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ARMOR COAT Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 3 in lg - Grade 8 Steel Hex Head Cap Screws
ARMOR COATGrade 8 Steel Hex Head Cap Screws

ARMOR COAT Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 3 in lg

The ARMOR COAT Hex Head Cap Screw is a Grade 8 steel fastener in a 5/16"-18 coarse thread, 3-inch length, partially threaded, sold in a 25-pack. It meets ASME B18.2.1 dimensional standards and SAE J429 material…

SKU 3G-OTH-678821

Brand
ARMOR COAT
Item
Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 3 in lg
Category
Grade 8 Steel Hex Head Cap Screws
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Technical Specifications

ARMOR COAT
Manufacturer Part Number
UST235757
Type
Grade 8, Armor Coat, 5/16"-18, Coarse, 3 in lg, Partially Threaded, 25 PK
Pack Size
Small Pack
Dimensional Standards
ASME B18.2.1
Made in North America
Yes
System of Measurement
Inch
Hex Head Cap Screw Type
Hex Head Cap Screw
Material Quality Standards
SAE J429
View Full Spec Sheet

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ARMOR COAT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARMOR COAT Hex Head Cap Screw is a Grade 8 steel fastener in a 5/16"-18 coarse thread, 3-inch length, partially threaded, sold in a 25-pack. It meets ASME B18.2.1 dimensional standards and SAE J429 material quality standards, and is made in North America.

Frequently Asked Questions

What is a Grade 8 steel hex head cap screw used for?

A Grade 8 steel hex head cap screw is used in high-strength bolting applications such as heavy machinery, automotive assemblies, and structural connections. The ARMOR COAT 5/16"-18 coarse thread, 3-inch partially threaded screw provides reliable clamping force in demanding industrial environments.

What are the specifications of the ARMOR COAT hex head cap screw?

The ARMOR COAT hex head cap screw is Grade 8 steel, 5/16"-18 coarse thread, 3 inches long, partially threaded, sold in a 25-pack. It meets ASME B18.2.1 dimensional standards and SAE J429 material quality standards, and is made in North America.

Where to buy ARMOR COAT hex head cap screws worldwide?

3G Electric supplies ARMOR COAT hex head cap screws worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine fasteners to your facility. Contact us for pricing and lead time on the 25-pack of Grade 8, 5/16"-18 screws.

How to select the right hex head cap screw for high-strength applications?

Select a Grade 8 hex head cap screw when you need high tensile strength for critical bolting. Verify thread size, length, and partial threading against your joint design. The ARMOR COAT screw meets ASME B18.2.1 and SAE J429 standards, ensuring dimensional and material consistency for reliable performance.

ARMOR COAT Products

3G Electric supplies ARMOR COAT grade 8 steel hex head cap screws. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 1 3/4 in lg, Inch, SAE J429, 50 PK (MPN UST235753). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
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Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 1 3/4 in lg, Inch, SAE J429, 50 PK (MPN UST235753). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 1 1/2 in lg, Inch, SAE J429, 50 PK (MPN UST235752). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
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Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 1 1/2 in lg, Inch, SAE J429, 50 PK (MPN UST235752). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 1/2"-13, Coarse, 5 1/2 in lg, Inch, SAE J429, 5 PK (MPN UST235825). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: No; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
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Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 1/2"-13, Coarse, 5 1/2 in lg, Inch, SAE J429, 5 PK (MPN UST235825). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: No; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 3/8"-16, Coarse, 2 in lg, Partially Threaded, 25 PK (MPN UST235771). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
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Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 3/8"-16, Coarse, 2 in lg, Partially Threaded, 25 PK (MPN UST235771). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 4 in lg, Partially Threaded, 25 PK (MPN UST235759). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
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Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 5/16"-18, Coarse, 4 in lg, Partially Threaded, 25 PK (MPN UST235759). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 3/8"-16, Coarse, 3/4 in lg, Fully Threaded, 50 PK (MPN UST237590). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
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Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 3/8"-16, Coarse, 3/4 in lg, Fully Threaded, 50 PK (MPN UST237590). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 1/4"-20, Coarse, 1 3/4 in lg, Inch, SAE J429, 50 PK (MPN UST235735). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
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Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 1/4"-20, Coarse, 1 3/4 in lg, Inch, SAE J429, 50 PK (MPN UST235735). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
Hex Head Cap Screw: Steel, Grade 8, Armor Coat, 3/8"-16, Coarse, 3 1/2 in lg, Inch, SAE J429, 10 PK (MPN UST235776). Key specifications — Dimensional Standards: ASME B18.2.1; Made in North America: Yes; Material Quality Standards: SAE J429; Pack Size: Small Pack; System of Measurement: Inch; Hex Head Cap Screw Type: Hex Head Cap Screw.
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