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Compare material, finish, length class, and decimal size equivalents.
These jobbers'-length bits have the rigidity and length required for most applications.
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than jobbers'- and maintenance-length drill bits.
Specially-designed flutes keep these bits centered as they drill, resulting in straighter, rounder holes with tighter tolerances. Also known as double-margin drill bits.
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than jobbers'-length drill bits.
Drill safely in flammable environments. Made of Factory Mutual (FM) approved beryllium copper, these bits won’t create sparks that could ignite if they made contact with combustible vapors or residues.
Access hard-to-reach spots and drill deep holes.
With better heat and wear resistance than high-speed steel, cobalt steel bits can run up to 25% faster and have a longer tool life.
More wear resistant than cobalt steel and high-speed steel, carbide-tipped bits maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill.
Use these bits for general purpose drilling in most material.
Insert these bits directly into power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks.
The SDS-Plus shank has two deep slots and two shallow slots for use with SDS-Plus-drive rotary hammers.
These bits have a round or hex shank that fits into the three-jaw chuck on a hammer drill.
Also known as A-taper bits, these fit rotary hammers with a taper-shank chuck.
A more controlled chip removal reduces heat buildup. Use these bits on brittle material such as block and brick.
Use these bits with handheld power drills, drill presses, and hammer drills.
Carbide-tipped bits maintain their sharp edges when drilling hard material. They are for use in both hand-held drilling and machine-tool applications.
Harder, stronger, and more wear resistant than high-speed steel, solid-carbide bits maintain their sharp edges longer. They require rigid toolholding to prevent breakage and should not be used in hand-held drilling applications.
Because softer metal, like aluminum, brass, and bronze, can clog a bit, the flutes on these bits lift chips out of the hole. Also known as slow-spiral drill bits.
Use for drilling in most metal.
Unlike traditional wire-installing drill bits, you do not need to strip the end of the wire when using one of these bits. After drilling, insert the wire into the bit's hollow shaft and pull through the hole.
Insert directly into power screwdrivers, impact drivers, and other tools that accept a 1/4" hex shank.
The built-in guide has a beveled tip that fits into countersunk holes in hardware, such as hinges and latches, to center the bit.
For the highest accuracy and longest tool life, these solid-carbide bits are harder, stronger, and more wear resistant than high-speed steel, cobalt steel, and carbide-tipped bits.
A more controlled chip removal reduces heat buildup. Use these bits on brittle materials such as block and brick.
Also known as reverse-flute bits, the flutes spiral in the opposite direction of other bits. Use in counterclockwise drilling applications such as removing broken screws.
Drill small holes by hand.
Also known as step drill bits. The 82° countersink angle is compatible with the profile of flat- and oval-head inch screws.
Also called subland drill bits. The 90° countersink angle guides the tap into the hole.
Available in metric sizes, these tools let you drill and ream holes with the same tool. They are for use in drill presses, turret lathes, screw machines, and other machine tools.
Drill and ream holes for tapered pins with the same tool. They are for use in drill presses, turret lathes, screw machines, and other machine tools.
Often called step drill bits.
Also known as subland drill bits, these last longer than standard counterboring drill bits because the diameter stays the same after sharpening.
Often used with screw holes in misaligned sheets or layers of material.