SKU: 62218344393

Hillman 3/8 in. Diameter x 1-1/4 in. Length Heat-Treated Steel Hex Head Cap Screw, Grade 8, Coarse Thread, 100-Pack

Sale price$30.07 Regular price$33.41
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Hillman 3/8 in. Diameter x 1-1/4 in. Length Heat-Treated Steel Hex Head Cap Screw, Grade 8, Coarse Thread, 100-PackHillman Grade 8 Hex Head Cap Screws, 3 8" x 1 1 4", 100 Pack Heavy duty hex head cap screws made from heat treated steel for high strength fastening. Grade 8, coarse thread bolts ideal for automotive, machinery, and structural applications requiring reliable clamping force. Key Features: High Strength Grade 8: Heat treated steel delivers superior tensile strength for demanding assemblies Coarse Thread Design: Provides better grip in softer materials

Hillman Grade 8 Hex Head Cap Screws, 3/8" x 1-1/4", 100-Pack

Heavy-duty hex head cap screws made from heat-treated steel for high-strength fastening. Grade 8, coarse-thread bolts ideal for automotive, machinery, and structural applications requiring reliable clamping force.


Key Features:

  • High Strength Grade 8: Heat-treated steel delivers superior tensile strength for demanding assemblies
  • Coarse Thread Design: Provides better grip in softer materials and faster installation
  • Hex Head with Washer Face: Ensures strong wrenching surface and even load distribution
  • Versatile Use: Suitable for use with a nut or in a tapped hole across automotive and machinery projects
  • Bulk Value Pack: 100-piece box minimizes downtime and ensures project continuity

Specifications Table:

Specification Details
Brand Hillman
Product Type Hex Head Cap Screw
Diameter 3/8 in
Length 1-1/4 in
Material Steel
Finish/Style Heat Treated
Grade 8
Thread Type Coarse
Head Style Hex head with washer face
Threading Partially threaded
Number in Package 100
Packaging Type Boxed
UPC (alt) 008236081701

Frequently Asked Questions (FAQ):

Q: What size are these screws?
A: They are 3/8 inch diameter by 1-1/4 inch length.


Q: What thread type do they have?
A: Coarse thread (UNC).


Q: What grade are these bolts?
A: Grade 8, heat-treated steel for high strength.


Q: Are they fully threaded?
A: They are partially threaded hex cap screws.


Q: How are they packaged?
A: Boxed pack of 100 pieces.


Industrial Strength, Streamlined Precision

There’s a quiet elegance in hardware that performs with confidence. These hex head cap screws bring a refined, utilitarian edge—clean geometry, crisp facets, and a purposeful silhouette. Style them as the invisible heroes in custom shelving or exposed mechanical details to underscore a modern, industrial narrative. Their strength and finish make them an understated essential for elevated, hardworking spaces.


Choose these Hillman Grade 8 hex cap screws for reliable, high-strength fastening that keeps your projects secure and on schedule.

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: 62218344393

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Verified Purchase
kathp
Birmingham, US
★★★★★ 5
Replacement parts
Style: with Pre-Filter
Was so happy to find the replacement parts for my eufy robovac. Really makes a big difference in vac performance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
E
Verified Purchase
ElyGar
Massapequa, US
★★★★★ 5
GOOD
Style: 28Pack Eufy Omni C20 Accessories
The kit includes several useful pieces and helped me replace accessories I already had worn out. I liked that everything came organized and it was easy to find each part. Some pieces feel sturdier than others, but overall it does the job well and it is convenient having everything together in one package.
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Reviewed in the United States on May 28, 2026
G
Verified Purchase
German Vargas
Louisville, US
★★★★★ 5
Buena calidad precio
Style: 28Pack Eufy Omni C20 Accessories
Precio beneficio me parece un paquete bastante completo para hacer los mantenimientos. En cuanto a tamaño calidad y funcionamiento no hay queja (salvo por del atornillador que es como de mentira y se desarmo al tratar de aflojar el tornillo y no es de la medida correcta).
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Reviewed in the United States on November 8, 2025
G
Garrett Moore
Carnegie, US
★★★★★ 5
Excellent Long Term Value & Perfect Compatibility with Eufy Omni C20 Robot Vacuum
Style: 28Pack Eufy Omni C20 Accessories
This set is of great quality and value for the money. It fits perfectly with the vacuum and base station and includes extra tools like a small screwdriver if you need to make any repairs. I love how it functions and provides the user with an easy experience with all the maintenance tools in one kit, lasting for many months or even a year or two with the primary vacuum. I absolutely recommend this product. Everything you need!
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Reviewed in the United States on November 29, 2025
J
Jim
Cuba, US
★★★★★ 4
Great value pack
Style: 28Pack Eufy Omni C20 Accessories
I've used each type of item in my vacuum and they all work just as well as the originals. The fit is precise and they last just as long as the original items. It's a great value pack and I love that I have so many extras in the house. I did ding one star because the included screwdriver is the wrong size to install the side brush. If you aren't paying attention during installation you could easily strip the screw. The other items are very easy to install.
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Reviewed in the United States on February 1, 2026

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