Hillman 3/4 in. Diameter x 6 in. Length Heat-Treated Steel Hex Head Cap Screw, 20-Pack

Regular price $112.99

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Hillman Grade 5 Hex Head Cap Screws, 3/4" x 6", 20-Pack

Heavy-duty Hillman hex head cap screws deliver reliable fastening for structural and machinery applications. Made from heat-treated steel with a zinc finish, these Grade 5 bolts are partially threaded for strong clamping and easy installation with a wrench or drill.


Key Features:

  • Durable Construction: Heat-treated steel with zinc finish resists wear and corrosion
  • Strong Performance: Grade 5 rating supports high-strength fastening needs
  • Washer Face Head: Integrated bearing surface under the head for a better seal
  • Partial Thread Design: Provides strong grip with coarse threads where you need them
  • Convenient Bulk Pack: 20-pack for project and jobsite efficiency

Specifications Table:

Specification Details
Diameter 3/4 inch
Length 6 inch
Material Steel
Finish Heat Treated Zinc
Grade Grade 5
Thread Type Coarse
Head Type Hex head with washer face
Number in Package 20
Packaging Type Boxed
Tightening Method Wrench or drill
Partially Threaded Yes
Unit of Measurement Imperial
Package Height 4 in
Package Width 9 in
Package Length 4.5 in
Package Weight 17 lbs

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No, they are partially threaded along the shank with coarse threads.


Q: What tools are needed for installation?
A: Tighten using a wrench or a drill with the appropriate hex bolt socket.


Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance; for harsh environments, consider additional protective measures.


Q: What grade are these bolts?
A: Grade 5, suitable for many structural and machinery applications.


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


Industrial polish with dependable strength

These hex cap screws bring a refined, utilitarian elegance to hardware selections, marrying clean geometry with a luminous zinc finish. The partially threaded shank and washer-faced head feel purposeful—streamlined yet robust. Pair them with crisp galvanized brackets for a cohesive, modern workshop aesthetic. Their disciplined form and performance make them an essential foundation for well-crafted, luxurious utility.


Upgrade your build with these Grade 5 Hillman hex cap screws—order the 20-pack today for dependable strength on every project.

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