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Twice as strong as low-strength steel screws, these screws are suitable for fastening most machinery and equipment.
Choose these metric screws for fastening most machinery and equipment. They are twice as strong as low-strength steel screws.
These screws are made to stringent Army-Navy specifications that ensure performance and reliability. They're comparable in strength to Grade 5 steel screws.
Made to Japanese Industrial Standards, these Class 8.8 steel screws are good for fastening most machinery and equipment.
Made from Grade 8 steel, these screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws.
Choose these metric screws for high-strength fastening. Often used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems, these screws are at least 25% stronger than medium-strength steel screws.
When clearance for a wrench is limited, these screws have a Phillips drive so you can install them with a screwdriver. They are used for high-strength fastening.
Tighten these screws by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening. For use in high-strength fastening applications.
About half as strong as medium-strength steel screws, these screws can be used for light duty fastening applications, such as securing access panels.
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.
Plastic screws are chemical and oil resistant, nonconductive, and lightweight.
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—stronger than medium-strength steel screws and about 40% lighter.
Bronze screws are 30% stronger than brass screws and provide more corrosion resistance to salt water, gases, and sewage. They are nonmagnetic and electrically conductive.
These Grade B7 steel screws are nearly twice as strong as our stainless steel screws for high-pressure applications. Also known as pressure bolts, they meet the high-pressure, high-temperature regulations of ASTM A193 and are used to secure pressure tanks, valves, and flanges.
Made from Grade 8 steel, these screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws. The flange distributes pressure over the surface, eliminating the need for a washer.
Made to Japanese Industrial Standards, these Class 10.9 steel screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws. The flange eliminates the need for a washer.
Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. The flange distributes pressure where the screw meets the surface, eliminating the need for a washer.
Install these screws with a wrench or a screwdriver. Made from stainless steel, they have good corrosion resistance. A flange under the head means a separate washer is not necessary.
Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. Serrations under the flange provide mild vibration resistance.
Made from 18-8 stainless steel, these screws have good chemical resistance. Their flange is serrated to help prevent loosening from vibration.
Place a cotter pin through the hole in the shank to keep a nut from loosening. These screws have a stronger hold than screws with thread lockers or lock washers.
Also known as Sems screws, these screws have a permanently attached but freely rotating tooth lock washer that bites into the mating surface for vibration resistance.
An O-ring under the head prevents leaks and seals out contaminants.
These steel screws have corrosion-resistant finishes.
These steel screws are zinc plated to resist corrosion in wet environments.
Made from 410 stainless steel, these screws are strong, wear resistant, and mildly chemical resistant.
The green color identifies these as grounding screws. They have a flange that provides a wide flat surface for making solid electrical connections.
These screws have a hex head for a secure grip with a wrench.
The standard for high-strength fastening.
These screws are specially tempered to meet ASTM A193 specifications for temperatures up to 1100° F.
Choose these screws for their adherence to strict military standards for material and construction.
Tighten these screws by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening.
Cleaned and double bagged in an ISO Class 5 (Fed. Std. Class 100) clean room, these screws are ready to use on chambers and components in high-vacuum systems.
Tighten these screws by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening. Made from 18-8 stainless steel, these screws have good chemical resistance.
These screws are hardened to be 40% stronger than standard 316 stainless steel screws, yet they still have excellent corrosion resistance. Use them in chemical and marine applications.
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.
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.
Aluminum screws are one-third the weight of steel and have good corrosion resistance.
More corrosion resistant than stainless steel screws, nickel alloy screws have excellent resistance to salt water and some acids.
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.
Nearly as strong as steel, these stainless steel screws won’t rust in outdoor, washdown, and other corrosive environments. With half the height of a standard socket head, these low-profile screws fit in tight spaces.
More corrosion resistant than 18-8 stainless steel screws, these 316 stainless steel screws have excellent resistance to chemicals and salt water. Use these low-profile screws where space is limited.
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.
More corrosion resistant than 18-8 stainless steel screws, these 316 stainless steel screws have excellent resistance to chemicals and salt water. Their ultra-low-profile lets them 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.
For use where sideways forces are a concern, these screws have a precisely measured unthreaded portion (grip) for a strong hold. Their flanged head distributes pressure where the screw meets the surface, so you don't need a washer.
These general purpose flanged screws distribute pressure where the screw meets the surface, eliminating the need for a washer.
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.
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.
These screws have good chemical resistance. A thread locker bonded to the threads prevents loosening from vibration.
More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water. They have a thread locker to resist vibration.
Stainless steel screws have excellent corrosion resistance in most environments. They have a split lock washer to create tension and resist loosening from vibration.
With a tensile strength of 180,000 psi, these alloy steel screws are among the strongest we carry. They are stronger than Grade 8 steel screws and more than two and a half times stronger than stainless steel screws with split lock washer. The split lock washer helps to resist vibration.
A rubber O-ring under the head of these screws 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.
Fasten these screws inside a high-vacuum system without bringing in contaminants.
A freely rotating washer distributes pressure over a wider area than a flange, preventing damage to your material's surface.
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.
The nonmarring brass tip is electrically conductive and harder than nylon, but soft enough to conform to most surfaces and reduce damage from metal-on-metal contact.
Nonconductive and softer than brass, the nylon tip reduces vibration and eliminates damage from metal touching metal.
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.
Closely spaced threads on these screws fit in holes with a fine pitch. They're not compatible with standard metric threads.
Brass button head screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
Known for their high strength-to-weight ratio, these titanium screws are as strong as alloy steel and about 40% lighter. They stand up to salt water, acids, and chemicals.
18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. The flange distributes pressure across a wide surface, eliminating the need for a separate washer.
More corrosion resistant than 18-8 stainless steel screws, these screws have excellent resistance to chemicals and salt water. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer. Screws may be mildly magnetic.
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.
Comparable in diameter to a washer, the flange on these screws distributes pressure better than standard flanged screws. Made from 316 stainless steel, they have excellent resistance to chemicals and salt water. Screws may be mildly magnetic.
These aluminum screws are lightweight and resist corrosion in wet environments. They have a flange that is wider and thicker than our other flanged screws, so they distribute pressure the best.
Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. The flange is wider and thicker than our other flanged screws, so they distribute pressure the best.
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.
Tighten these screws by turning them to the left; once fastened, they prevent loosening from counterclockwise motion. Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic.
These 18-8 stainless steel button head screws have good chemical resistance and may be mildly magnetic. The tamper-resistant hex drive (also known as a pin-in hex drive) makes them difficult to remove without special tools.
These screws are drilled through the shaft to vent fluids and gases trapped under the screw. Made from 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic.
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.
Made from alloy steel, these screws are nearly twice as strong as stainless steel flat head screws.
Stainless steel screws have excellent corrosion resistance in most environments.
These screws are drilled through the shaft to vent fluids and gases trapped under the screw.
A tamper-resistant hex drive (also known as pin-in hex drive) makes these screws difficult to remove without special tools.
Tighten these screws by turning them to the left; once fastened, they prevent loosening from counterclockwise motion.
Made from 18-8 stainless steel, these set screws have good chemical resistance.
Choose these set screws for their adherence to strict military standards for material and construction.
Made from 316 stainless steel, these set screws have excellent chemical resistance and can be used in saltwater environments.
These alloy steel set screws have a thin edge that digs into hard surfaces for a secure hold. They're available in metric sizes.
Made from alloy steel, these inch size set screws have a thin edge that digs into hard surfaces for a secure hold.
Brass set screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
More corrosion resistant than stainless steel, nickel alloy set screws have excellent resistance to salt water and some acids.
Made from black-oxide alloy steel, these set screws resist corrosion in dry environments. They dig into hard surfaces for a secure hold and have serrations on the cup edge that grip the material surface to resist loosening.
Made from 18-8 stainless steel, these set screws are chemical resistant. They have serrations on the cup edge that grip the material surface to resist loosening.
These alloy steel set screws have a thin edge that digs into hard surfaces for a secure hold. A nylon locking element grips threads to resist loosening.
More corrosion resistant than 18-8 stainless steel set screws, these have excellent resistance to chemicals and salt water.
These 18-8 stainless steel set screws are chemical resistant. They have a nylon locking patch that grips threads to resist loosening.
These inch size set screws are vented to allow fluid and gas to pass through.
The tip makes good contact on flat surfaces and allows you to make frequent adjustments with minimal surface damage.
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 nylon set screws are chemical resistant, lightweight, and nonconductive. The tip makes good contact on flat surfaces and allows you to make frequent adjustments with minimal surface damage.
A nylon locking patch grips threads to resist loosening.
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 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.
Made of alloy steel, these set screws are often used in U-shaped and V-shaped grooves and on other sloped or angled surfaces. The oval tip allows for frequent adjustments with minimal surface damage.
These set screws have good chemical resistance.
Also known as jam set screws, these lock other screws in place, hold pins, and adjust spring tension. A black-oxide finish provides corrosion resistance in dry environments.
Stainless steel set screws have excellent corrosion resistance in most environments.
Also known as half dog-point set screws, these set screws have a protruding tip that locks within a mating hole or slot to keep parts aligned.
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.
Also known as full dog-point set screws, the tip is twice as long as the tip on other extended-tip set screws for greater engagement in deep mating holes.
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.
The tip is narrow to pass through threaded holes.
Comparable in strength to Grade 8 steel. These screws have inch thread sizes.
Use these screws in thin materials; they have a shorter threaded portion than our standard shoulder screws. They’re comparable in strength to Grade 8 steel.
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.
With inch-sized threads the same diameter as the shoulder, these screws can handle heavy loads. They’re 18-8 stainless steel for good chemical resistance.
Made from 18-8 stainless steel, these inch-sized shoulder screws have good chemical resistance.
Screw these shoulders onto a stud.
These shoulder screws come with a traceable lot number and material test report.
Install and remove these shoulder screws by hand or with a hex key.
Made of 416 stainless steel, these shoulder screws are almost twice as strong as 18-8 stainless steel and have the same corrosion resistance.
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.
Brass shoulder screws are electrically conductive, nonmagnetic, and have good corrosion resistance.
Comparable to Grade 8 steel, these screws are the strongest precision shoulder screws we offer.
Install these socket head screws through a hole and thread on a retainer to keep secure—no special tools are required.
These steel thumb screws have a black-oxide finish to resist corrosion in dry environments.
Stainless steel thumb screws have excellent corrosion resistance in most environments.
Tighten these thumb screws by hand or with a hex key for more torque.