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Durable 18-8 stainless steel hex head cap screws designed for high-torque fastening in tapped holes or with a nut. The 3/8-16 coarse thread and 1-1/2 inch length deliver reliable grip and corrosion resistance for marine and outdoor projects.
| Specification | Details |
|---|---|
| Thread Size | 3/8-16 USS |
| Length | 1-1/2 in |
| Head Type | Hex Head |
| Material | Grade 18-8 Stainless Steel |
| Thread Type | Machine, coarse |
| Shank | Partially threaded |
| Package Quantity | 50 pieces |
| Use | For use with a nut or in a tapped hole |
Q: Are these fully stainless, including threads and head?
A: Yes, they are made from Grade 18-8 stainless steel for consistent corrosion resistance.
Q: Do I need to pre-drill holes for installation?
A: Pre-drilling a hole that matches the bolt diameter is recommended for proper fit and torque.
Q: What nuts and washers should I use?
A: Use matching Grade 18-8 stainless steel USS nuts and washers with 3/8-16 thread for best results.
Q: Are the screws fully threaded?
A: They feature a partially threaded shank to improve clamping strength.
Q: Where are these best used?
A: Ideal for outdoor, marine, and general construction applications requiring corrosion resistance.
These stainless cap screws bring a refined, utilitarian elegance to assemblies—sleek, resilient, and impeccably crafted. The hex head profile offers a crisp architectural line while the 18-8 stainless finish lends a polished, modern sheen. Style them with matching stainless hardware to create a cohesive, elevated look across cabinetry, deck accents, or exposed mechanical details. A small but essential detail, they anchor projects in both durability and quiet luxury.
Choose Hillman stainless cap screws for dependable, corrosion-resistant fastening—stock up with the 50-pack today.
Ships within 48 hours · Estimated delivery Jun 19 - Jun 24
US$40
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