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Hillman

Hillman 3/8 in. Diameter x 1-1/2 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 100-Pack

Hillman 3/8 in. Diameter x 1-1/2 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 100-Pack

Regular price $61.99 USD
Regular price Sale price $61.99 USD
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Hillman Grade 8 Hex Head Cap Screws, 3/8 in. x 1-1/2 in., 100-Pack

Heavy-duty Grade 8 hex head cap screws designed for high-stress assemblies. Made from heat-treated steel with a yellow dichromate finish, they provide superior strength and wear resistance for machinery, automotive, and structural projects.


Key Features:

  • Grade 8 Strength: Heat-treated steel for high tensile performance in demanding applications
  • Durable Finish: Yellow dichromate coating enhances corrosion and wear resistance
  • Secure Seating: Washer face under head provides better load distribution and seal
  • Coarse Thread: Partially threaded shank for strong holding power and faster installation
  • Bulk Pack: 100 screws per box for efficient jobsite stocking

Specifications Table:

Specification Details
Brand Hillman
Diameter 3/8 inch
Length 1-1/2 inch
Material Steel
Grade Grade 8
Finish Yellow dichromate; heat-treated
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded 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
Category Hex Bolts
Package Dimensions (L x W x H) 4.3 in x 4.3 in x 3.5 in
Package Weight 5.8 lbs

Frequently Asked Questions (FAQ):

Q: What size are these screws?
A: They are 3/8 in. diameter by 1-1/2 in. length with a coarse thread.


Q: Are they fully threaded?
A: No. They are Grade 8 cap screws that are partially threaded along the shank.


Q: What tools do I need to install them?
A: Tighten with a wrench or compatible socket; can also be driven with a drill and socket adapter.


Q: Will these resist corrosion?
A: The yellow dichromate finish provides enhanced wear and corrosion resistance compared to plain steel.


Q: How many come in a package?
A: 100 screws are included per boxed package.


Industrial Strength with a Polished Edge

These Grade 8 cap screws bring a refined, engineered clarity to any build—sleek, strong, and purposefully detailed. The faceted hex head and yellow dichromate sheen add a subtle, architectural accent while delivering uncompromising performance. Style them with matte black brackets or raw steel for a modern workshop aesthetic. It’s the quiet hardware that underpins luxurious, lasting design.


Equip your next build with Grade 8 confidence—add this 100-pack of Hillman hex head cap screws to your cart today.

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