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The standard for high-strength fastening.
Choose these screws for their adherence to strict military standards for material and construction.
Use these general purpose 18-8 stainless steel screws for a variety of fastening applications. They have good chemical resistance.
Choose these screws for their adherence to strict military standards for material and construction. Screws are 18-8 stainless steel for good chemical resistance.
More corrosion resistant than 18-8 stainless steel screws, these 316 stainless steel screws have excellent resistance to chemicals and salt water.
Often used to fasten parts in engines and turbines, these are our strongest stainless steel screws. They are comparable in strength to alloy steel with the corrosion resistance of 18-8 stainless steel.
Plastic screws are chemical and oil resistant, nonconductive, and lightweight.
Aluminum screws are one-third the weight of steel and have good corrosion resistance.
Brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.
Our most corrosion-resistant metal screws, titanium screws withstand salt water, acids, and chemicals. They have a high strength-to-weight ratio and are about 40% lighter than steel screws.
Made of alloy steel, these low-profile screws are nearly twice as strong as their stainless steel counterparts. With half the height of a standard socket head, these low-profile screws fit in tight spaces.
Made from alloy steel, these screws are nearly twice as strong as stainless steel low-profile screws. With a head height one-third the size of a standard socket head, they fit in the tightest spaces.
With a head one and a half times taller than a standard socket head, these screws are easier to install in deep counterbored holes and other hard-to-reach places.
These screws have good chemical resistance. A thread locker bonded to the threads prevents loosening from vibration.
With a tensile strength of 170,000 psi, these alloy steel screws are among the strongest we carry. They are stronger than Grade 8 steel screws and are nearly two and a half times stronger than stainless steel thread-locking screws. They have a thread locker to prevent loosening from vibration.
Stainless steel screws have excellent corrosion resistance in most environments. Wire these screws together for more vibration resistance than other types of socket head screws.
With a tensile strength of 170,000 psi, these alloy steel screws are among the strongest we carry. They are stronger than Grade 8 steel screws and are more than twice as strong as stainless steel wire-lockable screws. These resist vibration better than any other socket head screw.
Seal out contaminants and prevent leaks—a rubber O-ring under the head prevents leaks and seals out contaminants.
Drilled through the head and shaft, these screws vent fluid and gases trapped below the screw, making them good for vacuum applications.
The nylon patch bonded to the threads of these socket head screws adds friction to keep vibration from loosening them, while their O-ring prevents leaks and seals out contaminants.
18-8 stainless steel button head screws have good chemical resistance and may be mildly magnetic.
More corrosion resistant than 18-8 stainless steel screws, these button head screws have excellent resistance to chemicals and salt water. They may be mildly magnetic.
Brass button head screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
18-8 stainless steel pan head screws have good chemical resistance and may be mildly magnetic.
More corrosion resistant than 18-8 stainless steel screws, these pan head screws have excellent resistance to chemicals and salt water. They may be mildly magnetic.
These steel pan head screws are coated for corrosion resistance.
Nylon pan head screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.
Reliable in harsh environments up to 500° F, PEEK screws withstand acids, bases, and salt solutions. They are chemical and oil resistant, nonconductive, and lightweight.
Polycarbonate screws resist breaking in high-impact applications. All are chemical and oil resistant, nonconductive, and lightweight.
Brass pan head screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
These 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. The extra-wide truss head distributes holding pressure to reduce the likelihood of crushing thin material.
More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water. The extra-wide truss head distributes holding pressure to reduce the likelihood of crushing thin material. Screws may be mildly magnetic.
Stainless steel screws have excellent corrosion resistance in most environments.
A zinc plating provides mild corrosion resistance.
Taller than cheese head screws, these have a deep drive to maximize driving power and a narrow diameter to fit in tight spaces.
These pan head screws are zinc plated for corrosion resistance in wet environments.
Nylon screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.
PTFE screws withstand harsh chemicals and temperatures from -100° F to 500° F. They are nonconductive, lightweight, and resist wear due to their slippery surface.
Made from brass, these screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
These screws have good chemical resistance.
Made from nylon, these screws are chemical and oil resistant, nonconductive, and lightweight.
Brass screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Torx and Torx-Plus drives have more points of contact than other drives, allowing you to tighten the screw without damaging the recess.
These screws have a Torx or Torx-Plus drive for more points of contact than other drives, allowing you to tighten the screw without damaging the recess.
Create a decorative appearance on your finished product—the head of these screws is painted.
Made from stainless steel, these screws are chemical resistant and may be mildly magnetic.
These screws have a tall, domed head that provides a finished appearance. They're zinc plated to resist corrosion in wet environments.
Made from alloy steel, these screws are nearly twice as strong as stainless steel button head screws. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer.
These stainless steel screws have good chemical resistance and may be mildly magnetic. The washer has sharp internal teeth that dig into surfaces to resist large amounts of vibration while the smooth outside edge provides a finished look. Also known as Sems screws, the washer rotates freely but is permanently attached.
Sharp internal teeth dig into surfaces to resist large amounts of vibration, while the smooth outside edge provides a finished look. Also known as Sems screws, the washer rotates freely but is permanently attached.
Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. A nylon patch bonded to the threads adds friction to prevent loosening from vibration.
Made from alloy steel, these screws are nearly twice as strong as stainless steel button head screws.
A nylon patch bonded to the threads adds friction to prevent loosening from vibration. Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic.
Wire these screws together through the hole in the head for better vibration resistance than any other rounded head screw.
A rubber O-ring prevents leaks and seals out contaminants. Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic.
A nylon patch bonded to the threads adds friction to resist loosening from vibration.
Ceramic screws won't melt, rust, seize, or become brittle—even at extreme temperatures. They are nonconductive and highly resistant to corrosive gases.
These 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic.
More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water. They may be mildly magnetic.
These screws have good chemical resistance and may be mildly magnetic.
More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water.
These steel screws have a zinc plating for mild corrosion resistance.
These screws have a decorative, domed head that sits above the surface when installed.
Made from alloy steel, these screws are twice as strong as standard steel Torx flat head screws.
These screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.
Polycarbonate screws resist breaking in high impact applications better than other plastic screws. All are chemical and oil resistant, nonconductive, and lightweight.
Made from alloy steel, these screws are nearly twice as strong as stainless steel flat head screws.
With an O-ring under the head, these screws prevent leaks and seal out contaminants.
These screws are drilled through the shaft to vent fluids and gases trapped under the screw.
Also known as Fastite screws, these offer more thread engagement in 0.028" to 0.063" thick sheets to prevent overtightening and damaging threads.
These steel screws cut threads in drilled holes as they’re turned, so they require less driving torque and cause less stress on your material than thread forming screws.
These steel screws are zinc plated to resist corrosion in wet environments.
The triangular shank presses tightly as it forms threads, so screws resist loosening in soft metals such as brass, aluminum, and copper.
Made from alloy steel, these inch size set screws have a thin edge that digs into hard surfaces for a secure hold.
Choose these set screws for their adherence to strict military standards for material and construction.
Made from 18-8 stainless steel, these set screws have good chemical resistance.
Made from 316 stainless steel, these set screws have excellent chemical resistance and can be used in saltwater environments.
Brass set screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
These inch size set screws are vented to allow fluid and gas to pass through.
Made from 18-8 stainless steel, these set screws are chemical resistant. The tip makes good contact on flat surfaces and allows you to make frequent adjustments with minimal surface damage.
Made from 316 stainless steel, these set screws have excellent chemical resistance and can be used in saltwater environments. The tip makes good contact on flat surfaces and allows you to make frequent adjustments with minimal surface damage.
These chemical-resistant 18-8 stainless steel screws have an extra-soft nylon tip, which minimizes the damage that can occur from metal-on-metal contact. Use them on soft surfaces such as aluminum.
These alloy steel set screws have an extra-soft nylon tip, which minimizes the damage that can occur from metal-on-metal contact. Use them set screws on soft surfaces such as aluminum.
With a tip that's harder than nylon and silver, these alloy steel set screws provide a secure hold on hard surfaces. The body has a black-oxide finish to resist corrosion in dry environments.
These set screws have a tip that is harder than nylon and silver to provide a secure hold on hard surfaces. The body is 18-8 stainless steel for good chemical resistance.
These set screws have a softer tip than brass-tip set screws to minimize surface damage. Use them on hard surfaces.
These 18-8 stainless steel set screws have good chemical resistance. Also known as half dog-point set screws, they have a protruding tip that locks within a mating hole or slot to keep parts aligned.
These alloy steel set screws have a pointed tip that wedges into the contact surface for a secure hold on soft materials such as brass.
These 18-8 stainless steel set screws are chemical resistant. A pointed tip wedges into the contact surface for a secure hold on soft materials such as brass.
More corrosion resistant than 18-8 stainless steel set screws, these have excellent resistance to chemicals and salt water.
Comparable in strength to Grade 8 steel. These screws have inch thread sizes.
Made from 18-8 stainless steel, these inch-sized shoulder screws have good chemical resistance.
More corrosion resistant than 18-8 stainless steel shoulder screws, these have excellent resistance to chemicals and salt water. These screws have inch thread sizes.
More corrosion resistant than 18-8 stainless steel shoulder screws, these have excellent resistance to chemicals and salt water.
These screws have a head height about one-third the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines.
These slotted screws have a head height about one-third the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines.
Install these socket head screws through a hole and thread on a retainer to keep secure—no special tools are required.
About half the strength of medium-strength steel nuts, these nuts are for light duty fastening applications.
Choose these nuts for their adherence to strict military standards for material and construction.
These nuts have good chemical resistance and may be mildly magnetic.
These nuts have excellent chemical resistance and can be used in saltwater environments.
Made from nylon 6/6, these nuts resist oil, grease, and solvents (except mineral acids).
PTFE nuts withstand temperatures up to 500° F. They resist oil, grease, detergents, and most mineral acids. They're the lowest friction plastic nuts we offer, so they thread on smoothly.
These nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic.
One-third the weight of steel, these aluminum nuts are corrosion resistant in wet environments and nonmagnetic.
Ceramic nuts won't melt, seize, or become brittle—even at temperatures up to 3000° F.
These nuts have a high strength-to-weight ratio and resist acids and salt water.
These 18-8 stainless steel nuts have good chemical resistance and may be mildly magnetic.
Brass nuts are resistant to corrosion in wet environments and electrically conductive.
Made from low-strength steel, these locknuts should be used for light duty fastening applications, such as securing.access panels.
These locknuts have good chemical resistance.
Choose these locknuts for their adherence to strict military standards for material and construction.
These locknuts are about half the height of standard nylon-insert locknuts. Use them in light duty low clearance applications or jam one against a hex nut to hold it in place.
Made from 18-8 stainless steel, these flex top locknuts have good chemical resistance and may be mildly magnetic.
These nylon locknuts form threads as they're tightened to resist vibration.
Choose these flange locknuts for their adherence to strict military standards for material and construction.
These flange locknuts have excellent resistance to chemicals and salt water. They have an irregularly shaped thread that grips the bolt for a stronger hold than nylon-insert flange locknuts.
Made from 18-8 stainless steel, these flange nuts have good chemical resistance.
These coupling nuts have good chemical resistance.
More corrosion resistant than 18-8 stainless steel coupling nuts, these nuts have excellent resistance to chemicals and salt water.
Brass coupling nuts are corrosion resistant in wet environments and electrically conductive.
Plastic coupling nuts are chemical resistant, nonconductive, and lightweight.
Stainless steel coupling nuts have excellent corrosion resistance in most environments.
Also known as clinch style captive nuts, press these nuts into a drilled or punched hole with an arbor press or similar pressure tool.
These press-fit nuts have a nylon insert that grips threads to resist loosening.
Also known as broach style captive nuts, these nuts have good chemical resistance and may be mildly magnetic.
These press-fit nuts are tin plated to resist corrosion from chemicals and salt water.
These tools include everything you need to install press-fit nuts by hand.
These thumb nuts have good chemical resistance and may be mildly magnetic.
These thumb nuts have good chemical resistance. The flange distributes pressure over a large area to reduce stress on your part.
These thumb nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. The flange distributes pressure over a large area to reduce stress on your part.
These cap nuts have good chemical resistance and may be mildly magnetic.
These cap nuts have excellent resistance to chemicals and salt water.
About half the strength of medium-strength steel cap nuts, use them in light duty fastening applications, such as securing access panels.
Brass cap nuts are corrosion resistant in wet environments and electrically conductive.
These square nuts have good chemical resistance and may be mildly magnetic.
About half the strength of medium-strength steel square nuts, use these nuts in light duty fastening applications, such as securing access panels.
Also known as flat-style speed nuts, these have large sides, so they're easy to push over threads by hand.
About half the strength of medium-strength steel threaded rods, use these for light duty hanging, mounting, and fastening.
18-8 stainless steel threaded rods have good chemical resistance.
More corrosion resistant than 18-8 and 410 stainless steel threaded rods, these 316 stainless steel rods have excellent resistance to chemicals and salt water.
One-third the weight of steel, aluminum threaded rods resist corrosion in wet environments.
Brass threaded rods are corrosion resistant in wet environments, electrically conductive, and nonmagnetic.
These steel studs are zinc plated to resist corrosion in wet environments.
18-8 stainless steel studs have good chemical resistance.
The tapered shape makes it easier to guide these inserts into a hole during installation. Use a drill bit to create a straight hole, then taper the top half.
Install these inserts into plastic parts to create a secure base for fasteners.
With the male threaded end on these inserts, mount components directly to plastic parts.
Made from brass, these inserts are electrically conductive, nonmagnetic, and have good corrosion resistance.
These 18-8 stainless steel inserts have better corrosion resistance than brass inserts and may be mildly magnetic.
These aluminum inserts are 70% lighter than brass inserts, electrically conductive, and nonmagnetic. They have good corrosion resistance, which is comparable to brass but not as good as stainless steel.
Made from brass, these inserts are nonmagnetic, corrosion resistant, and electrically conductive.
The flange keeps these inserts from pulling through a hole. Press them in from the underside of material, and install a screw from the top of material.
These 18-8 stainless steel inserts have better corrosion resistance than aluminum inserts and may be mildly magnetic.
70% lighter than stainless steel, these aluminum inserts are mildly corrosion resistant and nonmagnetic.
The barbed sides keep these securely in place even before a screw is installed.
Also known as Trisert inserts, these cut threads into plastic and have better holding power than press-fit inserts.
Made of Nitronic 60 stainless steel, these inserts prevent the screw from binding or sticking without any coating or lubricant that could contaminate particle-free environments.
A dry film keeps the screw from sticking or binding in these inserts during installation.
Eliminating the need for primer, these inserts are coated to resist corrosion when installed in different materials.
Made of nickel alloy, these inserts are more resistant to acids and salt water than stainless steel inserts.
A distorted thread grips the screw to resist loosening.
Inserts come with a through-hole tap and installation tool.
Assortments include various sizes of helical inserts and a tap, a drill bit, and an installation tool for each thread size.
Without a prong to break off and retrieve, these inserts are often used where debris could cause damage.
These inserts are made to stringent military specifications.
The strongest key-locking inserts we offer, these inserts are made to stringent military specifications.
Forming the strongest hold of any of our threaded inserts, these inserts have a distorted internal thread to lock screws into place and keys that drive into surrounding material to prevent slipping and rotating.
The knurled body holds these inserts in place in aluminum and other soft metals. Use an arbor press to install them in untapped holes.
Position components in assemblies, as well as separate or connect parts with these standoffs.
A nylon patch bonded to the threads adds friction, preventing these standoffs from loosening from vibration.
These standoffs are designed to fit in the limited space of compact electronics such as laptops and hand-held devices.
Change thread sizes or types, such as fine to coarse threads, on parts without changing gender.
Change inch threads to metric with these adapters, or swap metric threads for inch. An external hex lets you tighten or loosen them with a wrench.
Connect two differently sized male-threaded parts, such as threaded rods, and tighten with a standard wrench.
Adapt threaded rods from inch to metric. These adapters connect two male-threaded fasteners, so you can change the gender of a mating part or increase or decrease its thread size. The hex-shaped body fits into the head of a standard wrench.
Need to join two female-threaded parts, such as coupling nuts, with dissimilar inch thread sizes? Attach them to these adapters and tighten the exterior hex nut for a secure connection.
One side inch, one side metric, and a hex in the middle—these handy fasteners connect two female-threaded parts, such as coupling nuts, adapting from inch threads to metric. Tighten with a standard wrench.
Set one of these clamps between two workpieces in a fixture and tighten the screw to push the clamp's sides out for a secure hold.
Secure a workpiece from the inside, leaving the outside clear for machining.