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

Regular price $29.99

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Hillman Grade 8 1/4 in. x 1 in. Hex Head Cap Screws (100-Pack)

Heavy-duty Grade 8 hex head cap screws built from heat-treated steel for high-strength fastening. Coarse-threaded and partially threaded shanks provide secure clamping in machinery, automotive, and structural applications.


Key Features:

  • Grade 8 Strength: Heat-treated steel delivers high tensile strength for demanding applications
  • Coarse Thread: Reliable engagement and easier starts in tapped holes or with nuts
  • Partially Threaded Shank: Provides superior shear strength and precise clamping
  • Washer Face Head: Built-in bearing surface under head helps improve seal and load distribution
  • Bulk Value: 100-count boxed pack for shop, jobsite, or inventory needs

Specifications Table:

Specification Details
Diameter 1/4 inch
Length 1 inch
Material Heat-treated steel
Grade Grade 8
Thread Type Coarse
Thread Coverage Partially threaded shank
Head Style Hex head with washer face
Finish/Color Heat-treated yellow dichromate finish
Number in Package 100 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What size are these screws?
A: Each screw is 1/4 inch diameter by 1 inch length, coarse thread.


Q: Are these fully threaded?
A: No. They are partially threaded along the shank for added shear strength.


Q: What material and grade are they?
A: Heat-treated steel, Grade 8 for high strength.


Q: Do they include nuts or washers?
A: No. This pack includes only hex head cap screws.


Q: How are they installed?
A: Tighten with a wrench or socket; use with a matching 1/4 in. coarse-thread nut or tapped hole.


Industrial Strength, Clean Hardware Detail

There’s a quiet elegance in well-made hardware—these Grade 8 hex cap screws bring a crisp, engineered polish to any build. The washer-faced head adds a refined silhouette, while the heat-treated steel reads as confidently robust. Style them with darkened steel brackets or raw oak for a modern, utilitarian edge. Essential hardware that elevates the craft of construction with enduring strength.


Equip your project with high-strength reliability—add this 100-pack of Grade 8 hex cap screws to your cart today.

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