Hillman 3/4 in. Diameter x 4-1/2 in. Length Heat-Treated Steel Hex Head Cap Screw, 20-Pack

Hillman 3/4 in. Diameter x 4-1/2 in. Length Heat-Treated Steel Hex Head Cap Screw, 20-Pack

Regular price $122.99

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Hillman Grade 8 Hex Head Cap Screws, 3/4" x 4-1/2", 20-Pack

Heavy-duty hex head cap screws made from heat-treated steel for maximum strength and wear resistance. Grade 8, partially threaded with a washer face under the head for a secure seal—ideal for demanding fastening applications.


Key Features:

  • Grade 8 Strength: Heat-treated steel delivers high tensile performance for heavy-duty projects
  • Reliable Seal: Washer face under the hex head improves load distribution and sealing
  • Partially Threaded Shank: Added shear strength where you need it
  • Coarse Thread: Fast, secure engagement in tapped holes or with nuts
  • 20-Pack Convenience: Boxed set for efficient stocking and jobsite use

Specifications Table:

Specification Details
Diameter 3/4 inch
Length 4-1/2 inch
Material Steel
Finish Heat Treated; Yellow dichromate
Grade Grade 8
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded shank
Number in Package 20 pack
Packaging Type Boxed
Unit of Measurement Metric (per source); inch dimensions provided
Category Hex Bolts

Frequently Asked Questions (FAQ):

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


Q: What tools are needed for installation?
A: Tighten with a wrench or a compatible drill/driver and appropriate socket.


Q: What is the thread type?
A: Coarse thread for strong, quick engagement.


Q: Do these have any special finish?
A: They are heat-treated with a yellow dichromate finish for strength and wear resistance.


Q: What size are these bolts?
A: 3/4 inch diameter and 4-1/2 inch length.


Industrial Poise with Uncompromising Strength

These hex head cap screws bring a refined, industrial clarity to functional detailing. The crisp washer-faced head and robust, heat-treated steel feel tailored and purposeful. Style them in exposed mechanical joinery on custom shelving or hardware moments where honesty of materials shines. Consider them the quiet backbone of luxe, utilitarian design.


Choose Hillman Grade 8 hex cap screws for reliable, high-strength fastening that stands up to your toughest projects.

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