Best Black Oxide Installer Drill Bits in 2026

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

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

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

【Special Design】This Flex Shank Installer Drill Bit Guide Tool kits is designed for guide the flex shank drill bit to keep straight during working.

【Application】This In-Wall Drill Guide Kit is suitable for using in narrow and long space, some out of sight places within the wall. Insert the flex shank bits into the wood bumper ball, fasten the stopper to keep ball in the top position, then it can works.

【Value Package】This drill bit Guide kits include: 1pc 1-3/4" diameter wood ball, 1pc 2-5/16" diameter wood ball, 1pc 3/8" stopper, 1pc L-shape wrench to adjust stopper. Two different size balls can be used in different working condition base on your needs.

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

Contains: (1) High Speed Straight Steel Shank Drill Bit

Works with both wood & metal

Round Shank: 5/16"

Ultra-sharp tip for fast straight holes in clean wood or stacked lumber

Black oxide coated flutes for fast chip removal

Small hole in flute for easily pulling wires and cables through walls, ceilings and floors

【Special Design】This Flex Shank Installer Drill Bit Guide Tool kits is designed for guide the flex shank drill bit to keep straight during working.

【Application】This In-Wall Drill Guide Kit is suitable for using in narrow and long space, some out of sight places within the wall. Insert the flex shank bits into the PVC bumper ball, fasten the stopper to keep ball in the top position, then it can works.

【Value Package】This drill bit Guide kits include: 1pc 1-3/4" diameter PVC ball, 1pc 2-5/16" diameter PVC ball, 1pc 3/8" stopper, 1pc L-shape wrench to adjust stopper. Two different size balls can be used in different working condition base on your needs.

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

Tungsten carbide tip for extended life in brick, block and mortar joints

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

Quality high speed steel ensures the bits super hard, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood etc with long tool life

All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)

Fully ground process ensures excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging

DURABLE QUALITY: Twist drill bits are made from high-speed steel for high hardness and durability

PROFESSIONAL DIY USE: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster. They are great for most drilling jobs and materials such as aluminum, wood, plastics

DIFFERENT: Extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit. Extra long cutting edge allows you using these bits to drill deep holes

【Twist Drill Bit Set】Come with 8 pieces drill bit in different sizes of the most popular drill bits, can meet your varied requirements! 8 sizes: 4, 4.2, 4.5, 5, 5.2, 6, 8, 10mm OD.

【HSS Twist Bits】Twist drill bits are made from High-speed Steel for high hardness and durability, not easy to bend. Sturdy and longer life!

【Extra Long Bit】Extra long cutting edge great for general purpose use on hand drills and allows you using these bits to drill deep holes. Length: 200mm (about 7.9'')

Tungsten carbide tip for extended life in brick, block and mortar joints

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

* High-speed steel taps are with high hardness and toughness for wear resistance, well suited for general purpose applications

* Can make new threads or re-thread damaged or jammed threads

* Uncoated taps feature just the base substrate without any additional coatings, and fit a wide range of applications

99pcs Drill Bits Include: 11pcs of each size( 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/35", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 3/64", 3/8", 25/64", 13/32", 27/64", 19/32", 29/64", 15/64", 31/64", 1/2") drilling dia M35 straight round shank twist drills, can accommodate a wide range of drilling needs.

M35 Twist Drill Bit: Made from M35 cobalt material which has the characteristic of high hardness and durability. The cobalt material gives the bit superior wear resistance and overall toughness, making it great for long-term use in a variety of drilling applications.

Quick and Clean Drilling: The external point angle design of this cobalt twist drill bit allows for fast and efficient drilling, with effective chip removal to prevent clogging, perfect for a range of materials including metal, wood, and plastic.

13pcs Drill Bits Include: 1pcs of each size( 1/17", 7/89", 6/61", 11/93", 12/95", 4/29", 14/89", 14/79", 17/90", 13/66", 21/97", 17/72") drilling dia M35 straight hex shank twist drills, can accommodate a wide range of drilling needs.

M35 Twist Drill Bit: Made from M35 cobalt material which has the characteristic of high hardness and durability. The cobalt material gives the bit superior wear resistance and overall toughness, making it great for long-term use in a variety of drilling applications.

Quick and Clean Drilling: The external point angle design of this cobalt twist drill bit allows for fast and efficient drilling, with effective chip removal to prevent clogging, perfect for a range of materials including metal, wood, and plastic.