also give you maximum control and accuracy when drilling and driving; Besides, the durable high-carbon steel construction makes it to has nice rust resistance, and suitable for use with wood spade bits

This product is easy to use.

This product is highly durable

This product is manufactured in China

Each WeldTec auger bit features a hard cutting edge welded to the base material

Auger drill bit features a long-lasting nail-cutting life

Wide flutes and a 3/8-inch quick-change impact shank make this a versatile auger drill bit

3/8 inch by 18 inch hollow shank cable installer drill bit for installing wire in new and old construction homes

100% AMERICAN MADE - SnakeBit Drill Bits easily cut through wood, drywall, plaster, plastic steel, and metal

PATENTED HOLLOW SHANK - Eliminates the need to pull wire backwards through walls. Allows the installer to install wire in the same direction they are working

Cobalt drill bits: Classic M2 High Speed Steel construction with Black and Gold finish for proven capability and durability.

Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces drill bits in a plastic bag, Diameter 7/32 inch, Total length 3-3/4 inch, Working length 2-1/2 inch.

HIGH PERFORMANCE

The Package Length of the Product is :5.0 inches

The Package Width of the Product is :5.0 inches

Made to drill holes through wood studs or floors, then fish wire

Package Dimensions: 18.75 H x 1.25 L x 1.25 W (inches)

Package Weight: 0.39 pounds

Package Weight: 0.226 kg

Product Type: Tools

Package Quantity: 1

Unique combination of 135 Degree self-centering split point stepped to 118 Degree hole enlarging body for fast, easy starts and smooth drilling

Hole in flute for easy wire pulling through walls, ceilings and floors

3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling

4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF, for much faster cutting and extra longer life span when compared with an average HSS drill bit.

MULTIPLE APPLICATION - Perfectly suitable for drilling hard metal such as stainless steel, cast iron, high temperature alloy, titanium alloy. Moreover, they can also be applied to cutting duroplasts, wood and some other soft materials.

SMOOTHLY DRILLING - The split point design increases the cutting edge on the tip, and the blunter 135° angle means more of the cutting edge touches the surface sooner. The grooves on the sides of the bits’ twisted shanks will bring metal shavings up and out of the hole as you drill.

Screw tip with aggressive pitch delivers easy starts and fast drilling Show as "Type A" tip icon on packaging

Dual spurs for faster, cleaner holes and less breakout

Hole in flute for easy wire pulling through walls, ceilings and floors

[Application]:This Fish Bit works great for running wire in finished ceilings and walls with minimal damage

[Flexibility]:our bits are made from high quality material and the max flex is 90

[Anti-slip end]:the fish bit was designed with a three flat tip shank to prevent slipping in chuck