System of Measurement System of Measurement |
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Diameter Diameter | Show |
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Diameter Diameter | Hide |
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Shape Shape |
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![]() | Rod and Disc |
Fabrication Fabrication |
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Hardness Rating Hardness Rating |
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Hardness Hardness |
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Specifications Met Specifications Met |
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Tolerance Rating Tolerance Rating |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Appearance Appearance |
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Yield Strength Yield Strength |
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Performance Properties Performance Properties |
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Heat Treatment Heat Treatment |
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Low-Carbon Steel Grade Low-Carbon Steel Grade |
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Aluminum Performance Properties Aluminum PerformanceProperties |
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Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
For technical drawings and 3-D models, click on a part number.
Dia. | Dia. Tolerance | Yield Strength, psi | Hardness | Max. Hardness After Heat Treatment | Each | |
1/2" Lg. | ||||||
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4 1/2" | -0.005" to 0" | 54,000 | Rockwell B70 (Medium) | Not Rated | 00000000 | 000000 |
1" Lg. | ||||||
4 1/2" | -0.005" to 0" | 54,000 | Rockwell B70 (Medium) | Not Rated | 00000000 | 00000 |
3" Lg. | ||||||
4 1/2" | -0.005" to 0" | 54,000 | Rockwell B70 (Medium) | Not Rated | 00000000 | 00000 |
6" Lg. | ||||||
4 1/2" | -0.005" to 0" | 54,000 | Rockwell B70 (Medium) | Not Rated | 00000000 | 000000 |
An oversized diameter allows for finishing to your exact requirements. Gray cast iron machines faster with less wear on cutting tools than most types of steel. It also absorbs vibration, so finished parts run quieter than those made of steel. It's often used for gears, pulleys, rollers, and bushings.
Ductile cast iron is strong, resilient, and able to handle repeated stress without breaking. It also absorbs vibration, so finished parts run quieter than those made of steel.
Widely used for fabricating fittings and fasteners, 303 stainless steel machines quickly without sticking to cutting tools. It maintains its corrosion resistance up to the maximum temperature.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
A traceable lot number and test report is furnished with each piece. Widely used for fabricating fittings and fasteners, 303 stainless steel machines quickly without sticking to cutting tools. It maintains its corrosion resistance in temperatures up to 1500° F.
With a higher chromium content than 15-5 PH stainless steel, this high-strength 17-4 PH offers better corrosion resistance. It is also known as 630 stainless steel. This material maintains its corrosion resistance in temperatures up to 1100° F.
The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.
These rods come with a traceable lot number and test report. The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.
Originally developed for aircraft frames, uses for 7075 aluminum now include keys, gears, and other high-stress parts. It is often used as a replacement for 2024 aluminum because it’s stronger and provides similar performance in all other aspects.
While 2024 aluminum was initially designed for structural components in aircraft, it's now widely used when a high strength-to-weight ratio is needed, such as for gears, shafts, and fasteners. It offers similar performance to 7075 aluminum, but it’s not as strong.
With the highest lead content of all the brass alloys, 360 offers the best machinability. Often called free-machining and free-cutting brass, it stands up to high-speed drilling, milling, and tapping operations with minimal wear on your tools. It’s commonly used for gears, pinions, and lock components.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
These rods come with a traceable lot number and test report. With the highest lead content of all the brass alloys, 360 offers the best machinability. Often called free-machining and free-cutting brass, it stands up to high-speed drilling, milling, and tapping operations with minimal wear on your tools. It’s commonly used for gears, pinions, and lock components.
Diameter is oversized to allow for finishing. Offering excellent antifriction qualities, 932 bronze also offers good strength and wear resistance. It's also known as SAE 660 and is often used for bearings, bushings, and thrust washers.
954 bronze contains a minimum of 10% aluminum for strength and weldability. It is also known as aluminum bronze. It's widely used for bearings, bushings, valve bodies, and worm gears.
Because these naturally slippery, wear-resistant rods and discs resist expanding when exposed to heat and moisture, they can be easily machined to close tolerances. They are a good choice for parts that require precision, such as gears, bushings, and bearings. Delrin® acetal resin is also known as acetal homopolymer; it is stronger and stiffer than acetal copolymer.
Made of naturally slippery acetal copolymer, these rods and discs are an economical alternative to Delrin® acetal resin. They offer similar wear resistance and are equally resistant to expanding when exposed to heat and moisture. They can be machined to close tolerances and are often used to make precision gears, bushing, bearings, and rollers.
Offering a low-friction surface that prevents sticking and binding, these rods and discs are often machined into bushings and bearings. UHMW is impact and wear resistant to handle the scuffs, scrapes, and strikes that other plastics can’t.
The addition of MDS gives these rods exceptional wear resistance along with a self-lubricating surface. They’re made of cast nylon 6, which is easier to machine than other MDS-filled nylon rods, plus they are better electrical insulators. Use them to fabricate gears, sprockets, wear strips, and other high-friction parts. This material is comparable to Nylatron and Nycast.
Dia. | Tolerance Rating | Length, ft. | Each | |
4 1/2" | Oversized | 1 | 00000000 | 0000000 |
With nearly the same chemical resistance as standard PVC Type 1, these PVC Type 2 rods are more impact resistant. Use them to make parts for chemical-processing applications where protection from bumps and strikes is required. They offer excellent formablility and are good electrical insulators.
Often machined into bearings, gears, cams, and valve seats, these wear-resistant nylon 6/6 rods and discs have a slippery surface that reduces friction.
Offering the same resistance to acids and alkalies as PVC, these CPVC rods stand up to higher temperatures. Use them to make parts for use in chemical-processing applications. CPVC is easy to thermoform and it’s an excellent electrical insulator.
Because these cast nylon 6 rods and discs are easier to machine than standard nylon 6/6, they’re often made into pulleys, screws, bushings, and bearings. They’re also better electrical insulators. They have a wear-resistant, slippery surface that reduces friction. This material is comparable to Nylatron and Nycast.
Dia. | Dia. Tolerance | Lg., ft. | Each | |
4 1/2" | 0.000" to 0.250" | 1 | 00000000 | 000000 |
These rods and discs are made of PTFE, a material that surpasses most plastics when it comes to chemical resistance and performance in extreme temperatures. In addition to resisting most solvents, they are an excellent electrical insulator. They are easy to machine and have a naturally slippery surface that makes them a good choice for bearings, gears, and parts that slide and roll.
Widely used to make sight windows and light fixture lenses, these cast acrylic rods and discs maintain clarity over time. They are scratch and UV resistant and stand up to outdoor use better than polycarbonate. Comparable to Lucite and Plexiglas® Acrylic, cast acrylic is easier to machine than extruded acrylic.
Sometimes called canvas-grade industrial laminate, phenolic, and Bakelite, these Garolite CE rods are often fabricated into parts where high strength is not required. They are made of a phenolic resin with cotton fabric reinforcement, which makes them easy to machine into mechanical parts, such as pulleys, gears, bushings, and washers.
Made of a flame-retardant epoxy resin with fiberglass fabric reinforcement, these G-10/FR4 rods are a good all-around choice. They are strong, machinable, and electrically insulating. Garolite G-10/FR4 is also called epoxy-grade industrial laminate and phenolic.