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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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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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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Dawn Christine Davault
Charlottesville, US
★★★★★ 1
Not strong. Didn't last
Color: Large size (7.9")
Was ripped apart very quickly. Not strong. Would not buy again
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Reviewed in the United States on May 10, 2026
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GRohloff
Lake Worth, US
★★★★★ 4
Keeps her busy!
Color: Medium size (5.9")
Our Molly loves this. Only thing is that it is a little too big for our Maltipoo, but she still tries to keep up with it.
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Reviewed in the United States on April 29, 2026
A
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Amazon Customer
Massapequa, US
★★★★★ 5
Tough
Color: Medium size (5.9")
So far my dog hasn’t destroyed it! And it’s been a month. So I call that a win. Plus he loves it.
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Reviewed in the United States on May 26, 2026
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Dave
Phoenix, US
★★★★★ 5
One Tough Ball!
Color: Blue
Our dogs are loving this ball. Our 1 yr old hound is a world-class chewer and he can't make a dent in this ball. The interactive buzzing and bouncing keeps them entertained for long durations. It's a mite noisy but the barking from the 1 yr old is much louder, lol. Even turned off, they like playing with it and chewing on it. Based on the tough construction, we think it will last much longer than traditional chew balls.
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Reviewed in the United States on March 22, 2026
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Janice A
Omaha, US
★★★★★ 5
My puppy’s favorite
Color: Orange
Great quality and built to last. My dog really enjoys playing with it and stays entertained for quite a while. The material is strong yet safe, and the included drawstring bag is a convenient extra for easy storage. Is colorful and my become my puppy’s favorite.
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Reviewed in the United States on March 1, 2026

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