Hillman 3/8-16 in. Diameter x 2-1/2 in. Length Stainless Steel Hex Head Cap Screw, 25-Pack

Regular price $39.99

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Stainless Steel 3/8-16 x 2-1/2 in. Hex Head Cap Screws (25-Pack)

Durable 18-8 stainless steel hex head cap screws for strong, corrosion-resistant fastening. Coarse-thread, partially threaded USS pattern with washer face under the head for a secure seal in outdoor or marine environments.


Key Features:

  • Corrosion-Resistant Stainless: 18-8 stainless steel resists rust for outdoor and marine use
  • Secure Hex Drive: Hex head with washer face for better seating and load distribution
  • Coarse Thread Grip: 3/8-16 USS, partially threaded shank for strong holds
  • Versatile Use: Ideal for machinery, construction, and general repairs where hex bolts are specified
  • Value Pack: 25 screws per box for jobsite efficiency

Specifications Table:

Specification Details
Diameter 3/8-16
Length 2-1/2 inch
Material 18-8 Stainless Steel
Head Type Hex head with washer face
Thread Type Coarse (USS)
Thread Coverage Partially threaded
Count 25 per pack
Packaging Type Boxed
Category Hex Bolts

Frequently Asked Questions (FAQ):

Q: What size are these screws?
A: They are 3/8-16 diameter with a 2-1/2 inch length.


Q: Are these fully threaded?
A: No, they are partially threaded (USS pattern) with coarse 3/8-16 threads.


Q: What material are they made of?
A: 18-8 stainless steel for enhanced corrosion resistance.


Q: Do they have a washer face?
A: Yes, there is a washer face under the head to improve sealing and load distribution.


Q: How are they installed?
A: Tighten with a wrench or compatible hex socket/driver into a nut or tapped hole.


Industrial polish that stands up to the elements

These stainless steel hex cap screws bring a refined industrial note to exposed hardware moments while delivering steadfast performance. I love the subtle sheen of 18-8 stainless—it feels purposeful and elevated. Try them on custom shelving brackets or architectural hardware where the fastener is part of the story. Their durability and clean geometry make them an essential detail for luxe, long-lasting design.


Upgrade your build with corrosion-resistant stainless strength—add this 25-pack to your cart today.

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