System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Material Material |
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Threading Threading |
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Drive Style Drive Style |
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| Hex | External Hex |
Thread Type Thread Type |
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Thread Fit Thread Fit |
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Thread Spacing Thread Spacing |
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Drive Size Drive Size |
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Tensile Strength Tensile Strength |
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Hardness Hardness |
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Thread Direction Thread Direction |
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Socket Head Profile Socket Head Profile |
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 | Standard |
Finish Finish |
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Body Style Body Style |
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| With Shoulder | Without Shoulder |
About Threaded Studs and Rods
More
About Socket Head Screws
More
About Hex Head Screws and Bolts
More
Alloy Steel Socket Head Screws
With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch.
Screws that meet ASTM A574, ASTM A574M, and ISO 898-1 comply with specifications and testing requirements for material quality.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
1 3/4"-5 | |||||||||||
Black-Oxide Alloy Steel | |||||||||||
| 4" | Fully Threaded | __ | Coarse | 2 5/8" | 1 3/4" | 1 1/4" | 170,000 | ASTM A574 | 1 | 000000000 | 000000 |
| 6" | Partially Threaded | 4 3/8" | Coarse | 2 5/8" | 1 3/4" | 1 1/4" | 170,000 | ASTM A574 | 1 | 000000000 | 00000 |
| 8" | Partially Threaded | 4 3/8" | Coarse | 2 5/8" | 1 3/4" | 1 1/4" | 170,000 | ASTM A574 | 1 | 000000000 | 00000 |
| 10" | Partially Threaded | 4 3/8" | Coarse | 2 5/8" | 1 3/4" | 1 1/4" | 170,000 | ASTM A574 | 1 | 000000000 | 00000 |
High-Strength Grade 8 Steel Hex Head Screws
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. Grade 8 steel hex head screws are marked with six radial lines. Length is measured from under the head.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch. Screws that meet ASTM A354BD or SAE J429 comply with specifications and testing requirements for material quality. Screws that meet ASME B18.2.1 or ASME B18.6.3 comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Wd. | Ht. | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Grade 8 Steel | ||||||||||
1 3/4"-5 | ||||||||||
| 6" | Partially Threaded | 3 3/4" | Coarse | 2 5/8" | 1 3/32" | 150,000 | ASME B18.2.1, ASTM A354BD | 1 | 000000000 | 000000 |
| 8" | Partially Threaded | 4" | Coarse | 2 5/8" | 1 3/32" | 150,000 | ASME B18.2.1, ASTM A354BD | 1 | 000000000 | 00000 |
| 10" | Partially Threaded | 4" | Coarse | 2 5/8" | 1 3/32" | 150,000 | ASME B18.2.1, ASTM A354BD | 1 | 000000000 | 00000 |
Medium-Strength Grade 5 Steel Hex Head Screws
Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. Dimensions meet ASME B18.2.1 specifications. Grade 5 steel hex head screws are marked with three radial lines. Length is measured from under the head.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch. Screws that meet ASTM A449 or SAE J429 comply with specifications and testing requirements for material quality.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Wd. | Ht. | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Grade 5 Steel | ||||||||||
1 3/4"-5 | ||||||||||
| 5" | Partially Threaded | 4 1/2" | Coarse | 2 5/8" | 1 3/32" | 90,000 | ASME B18.2.1, ASTM A449 | 1 | 000000000 | 000000 |
| 6" | Partially Threaded | 3 3/4" | Coarse | 2 5/8" | 1 3/32" | 90,000 | ASME B18.2.1, ASTM A449 | 1 | 000000000 | 00000 |
| 8" | Partially Threaded | 4" | Coarse | 2 5/8" | 1 3/32" | 90,000 | ASME B18.2.1, ASTM A449 | 1 | 000000000 | 00000 |
Super-Corrosion-Resistant 316
Stainless Steel Hex Head Screws
More corrosion resistant than 18-8 stainless steel screws, these 316 stainless screws have excellent resistance to chemicals and salt water. They may be mildly magnetic. Length is measured from under the head.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch.
Screws that meet ASME or ISO (formerly DIN) specifications comply with these dimensional standards.
For technical drawings and 3-D models, click on a part number.
High-Strength Steel Threaded Rods
Grade 8 steel threaded rods are about 25% stronger than medium-strength steel rods.
For technical drawings and 3-D models, click on a part number.
Medium-Strength Steel Threaded Rods—Grade B7
These Grade B7 threaded rods meet the pressure and temperature requirements of ASTM A193 and are often used to secure pressure tanks, valves, and flanges.
For technical drawings and 3-D models, click on a part number.
Eyebolts—For Lifting
Also known as machinery eyebolts.
Zinc-plated steel eyebolts offer good corrosion resistance.
Note: Capacities listed are for vertical lifting only. Eyebolts with shoulder can be used for angular lifting up to 45°, but the capacities will be significantly reduced. For angular lifting, we recommend Hoist Rings. Eyebolts without shoulder are for vertical lifting only.
Warning: Never use to lift people or items over people.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||
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| Size | Lg. | Shank Lg. | Eye Dia. | Vertical Capacity, lbs. | Overall Lg. | Each | |
With Shoulder | |||||||
Steel | |||||||
| 1 3/4"-5 | 3 3/4" | 3 3/4" | 2 7/8" | 28,000 | 11 1/8" | 0000000 | 000000 |
Zinc-Plated Steel | |||||||
| 1 3/4"-5 | 3 3/4" | 3 3/4" | 2 7/8" | 28,000 | 11 1/8" | 00000000 | 000000 |
Without Shoulder | |||||||
Steel | |||||||
| 1 3/4"-5 | 3 3/4" | 3 3/4" | 2 7/8" | 28,000 | 9 3/4" | 0000000 | 00000 |
Zinc-Plated Steel | |||||||
| 1 3/4"-5 | 3 3/4" | 3 3/4" | 2 7/8" | 28,000 | 9 3/4" | 00000000 | 00000 |