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

Hillman 3/4 in. Diameter x 2-1/2 in. Length Heat-Treated Steel Hex Head Cap Screw, 20-Pack main image 0

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

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Hillman 3/4 in. Diameter x 2-1/2 in. Length Heat-Treated Steel Hex Head Cap Screw, 20-PackHillman Grade 8 Hex Head Cap Screws, 3 4 in. x 2 1 2 in., 20 Pack Heavy duty hex head cap screws designed for high strength assemblies. Made from heat treated steel with a protective yellow dichromate finish, these Grade 8 fasteners deliver reliable clamping force in automotive, machinery, and structural applications. Key Features: High Strength Grade 8: Heat treated steel provides superior tensile strength for demanding applications Washer Face

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

Name: Hillman 3/4 in. Diameter x 2-1/2 in. Length Heat-Treated Steel Hex Head Cap Screw, 20-Pack
Brand: neumaticosmexico.com
SKU: 31105824058
Price: 81.99 USD
Availability: InStock
Rating: 4.1188 (1843 reviews)

Heavy-duty hex head cap screws designed for high-strength assemblies. Made from heat-treated steel with a protective yellow dichromate finish, these Grade 8 fasteners deliver reliable clamping force in automotive, machinery, and structural applications.

Key Features:

High Strength Grade 8: Heat-treated steel provides superior tensile strength for demanding applications
Washer Face Design: Built-in washer face under the head improves load distribution and sealing
Corrosion-Resistant Finish: Yellow dichromate coating enhances wear and rust resistance
Coarse Thread, Partial Thread: USS coarse threads with a partially threaded shank for strong grip and alignment
Convenient Value Pack: 20 screws per box; 3/4 in. diameter x 2-1/2 in. length

Specifications Table:

Specification	Details
Brand	Hillman
Diameter	3/4 inch
Length	2-1/2 inch
Material	Steel
Finish	Yellow dichromate; heat-treated
Grade	Grade 8 (USS)
Thread Type	Coarse
Thread Coverage	Partially threaded along shank
Head Type	Hex head with washer face
Number in Package	20 pack
Packaging Type	Boxed
Intended Use	For use with a nut or in a tapped hole; tighten with wrench or drill

Frequently Asked Questions (FAQ):

Q: What tools are needed for installation?
A: Tighten with a wrench or compatible socket/driver sized for a 3/4 in. hex head bolt.

Q: Are these fully threaded?
A: No, they are partially threaded along the shank (USS coarse thread).

Q: What is the material and grade?
A: Heat-treated steel, Grade 8 for high strength applications.

Q: Do these have a built-in washer?
A: They feature a washer face under the head to improve load distribution; a separate washer can still be used if required.

Q: What finish do they have?
A: Yellow dichromate finish that adds wear and corrosion resistance.

Industrial Strength, Elevated

These hex cap screws bring a confident, architectural rigor to any build—precision, polish, and power in one gesture. The yellow dichromate finish lends a subtle golden warmth that pairs beautifully with dark metals and natural woods. Style them with exposed hardware moments on custom shelving or reclaimed worktables for a refined industrial statement. It’s the small, impeccable details that make luxury feel effortless.

Build with confidence—upgrade to these Grade 8 Hillman hex cap screws for dependable strength and clean, professional results.