SKU: 91208721423

Hillman 9/16 in. Diameter x 4 in. Length Heat-Treated Steel Hex Head Cap Screw, Grade 8, 25-Pack

Sale price$80.99 Regular price$89.99
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Description

Hillman 9/16 in. Diameter x 4 in. Length Heat-Treated Steel Hex Head Cap Screw, Grade 8, 25-PackHillman Grade 8 Hex Head Cap Screws, 9 16 in. x 4 in. (25 Pack) Heavy duty Hillman hex head cap screws deliver reliable fastening for structural and machinery applications. Made from heat treated Grade 8 steel with a washer face under the head, they provide high torque capability and long lasting wear resistance. Key Features: Grade 8 Strength: Heat treated steel offers superior tensile strength for demanding loads High Torque Capability: Hex cap head

Hillman Grade 8 Hex Head Cap Screws, 9/16 in. x 4 in. (25-Pack)

Heavy-duty Hillman hex head cap screws deliver reliable fastening for structural and machinery applications. Made from heat-treated Grade 8 steel with a washer face under the head, they provide high torque capability and long-lasting wear resistance.


Key Features:

  • Grade 8 Strength: Heat-treated steel offers superior tensile strength for demanding loads
  • High Torque Capability: Hex cap head with machine threads ensures secure tightening with wrench or driver
  • Better Seal: Integrated washer face under head improves contact and load distribution
  • Durable Finish: Yellow dichromate treatment resists wear and corrosion
  • Bulk Convenience: 25 pieces per box for shop or jobsite efficiency

Specifications Table:

Specification Details
Diameter 9/16 inch
Length 4 inch
Material Steel
Grade 8 (USS)
Finish Heat-treated yellow dichromate
Head Type Hex cap with washer face
Thread Type Coarse, partially threaded shank
Pieces per Package 25
Packaging Type Boxed
Brand Hillman

Frequently Asked Questions (FAQ):

Q: What size are these bolts?
A: Each bolt is 9/16 in. diameter and 4 in. length, partially threaded.


Q: What thread type do they use?
A: They have coarse machine threads (USS).


Q: Are these suitable for high-stress applications?
A: Yes. They are Grade 8, heat-treated steel designed for high-strength fastening.


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


Q: How many are in the package?
A: 25 screws per retail package.


Industrial Strength, Polished Precision

These Grade 8 cap screws bring an elegant order to the unseen structure of your projects, fusing rigor with refinement. The hex head silhouette and washer-faced design feel intentional—clean, engineered, and confident. Style them with blackened steel brackets or oiled oak to underscore a modern, utilitarian narrative. Consider them the quiet luxury of hardware: purposeful, enduring, and impeccably made.


Choose Hillman Grade 8 cap screws for dependable, high-torque fastening that elevates every build.

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: 91208721423

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