Hillman 3/8-16 x 4 in. Stainless Steel Hex Cap Screws (25-Pack)

Durable stainless steel hex head cap screws designed for strong, corrosion-resistant fastening. Sized 3/8-16 x 4 inches, they’re ideal for outdoor or heavy-duty applications and come in a convenient 25-pack.

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Key Features:

• Corrosion Resistance: Stainless steel construction stands up to outdoor and wet environments
• Secure Fastening: Hex head design provides strong torque and tight, reliable clamping
• Standard Thread: 3/8-16 coarse thread for broad compatibility with nuts and tapped holes
• Convenient Pack Size: 25 screws per box for jobsite or shop efficiency
• Versatile Use: Suitable for machinery, construction, and general hardware projects

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Specifications Table:

Specification	Details
Material	Stainless Steel
Head Style	Hex
Thread Size	3/8-16 (UNC)
Length	4 inches
Thread Style	Right Hand
Thread Coverage	Partially Threaded
Fastener Type	Hex Cap Screw / Hexagon Bolt
Color/Finish	Stainless Steel
Item Weight	3.3 pounds (package)
Item Model Number	831642
Measurement System	Imperial
Package Quantity	25
Product Dimensions (package)	4.6 x 3.4 x 2.3 inches
Includes	25 stainless steel hex cap screws

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Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are partially threaded, offering strong grip with an unthreaded shank section.

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Q: What is the thread type?
A: Coarse thread 3/8-16 UNC with right-hand threading.

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Q: Can I use these outdoors?
A: Yes. The stainless steel material resists rust and corrosion for outdoor use.

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Q: Do they require a washer?
A: A built-in washer surface under the hex head improves sealing; separate washers may still be used as needed.

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Q: What socket size fits the head?
A: Use a hex wrench or socket sized for standard 3/8-16 hex cap screw heads; check tool fit before tightening.

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Industrial polish with enduring strength

These stainless hex cap screws bring a crisp, tailored hardware detail to cabinetry, custom shelving, and exposed mechanical joints. The clean hex head and luminous steel finish feel both utilitarian and refined. Pair them with dark-stained wood or powder-coated steel for a chic, atelier vibe. An essential touch that marries performance with elevated, modern craft.

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Choose these stainless steel hex cap screws for reliable, rust-resistant fastening—stock up with the 25-pack today.