Hillman 5/16-18 x 1-1/2 in. Stainless Steel Hex Head Cap Screw, 100-Pack
SKU: 46836270765

Hillman 5/16-18 x 1-1/2 in. Stainless Steel Hex Head Cap Screw, 100-Pack

Sale price$50.39 Regular price$55.99
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Description

Hillman 5/16-18 x 1-1/2 in. Stainless Steel Hex Head Cap Screw, 100-PackStainless Steel Hex Cap Screw 5 16 18 x 1 1 2, 100 Pack Durable Hillman hex head cap screws made from 18 8 stainless steel for strong, corrosion resistant fastening. Coarse 5 16 18 threads and a partially threaded shank provide high torque capability and a secure hold in marine and outdoor applications. Key Features: 18 8 Stainless Steel: Resists rust and corrosion for long lasting performance, ideal for outdoor and marine use Hex Head & Machine

Stainless Steel Hex Cap Screw 5/16-18 x 1-1/2, 100-Pack

Durable Hillman hex head cap screws made from 18-8 stainless steel for strong, corrosion-resistant fastening. Coarse 5/16-18 threads and a partially threaded shank provide high torque capability and a secure hold in marine and outdoor applications.


Key Features:

  • 18-8 Stainless Steel: Resists rust and corrosion for long-lasting performance, ideal for outdoor and marine use
  • Hex Head & Machine Threads: Designed for higher torque and secure tightening with standard tools
  • Partially Threaded Shank: Enhances grip between materials and reduces shear movement
  • USS Coarse Thread: 5/16-18 size fits compatible nuts or tapped holes
  • Bulk 100-Pack: Convenient quantity for projects and pros; one C-Pak per sellable unit

Specifications Table:

Specification Details
Material Grade 18-8 stainless steel
Head Type Hex head
Thread Type USS coarse
Thread Size 5/16-18
Length 1-1/2 in
Shank Partially threaded
Torque/Design Hex cap head and machine threads for higher torque capability
Installation Pre-drilling recommended to match bolt diameter
Package Quantity 100 pieces per retail package
Sellable Unit One C-Pak per sellable unit

Frequently Asked Questions (FAQ):

Q: Are these fully stainless throughout?
A: Yes, they are made from Grade 18-8 stainless steel for consistent corrosion resistance.


Q: Do I need to pre-drill holes?
A: Pre-drilling is recommended to match the bolt diameter for best installation results.


Q: What nuts and washers should I use?
A: Pair with Grade 18-8 stainless steel nuts and washers for optimal corrosion resistance and fit.


Q: Are the threads coarse or fine?
A: They feature coarse USS threads in 5/16-18.


Q: What is the length and thread coverage?
A: Each screw is 1-1/2 inches long with a partially threaded shank.


Polished Strength for Clean, Modern Hardware Details

These stainless hex cap screws bring a refined industrial note to any project, marrying gleaming 18-8 steel with crisp geometry. The hex head profile adds a sculptural touch while delivering confident torque and grip. Style them with matching stainless brackets and hardware for a cohesive, high-performance look indoors or out. A staple of luxurious, resilient construction, they elevate function into design.


Upgrade your build with corrosion-resistant stainless strength—add this 100-pack of Hillman hex cap screws to your cart today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 46836270765

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Stacey Cohick
Chelsea, US
★★★★★ 5
Perfect
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
They were perfect
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Reviewed in the United States on April 27, 2026
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Susan Brown
Whiting, US
★★★★★ 5
Very Comfortable!
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
Very comfortable. Don’t slip off back of heal. Love the colors.
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Reviewed in the United States on March 25, 2026
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C. V.
Grantham, US
★★★★★ 5
😊
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
These are really nice except I don’t like all the colors of them so I’m getting different ones same company just different colors. I don’t like the thick ones these are perfect.. 🤩
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Reviewed in the United States on February 24, 2026
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KDK in Texas
Dallas, US
★★★★★ 3
Pretty Colors to Encourage Me to Walk!
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
Hum. Extra large does not seem extra large. I have a slender but size 10-10.5 foot. Will keep but was hoping for a looser fit. Bought to match an Under Armour walking outfit.
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Reviewed in the United States on May 16, 2026
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Patti J Fredley
Birmingham, US
★★★★★ 5
Socks
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
So cute
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Reviewed in the United States on March 6, 2026

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