Stainless Steel Hex Cap Screw, 5/16-18 x 1-1/4 in (100-Pack)

Durable 18-8 stainless steel hex head cap screws designed for high-torque fastening in tapped holes or with a nut. The coarse-thread USS design delivers reliable hold and corrosion resistance for indoor and outdoor projects.

---

Key Features:

• Corrosion-Resistant Stainless Steel: 18-8 finish withstands moisture and harsh environments
• High-Torque Hex Head: Machine threads and hex cap head accept wrench or drill for strong tightening
• Washer Face Under Head: Provides improved seal and load distribution
• Coarse USS Thread: Partially threaded shank for versatile fastening applications
• Bulk Value: 100 screws per boxed retail package

---

Specifications Table:

Specification	Details
Diameter	5/16-18
Length	1-1/4 inch
Material	Stainless Steel (18-8)
Head Type	Hex cap
Thread Type	Coarse (USS)
Number in Package	100
Packaging Type	Boxed
Washer Face	Yes, under head for better seal
Installation	Tighten with wrench or drill
Unit of Measurement	Imperial

---

Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are coarse USS screws with a partially threaded shank.

---

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

---

Q: What tools are needed for installation?
A: Tighten using a wrench or a drill with the appropriate socket/bit.

---

Q: Can these be used outdoors?
A: Yes. The stainless steel construction resists rust, making them suitable for outdoor and damp environments.

---

Q: How many screws come in the package?
A: 100 pieces per retail package.

---

Crisp, Industrial Chic Fasteners

These stainless cap screws introduce a refined, utilitarian edge that elevates built-in cabinetry, exposed shelving, and custom hardware moments. The hex head profile offers a sleek, architectural punctuation while the silvery finish keeps the look polished. Pair them with brushed steel brackets or matte white surfaces for contrast and cohesion. A small detail with a big design dividend—essential for sophisticated, lasting installations.

---

Upgrade your next project with corrosion-resistant, high-torque Hillman stainless cap screws—add the 100-pack to your cart today.