Best Dormer Long Drill Bits in 2026

Extreme Durability: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.

Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.

Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).

【M35 COBALT HIGH SPEED STEEL】1/8" drill bits for metal made from M35 Cobalt High Speed Steel and contain 5% Cobalt, which increases wear-resistance, durability and extra longer life span, so that the drill bits last through multiple uses

【135° SPLIT POINT】135°quick-cut pilot split points are self-centering and can penetrate quickly with less pressure. Straight shank of this cobalt steel drill bit allows for firmly holding and accurate centering and makes drilling precise and faster

【FULLY GROUND PROCESS】Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster drilling performance

Premium High Quality - Short length drill bit is made from superior HSS M2 material with evenly distributed carbides for long lasting strength and durability. The drill bit is always sharp at each use.

Twist Design - Full ground processing and 135 degrees split point clears chips & particles faster, it also delivers powerful penetration against the metal , plastic, wood and other hard surfaces.

Quick Change - 1/4” hex shank fits into all power tools more easily and securely, it is suitable for quick change drill chunks for fast and easy swapping.

[PACKAGE INCLUDED]: 13×Drill Bits, 1×Point Chisel, 2×Flat Chisel, 1×U-groove Chisel, A variety of sizes to meet your different needs.

[INDUSTRIAL MATERIALS]: 40Cr carbon steel, YG8C carbide tip, sturdy and durable.Premium carbon steel with heat treatment improves core strength for maximum durability and extended life.

[MULTI PURPOSE]:This set is perfect for working on concrete, masonry, wall, bricks, stone and road.

Features: Cutting Edge Diameter : 2.5mm / 0.1"; Shank Diameter : 2.5mm / 0.1"; Cutting Edge Length: 26mm / 1.02"; Total Length : 55mm / 2.17"; Cutting Direction: Right Hand

High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.

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

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

Extra-length, for deeper holes

118-degree conventional point angles good for general drilling applications

Round shanks can be used with a variety of tool-holding systems

Parabolic flute design offers enhanced chip removal, coolant flow to the drill point, and heat dissipation

Long length drill bits, also called taper length, have longer flutes and overall lengths than jobber drill bits

135-degree radius split-point is self-centering, reduces walking, good for hard material, and reduces pressure on cutting edges

OUTSTANDING QUALITY

PACKAGE OF 10

Made in the U.K.

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

Extra-length, for deeper holes than Jobber length

130-degree point angle, for centering and to reduce pressure on cutting edges

High-speed steel (HSS) containing cobalt is a combination of toughness and hardness, for use on drilling into hard substances

Long length drill bits, also called taper length, have longer flutes and overall lengths than Jobber drill bits

118-degree conventional point angles good for general drilling applications

Round shanks can be used with a variety of tool-holding systems

Long length drill bits, also called taper length, have longer flutes and overall lengths than Jobber drill bits

118-degree conventional point angles good for general drilling applications

Round shanks can be used with a variety of tool-holding systems

Long length drill bits, also called taper length, have longer flutes and overall lengths than Jobber drill bits

118-degree conventional point angles good for general drilling applications

Round shanks can be used with a variety of tool-holding systems

Long length drill bits, also called taper length, have longer flutes and overall lengths than Jobber drill bits

118-degree conventional point angles good for general drilling applications

Round shanks can be used with a variety of tool-holding systems

Extra-length, for deeper holes

Tanged shank, for a secure and accurate tool-holding system with positive split-sleeve drivers

Steam tempering (also called black oxide), to retain cutting fluids and to prevent chip-to-tool welding

Parabolic flute design offers enhanced chip removal, coolant flow to the drill point, and heat dissipation

Taper-length, for deeper holes

135-degree radius split-point is self-centering, reduces walking, good for hard material, and reduces pressure on cutting edges

Uncoated (bright) finish, economical and useful with a wide range of drilling materials

Long-length drill bits, provide long reach

118-degree conventional point angles, for general drilling applications

Item Package Height: 30.226 Centimeters

135 Degree Split Point

Item Package Width: 1.27 Centimeters