Tighten these screws by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening.

More corrosion resistant than 18-8 stainless steel screws, these 316 stainless steel screws have excellent resistance to chemicals and salt water.

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.

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.

Serrations under the head grip the material's surface for mild vibration resistance. The flange distributes pressure across the material's surface, eliminating the need for a washer.

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.

Drilled through the head and shaft, these screws vent fluid and gases trapped below the screw, making them good for vacuum applications.

316 stainless steel screws resist corrosion from chemicals and salt water better than 18-8 stainless steel screws. They may be mildly magnetic.

Made from 18-8 stainless steel, these metric pan head screws have good chemical resistance and may be mildly magnetic.

Made from nylon, these metric pan head screws are chemical and oil resistant, nonconductive, and lightweight. Exposure to moisture may cause them to expand.

More corrosion resistant than steel, and almost as strong, these 18-8 stainless steel screws have a narrower head than pan head screws to fit into tight spaces. They’re often used in electrical panels and next to flanges and raised surfaces in humid, damp, and washdown environments, but will corrode if exposed to salt water or chemicals.

Designed for use in food, pharmaceutical, and other sanitary environments, these screws have an extra-wide truss head that distributes holding pressure to reduce the likelihood of crushing thin materials.

These metric alloy steel 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.

Made from 18-8 stainless steel, these metric 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.

Choose these metric screws for fastening most machinery and equipment. They are twice as strong as low-strength steel screws.

These metric screws help prevent counterclockwise-moving parts from loosening. Use them for medium-strength fastening.

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 excellent corrosion resistance—comparable to 316 stainless steel—and the strength of steel. Use them for high-strength fastening in chemical and marine applications.

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.

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 18-8 stainless steel, these screws have good chemical resistance. A flange under the head distributes pressure over the surface, eliminating the need for a washer.

Choose these metric screws for high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are about 10% stronger than medium-strength steel screws. Their serrated flange helps to resist vibration.

These metric 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic.

These metric brass screws are electrically conductive, nonmagnetic, and have good corrosion resistance.

More corrosion resistant than 18-8 stainless steel screws, these metric screws have excellent resistance to chemicals and salt water.

Angled under the head, these metric screws fit in countersunk holes and sit flush with the surface of your part.

The metric-sized threads on these screws are the same diameter as the shoulder. Comparable in strength to Class 12.9 steel.

These screws have metric thread sizes. They are 18-8 stainless steel for good chemical resistance.

For metric thread sizes with excellent resistance to chemicals and salt water, choose these 316 stainless steel shoulder screws.

These metric screws have a head height that's about two-thirds the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines.

These metric 316 stainless steel shoulder screws are more corrosion resistant than 18-8 stainless steel shoulder screws. They also have excellent resistance to chemicals and salt water.

These metric set screws have good chemical resistance.

Made from alloy steel, these metric set screws have a thin edge that digs into hard surfaces for a secure hold. They have a nylon locking patch that grips threads to resist loosening.

These metric set screws have a tip that makes good contact on flat surfaces and allows you to make frequent adjustments with minimal surface damage.

Made of alloy steel, these metric set screws are strong and wear resistant. Their flat tip holds tightly on flat surfaces without damaging them, even when making frequent adjustments.

Made of chemical-resistant 18-8 stainless steel, these metric screws have an extra-soft nylon tip that reduces the noise, vibration, and damage that can occur from metal-on-metal contact. Use them on soft surfaces such as aluminum.

These metric set screws have a brass tip, which is harder than nylon and silver, for a secure hold on hard surfaces. The body has a black-oxide finish to resist corrosion in dry environments.

Also known as dog-point set screws, these metric set screws have a protruding tip that locks within a mating hole or slot to keep parts aligned. Made of 18-8 stainless steel, they have good chemical resistance.

Turn these metric screws by hand using the hex head, or tighten them with a wrench for extra torque. With an extended tip that locks into a mating hole or slot—sometimes known as a dog point—they are often used to align and secure parts such as gears and pulley wheels.

These metric 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.

These metric thumb screws are made of chemical-resistant 18-8 stainless steel. They have a raised head that makes them easy to grip.

Fasten material by hand, so tools don’t scratch or contaminate parts you frequently adjust in food-processing or pharmaceutical plants.

These metric thumb screws are made of chemical-resistant 18-8 stainless steel. Also known as dog- and pilot-point thumb screws, insert the point into a drilled hole or slot to hold items in place.

These bolts have good chemical resistance. Carriage bolts have a smooth, rounded head for a finished look. The square neck keeps these bolts from turning when tightening a nut.

Made from stainless steel, these chemical-resistant bolts have a square neck that keeps them from turning when tightening a nut. They're commonly used in tight spaces with moving parts, such as grain elevators and other belting systems, because the smooth, low-profile head provides a flush fit when installed.

These metric Grade B7 fine-threaded rods meet the pressure and temperature requirements of ASTM A193 and are often used to secure pressure tanks, valves, and flanges.

About half the strength of medium-strength steel threaded rods, use these metric fine-thread rods for light duty hanging, mounting, and fastening.

These metric threaded rods tighten when turned to the left; once fastened, they resist loosening from counterclockwise motion. About half the strength of medium-strength steel threaded rods, use them for light duty hanging, mounting, and fastening.

Class 12.9 rods are about 20% stronger than Class 10.9 threaded rods and are for use in heavy machinery.

These metric 316 stainless steel threaded rods are more corrosion resistant than 18-8 and 410 stainless steel threaded rods and have excellent resistance to chemicals and salt water.

Unlike metal rods, these metric threaded rods will not warp at extreme temperatures, making them ideal for heat treating and furnace fixtures.

These metric 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.

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.

Twist these adapters onto female metric threads to change pitch or switch thread sizes.

Install with a driver.

Identify equipment controls and components at a glance by their color. Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Made for use in food processing facilities, these plastic knobs have a metal additive that sets off metal detectors if a piece breaks off into your line.