Grade 5 Hex Head Cap Screws
Grade 5 (USS) Hex Head Cap Screws - Zinc Plated
Achieve reliable clamping force with these Grade 5 screws, identified by 3 radial lines. A washer face under the head and chamfered tip ensure quick, stable installation, while zinc plating guards against rust. Compliant with U.S. standards and IFI specs, they’re perfect for repairs, manufacturing, or everyday equipment maintenance.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
| 1/2" | 1/4"-20 | Coarse | 25 |
350404J
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| 1/2" | 1/4"-20 | Coarse | 100 |
350404
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| 5/8" | 1/4"-20 | Coarse | 100 |
350405
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| 3/4" | 1/4"-20 | Coarse | 25 |
350406J
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| 3/4" | 1/4"-20 | Coarse | 100 |
350406
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| 7/8" | 1/4"-20 | Coarse | 100 |
350407
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| 1" | 1/4"-20 | Coarse | 25 |
350408J
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| 1" | 1/4"-20 | Coarse | 100 |
350408
|
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| 1-1/4" | 1/4"-20 | Coarse | 25 |
350410J
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| 1-1/4" | 1/4"-20 | Coarse | 100 |
350410
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| 1-1/2" | 1/4"-20 | Coarse | 25 |
350412J
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| 1-1/2" | 1/4"-20 | Coarse | 100 |
350412
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Grade 5 (SAE) Hex Head Cap Screws - Zinc Plated
Ideal for applications needing precise torque, these SAE-grade 5 screws offer consistent performance. The washer face under the head ensures a smooth bearing surface, and the chamfered tip eases assembly. Marked with 3 radial lines, they comply with standard tolerances and IFI specs. Zinc plating combats corrosion for dependable service.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
| 1/2" | 1/4"-28 | Fine | 100 |
360404
|
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| 3/4" | 1/4"-28 | Fine | 100 |
360406
|
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| 1" | 1/4"-28 | Fine | 100 |
360408
|
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| 1-1/4" | 1/4"-28 | Fine | 100 |
360410
|
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| 1-1/2" | 1/4"-28 | Fine | 100 |
360412
|
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| 1-3/4" | 1/4"-28 | Fine | 100 |
360414
|
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| 2" | 1/4"-28 | Fine | 100 |
360416
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| 2-1/4" | 1/4"-28 | Fine | 50 |
360418
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| 2-1/2" | 1/4"-28 | Fine | 50 |
360420
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| 2-3/4" | 1/4"-28 | Fine | 50 |
360422
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| 3" | 1/4"-28 | Fine | 50 |
360424
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| 3-1/2" | 1/4"-28 | Fine | 25 |
360428
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Grade 5 (USS) Hex Head Cap Screws - Plain Finish
Use these Grade 5 screws for general industrial assemblies requiring consistent tension. Clearly marked with 3 radial lines, they meet American standard tolerances and Industrial Fastener Institute specs. A washer face provides a smooth bearing surface, while the chamfered tip speeds installation. Plain finish is ideal for standard applications.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
| 1/4" | 1/4"-20 | Coarse | 100 |
3520414
|
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| 1/2" | 1/4"-20 | Coarse | 100 |
3520404
|
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| 3/4" | 1/4"-20 | Coarse | 100 |
3520406
|
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| 1" | 1/4"-20 | Coarse | 100 |
3520408
|
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| 1-1/4" | 1/4"-20 | Coarse | 100 |
3520410
|
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| 1-1/2" | 1/4"-20 | Coarse | 100 |
3520412
|
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| 2" | 1/4"-20 | Coarse | 100 |
3520416
|
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| 2-1/4" | 1/4"-20 | Coarse | 50 |
3520418
|
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| 2-1/2" | 1/4"-20 | Coarse | 50 |
3520420
|
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| 2-3/4" | 1/4"-20 | Coarse | 50 |
3520422
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| 3" | 1/4"-20 | Coarse | 50 |
3520424
|
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| 3-1/4" | 1/4"-20 | Coarse | 25 |
3520426
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Grade 5 (USS) Hex Head Cap Screws - Yellow Zinc Plated
Designed for 120,000 PSI tensile strength, these Grade 5 hex cap screws feature a ROHS-compliant yellow zinc plating that boosts corrosion resistance. They provide full traceability for added confidence. Perfect for automotive, machinery, or structural uses that demand reliability, high strength, and easy identification.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
| 1/2" | 1/4"-20 | Coarse | 100 |
3540404
|
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| 3/4" | 1/4"-20 | Coarse | 100 |
3540406
|
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| 1-1/2" | 1/4"-20 | Coarse | 100 |
3540412
|
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| 3" | 1/4"-20 | Coarse | 50 |
3540424
|
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| 4" | 1/4"-20 | Coarse | 25 |
3540432
|
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Diameter: 5/16"
| Length | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
| 1/2" | 5/16"-18 | Coarse | 100 |
3540504
|
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| 3/4" | 5/16"-18 | Coarse | 100 |
3540506
|
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| 1-1/4" | 5/16"-18 | Coarse | 100 |
3540510
|
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| 1-1/2" | 5/16"-18 | Coarse | 100 |
3540512
|
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| 1-3/4" | 5/16"-18 | Coarse | 100 |
3540514
|
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| 2" | 5/16"-18 | Coarse | 100 |
3540516
|
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| 2-1/4" | 5/16"-18 | Coarse | 50 |
3540518
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Grade 5 (USS) Fully Threaded Hex Head Tap Bolts - Zinc Plated
Fully threaded for maximum engagement, these Grade 5 tap bolts are marked with 3 radial lines and meet strict IFI tolerances. The built-in washer face and chamfered tip ensure smooth, accurate assembly. Zinc plating resists corrosion, making them suitable for broad industrial uses, repairs, or maintenance tasks.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
| 1" | 1/4"-20 | Coarse | 100 |
354408
|
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| 1-1/4" | 1/4"-20 | Coarse | 100 |
354410
|
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| 1-1/2" | 1/4"-20 | Coarse | 100 |
354412
|
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| 2" | 1/4"-20 | Coarse | 100 |
354416
|
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| 2-1/2" | 1/4"-20 | Coarse | 50 |
354420
|
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| 3" | 1/4"-20 | Coarse | 50 |
354424
|
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Diameter: 5/16"
| Length | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|
| 1" | 5/16"-18 | Coarse | 100 |
354508
|
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| 1-1/4" | 5/16"-18 | Coarse | 100 |
354510
|
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| 1-1/2" | 5/16"-18 | Coarse | 100 |
354512
|
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| 1-3/4" | 5/16"-18 | Coarse | 100 |
354514
|
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| 2" | 5/16"-18 | Coarse | 100 |
354516
|
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| 2-1/2" | 5/16"-18 | Coarse | 50 |
354520
|
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Pkg Qty: 100
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Kimball Midwest offers a comprehensive selection of Grade 5 Hex Head Cap Screws, ideal for applications requiring high strength and reliability. Our hex cap screw bolts are marked with three radial lines to identify their Grade 5 rating, ensuring they meet American standards and Industrial Fastener Institute requirements. These hex head bolts are designed with a washer face under the head, providing a smooth bearing surface for optimal performance during assembly. The chamfered tip allows for easy and efficient installation.
Our hex head cap screws are available in zinc-plated finishes for enhanced durability and corrosion resistance. These fasteners are perfect for a variety of industrial applications, offering strength and reliability for both light and heavy-duty projects. Alongside hex cap screws, we offer complementary components such as hex nuts, ultra-lock nuts, flat washers and split lock washers to meet all your fastening needs.
For fully threaded applications, we also provide fully threaded hex head tap bolts, designed with similar specifications to our cap screws. Available in various sizes, these hex screws and bolts offer a versatile solution for fastening and assembly. All of our Grade 5 hex head cap screws and hex bolt screws are made in the USA.
Contact a local sales representative today to get the hex head bolts you need
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