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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Hillman 5/16-18 x 2 in Stainless Steel Hex Head Cap Screws, 100-PackStainless Steel Hex Head Cap Screws, 5 16 18 x 2 in (100 Pack) Durable 18 8 stainless steel hex head cap screws for high torque fastening in tapped holes or with a nut. Coarse 5 16 18 threads and partially threaded shank deliver strength and corrosion resistance for indoor or outdoor projects. Key Features: Corrosion Resistant Stainless Steel: 18 8 finish holds up outdoors and in damp environments High Torque Hex Head: Compatible with wrenches or
Stainless Steel Hex Head Cap Screws, 5/16-18 x 2 in (100-Pack)
Durable 18-8 stainless steel hex head cap screws for high-torque fastening in tapped holes or with a nut. Coarse 5/16-18 threads and partially threaded shank deliver strength and corrosion resistance for indoor or outdoor projects.
Key Features:
- Corrosion-Resistant Stainless Steel: 18-8 finish holds up outdoors and in damp environments
- High-Torque Hex Head: Compatible with wrenches or drills for secure tightening
- Washer Face Under Head: Helps provide a better seal and load distribution
- Partially Threaded Shank: USS pattern for strength and alignment in bolted joints
- Bulk Value Pack: 100 screws per boxed package for jobsite or shop stock
Specifications Table:
| Specification | Details |
|---|---|
| Brand Name | Hillman |
| Material | 18-8 Stainless Steel |
| Diameter/Thread | 5/16-18 (Coarse) machine thread |
| Length | 2 inch |
| Head Style | Hex cap, washer face under head |
| Thread Type | Coarse |
| Thread Coverage | Partially threaded (USS) along shank |
| Number in Package | 100 pack |
| Packaging Type | Boxed |
| Use | For use with a nut or in a tapped hole; tighten with wrench or drill |
| Package Height | 3.5 in |
| Package Width | 4.3 in |
| Package Length | 4.3 in |
| Package Weight | 7 lbs |
Frequently Asked Questions (FAQ):
Q: What thread size and length are these screws?
A: They are coarse 5/16-18 machine threads with a 2-inch overall length.
Q: Are these fully threaded?
A: No. They are USS-style hex cap screws with a partially threaded shank.
Q: What tools are needed for installation?
A: Tighten with a wrench or a drill equipped with the appropriate hex socket.
Q: Can these be used outdoors?
A: Yes. The 18-8 stainless steel provides enhanced corrosion resistance for outdoor or damp environments.
Q: What’s included in the package?
A: A boxed retail pack of 100 hex head cap screws.
Polished Utility with Timeless Hardware
These stainless hex cap screws bring a crisp, architectural clarity to any build. The clean hex head and luminous finish feel refined while delivering robust performance. Use them to elevate exposed fastener moments on shelving brackets or custom metalwork. A small detail that quietly underscores a space’s craftsmanship and luxury.
Stock up on these corrosion-resistant stainless cap screws to tackle your next project with dependable, high-torque fastening.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 132 reviews
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Product Reviews
★★★★★ 5
A must try for hot sleepers!
Color: Blue, Size: Queen (U.S. Standard), Set name: Silky, Color: Blue, Size: Queen (U.S. Standard), Set name: Silky
If you are a hot sleeper these pillowcases are for you! Not only are they silky and beautiful, but they are cool to the touch!The Arc-Chill fabric absorbs heat and instantly cools your skin! If you are prone to insomnia, night sweats, give these a try! They come in a 2 pack and have a few different colors to try out. Highly recommend.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Freezing !
Color: Gray, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
### Product Review: Avolare 2 Pack Cooling Pillow Cases
#### Overview
The Avolare 2 Pack Cooling Pillow Cases are designed to provide a cooler and more comfortable sleeping experience, especially for hot sleepers. Made with Arc-Chill fabric, these pillowcases promise to offer a cooling effect, protect hair and skin, and add a touch of luxury with their soft and silky texture. The pillowcases come in a standard gray color, suitable for standard and queen-size pillows.
#### Material and Design
**Rating: ★★★★★**
The Avolare Cooling Pillow Cases are crafted from Arc-Chill fabric, known for its high Q-max value (>0.5), indicating excellent cooling properties. The material feels incredibly soft and silky to the touch, providing a luxurious feel that enhances sleep quality. The gray color is neutral and versatile, fitting seamlessly with various bedding styles.
The design includes a hidden zipper, ensuring that the pillowcase stays securely on the pillow while maintaining a smooth and sleek appearance. The zipper is discreet and doesn’t interfere with comfort, which is a thoughtful addition to the overall design.
#### Cooling Effect
**Rating: ★★★★★**
One of the standout features of these pillowcases is their cooling effect. The Arc-Chill fabric effectively wicks away heat and moisture, making them ideal for hot sleepers or those living in warmer climates. Users have reported a noticeable difference in temperature, which contributes to a more restful and comfortable night’s sleep. This cooling property is particularly beneficial during the summer months or for individuals who tend to overheat while sleeping.
#### Hair and Skin Benefits
**Rating: ★★★★☆**
In addition to their cooling properties, the Avolare pillowcases are also beneficial for hair and skin. The smooth and silky texture reduces friction, helping to prevent hair breakage and skin irritation. This can be particularly advantageous for individuals with sensitive skin or those prone to hair damage. While the pillowcases are not a cure-all for skin and hair issues, they do contribute positively by creating a gentler surface.
#### Durability and Care
**Rating: ★★★★☆**
The Avolare Cooling Pillow Cases are easy to care for, maintaining their cooling properties and softness even after multiple washes. They are machine washable, which adds to their convenience. However, it is recommended to follow the care instructions carefully to ensure the longevity of the cooling effect and fabric quality.
#### Versatility
**Rating: ★★★★☆**
These pillowcases are designed to fit both standard and queen-size pillows, adding to their versatility. They are perfect for use in any bedroom setting, from master bedrooms to guest rooms, and can be paired with various pillow types and fillings.
#### Pros and Cons
**Pros:**
- Excellent cooling properties ideal for hot sleepers.
- Soft and silky texture is gentle on hair and skin.
- Hidden zipper design for a secure fit.
- Machine washable and easy to care for.
- Versatile fit for standard and queen-size pillows.
**Cons:**
- Cooling effect may diminish slightly with frequent washing.
- Limited color options (only available in gray).
#### Final Verdict
**Overall Rating: ★★★★☆**
The Avolare 2 Pack Cooling Pillow Cases are an excellent choice for anyone looking to enhance their sleeping experience, particularly hot sleepers. The cooling properties of the Arc-Chill fabric, combined with the soft and silky texture, provide a comfortable and luxurious feel. The hidden zipper design adds practicality without sacrificing aesthetics.
While there are minor drawbacks, such as potential diminishing of the cooling effect with frequent washing and limited color options, the overall benefits make these pillowcases a worthwhile investment. If you’re seeking to improve your sleep quality and enjoy a cooler, more comfortable night’s rest, the Avolare Cooling Pillow Cases are definitely worth considering.
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Reviewed in the United States on June 1, 2024
★★★★★ 4
Cool as the other side of the pillow
Color: Gray, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
Good quality and keeps cool on side of pillow. Have to flip pillow for constant cooling is the ok only down side. Love the material as it is very soft and silky feel to it. Doesn't wrinkle over pillow and had some good color options. Easy to clean. Fair price for a good product
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Love!
Color: Blue, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
Awesome cases! They really are cool to the touch. I didn’t sleep hot at all. I have a “cut-out” memory foam pillow, and this stretched around it perfectly. It is flexible enough that it doesn’t impede with the cut out. And while the material is “silky,” it doesn’t slide around the pillow while sleeping on it. The zipper feature is perfect. I washed and dried per the tag instructions and they washed very well. Super happy.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
AMAZING - LOVE THESE!
Color: Blue, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
I've been using these pillow cases for more than 6 months and LOVE them. They are well made, no wrinkling, fraying or wearing out, even with a weekly washing. I love the zippers on them, my pillows fits perfectly in the case and don't constantly escape from the case overnight. They definitely perform as described: they keep me cool at night and don't smell and actually don't make a mess of my hair. I bought an extra one and put it on a pillow I keep close to my body which helps me from overheating during the night. They are a great value for the price, I wish I could get top sheets in the same style as these and I'd be in heaven!
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Reviewed in the United States on March 23, 2026
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