We will reply to your message within an hour.
Strong and durable, these multipurpose bits are for use with bit screwdrivers.
The toughest bits available, these withstand the shock and twisting force of impact drivers.
When you don't have exact alignment between the fastener and the tool, the ball end allows angled entry to turn screws in hard-to-reach areas.
When you don't have exact alignment between the fastener and the bit, the ball end allows angled entry to turn screws in hard-to-reach areas. A retaining ring grips inside the recess to hold screws in place.
A retaining ring at the tip grips inside the recess to ensure screws won't slip off the bit.
Protect your stainless steel screws by using a stainless steel bit. If steel flakes off a standard bit and into the recess, it can lead to rust and contamination. These bits eliminate that risk.
Strong and durable, these multipurpose bits are for use with bit screwdrivers. They are often used with power tools to install sheet metal screws.
Less likely to crack or shatter under high torque than standard bits, these are often used with power tools to install machine screws.
Drive screws with both ends of these bits. Use with hand drivers.
Ribs forged into the wings of these bits grip the screw recess to reduce stripping. They're also known as ACR® bits.
The small-diameter shaft can access screws in narrow recessed holes.
A wide tip makes good contact in shallow and coated screw recesses, such as those filled with paint.
An exterior stop collar prevents fasteners from being driven too deep. Use with soft material such as drywall, wood, and fiberboard.
Remove screws in hard-to-reach places. A spring-loaded sleeve guides bits onto the screw head and keeps them from slipping out.
Strong and durable, these multipurpose bits are often used with power tools to install sheet metal screws.
The slightly tapered tip wedges into the screw recess for a secure hold. Also known as Torx-Align bits.
Bits have a different size at each end.
These bits have an offset cross shape. They’re also known as ACR® bits.
Ribs forged into the wings of these offset-cross-shaped bits grip the screw recess to reduce stripping. They are also known as ACR® bits.
Strong and durable, these multipurpose bits are for use with bit screwdrivers. They're designed for screws with a square recess in the head and are also known as Robertson bits.
The toughest bits available, these withstand the shock and twisting force of impact drivers. Designed for screws with a square recess in the head, they are also known as Robertson bits.
An exterior stop collar prevents fasteners from being driven too deep. Use with soft materials such as drywall, wood, and fiberboard.
These bits provide a secure grip on the Phillips/slotted combination-drive screws in electrical equipment.
An opening at the tip accommodates the pin in the recess of tamper-resistant hex screws. These are also known as pin-in-hex or pin-in-socket bits.
The six rounded points fit the star-shaped recess of Torx-Plus screws. These bits have a similar profile to Torx but are not recommended for use with standard Torx screws.
An opening at the tip accommodates the pin in the recess of tamper-resistant Torx screws. These are also known as pin-in-Torx bits.
Bits have a different size at each end. An opening at the tips accommodates the pin in the recess of tamper-resistant Torx screws. These are also known as pin-in-Torx bits.
A three-winged tip fits triangular slotted screw recesses.
Grip the indentations on the head of tri-groove fasteners.
While screws with a Square/Phillips combination drive can be turned with either a Square or Phillips bit, these make the best contact so you can apply high torque without slipping and stripping the recess. They are also known as Quadrex bits.
An opening at the tip accommodates the pin in the recess of tamper-resistant square screws.
Use with screws that have two drilled holes.
An opening at the tip accommodates the pin in the recess of tamper-resistant Phillips screws. These are also known as pin-in-head Phillips bits.
Turn two drive styles with one reversible bit. Remove and replace to change the tip.
These are also known as known as butterfly and Type G bits.
These bits are shaped like a 12-pointed star. They're also known as XZN bits.
These are also known as TP3® bits.
Turn screws that have the tamper-resistant asymmetrical drive exclusive to McMaster-Carr.
Also known as Polydrive bits.
An opening at the tip accommodates the pin in the recess of tamper-resistant pentalobe and tamper-resistant Torx Plus screws.
The tip is shaped like an eight-pointed star.
Turn the screws found in Apple devices.
Also known as Reed and Prince bits.
A magnet or retaining ring holds the nut in place.
Because they make contact on the flat sides of fasteners rather than only on the corners, these magnetic bits significantly reduce slipping and stripping. They’re also known as lobular bits.
The toughest bits available, these withstand the shock and twisting force of impact drivers. A magnet holds the nut in place.
Turn hex nuts and cap screws.
One-way screws can be installed with standard slotted screwdrivers but can only be removed with this type of bit.
Install and remove eyebolts and screw-in hooks.
Turn the flat-end bolts and screws that are commonly used for wire guiding and hanging pipes and fixtures.
Use hex-shank bits (also known as insert bits) in powered tools.
Lock your bit into the adapter to prevent accidental disengagement. These adapters hold hex-shank bits (also known as insert bits) in powered tools.
The head is angled 90° to drive fasteners in tight spaces. Use these adapters to hold hex-shank bits (also known as insert bits) in powered tools.
Bend these adapters up to 90° to access hard-to-reach fasteners. Use them to hold hex-shank bits (also known as insert bits) in powered tools.
Keep bits from slipping. Insert a bit into the adapter, place a screw on the end of the bit, and slide the adapter sleeve over the screw. The sleeve retracts as the screw is driven. These adapters hold hex-shank bits (also known as insert bits) in powered tools.
A magnetic ring at the end of the adapter holds flat-head screws in place to ensure good contact between the bit and screw. Use these adapters to hold hex-shank bits (also known as insert bits) in powered tools.
Use a 4 mm bit in a bit driver that's designed for 1/4" bits.
These adapters are designed to withstand the high torque of impact drivers. They hold hex-shank bits (also known as insert bits).
Attach these adapters to square-drive tools.
Lock your bit into the adapter to prevent accidental disengagement. These adapters attach to square-drive tools.
Designed to withstand high torque and force, these adapters fit the square drive on impact wrenches. Use with hex-shank bits (also known as insert bits).
Insert these adapters into your SDS-drive rotary hammer to use it with hex-shank bits (also known as insert bits).
A retaining ring grips inside the recess to hold screws in place. These bits have a ball end that allows angled entry to drive screws in hard-to-reach areas.
Assortments contain bits with multiple drive styles.
The knurled shank on these bits allows finger tightening. They can also be used with the included screwdriver.
A magnet holds the nut in place.
These bits are also known as nut setters.
These bits have an offset cross shape.
Designed for the fasteners used in electronics assembly, the tip of these bits has slightly sharper corners than Phillips style.
Also known as Bristol bits, these have a knurled-end shank that allows finger tightening. They can also be used with the included screwdriver.
The slightly tapered tip wedges into the screw recess for a secure hold. These are also known as Torx-Align bits.
Also known as Robertson bits these are designed for screws with a square recess in the head.
Use sockets with tools that accept hex shanks, such as impact drivers and power drills.
Turn sockets with a bit screwdriver.
Convert a power screwdriver or impact driver into a versatile drill.
Convert a power screwdriver or impact driver into a versatile drill. Also known as adapt-a-drive, these chucks have a 1/4" hex shank that fits the hex drive in most power screwdrivers and impact drivers.
For use in power screwdrivers and impact drivers that accept a 1/4" hex shank, each adapter holds a variety of round-shank drill bit sizes for quick tool changes.
Insert these bits directly into power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks.
In addition to resisting heat and wear better than high-speed steel drill bits, these can also run up to 25% faster and have a longer tool life. Insert them into power screwdrivers, impact drivers, and other tools that accept hex shanks.
An open spiral-flute design clears chips quickly, so these bits can bore smooth, deep holes through construction lumber, railroad ties, and utility poles. Also known as pole or ship auger bits.
The screw point draws the bit in, quickly boring holes without applying pressure.
Also known as spade bits, these have a centering point and two cutting edges for boring holes in hard and soft wood.
The 1/4" hex shank allows these bits to be used with standard impact drivers.
These hollow bits cut with their outside edge for drilling holes larger than 1 1/2" in diameter.
These bits have a round or hex shank that fits into the three-jaw chuck on a hammer drill.
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.
Use for drilling in most metal.
Insert directly into power screwdrivers, impact drivers, and other tools that accept a 1/4" hex shank.
Drill holes using simultaneous rotary and hammering action to break masonry material into tiny granules.
Steps with progressively larger diameters let you drill a range of sizes with one bit. Also known as step drills.
Pop these countersinks into power drills, screwdrivers, and other tools that accept 1/4" hex shanks. Tools grip their hex shanks more securely than round shanks to tackle jobs that require higher torque.
These countersinks come attached to a high-speed steel jobbers’ bit.
Choose countersinks of different sizes from these sets. Compared to countersinks with round shanks, these 1/4" hex-shank countersinks can be gripped more tightly by compatible drills and screwdrivers for greater torque.
Multiple tap sizes allow tapping a range of hole diameters. Connect these taps directly to drills, power screwdrivers, and other tools that accept a 1/4" hex shank.
With a drill bit point to drive into the workpiece, these taps can drill and tap holes in a single step. A 1/4" hex shank connects them directly to tools such as drills and power screwdrivers.
Insert these taps directly into drills, power screwdrivers, and other tools that accept a 1/4" hex shank.
Use bits in any drill chuck that accepts a 1/4" hex shank.
Set contains a selection of our most popular hex-shank grinding bits. Use them in any drill chuck that accepts a 1/4" hex shank.
Use with electric and air-powered pavement-breaker hammers.
Made of aluminum-bronze that is Factory Mutual approved, these chisels inhibit sparking and are nonmagnetic and corrosion resistant. They satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.
Use with air-powered pavement-breaker hammers.
These chisels work with electric and air-powered pavement-breaker hammers.
Also known as United States Navy (U.S.N.)-style chisels, these tools have an oval or round collar on the shank.
These chisels have a combination round and hex shank that works with spline-drive rotary hammers.
Use with electric demolition hammers.