Hillman Grade 8 Hex Head Cap Screws, 3/8" x 1", 100-Pack

Heavy-duty Grade 8 hex head cap screws engineered from heat-treated steel for high-strength fastening. Coarse-thread, partially threaded design with washer face under the head delivers secure clamping in machinery, automotive, and structural applications.

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Key Features:

• Grade 8 Strength: Heat-treated steel provides high tensile strength for demanding loads
• Coarse Thread: Reliable bite and faster assembly in general-purpose applications
• Partially Threaded Shank: Improves shear strength and alignment like a hex bolt
• Washer Face Head: Smooth bearing surface enhances seal and distributes load
• Bulk Pack Value: 100 boxed screws, 3/8 in. diameter x 1 in. length

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Specifications Table:

Specification	Details
Brand	Hillman
Product Type	Hex Head Cap Screw
Diameter	3/8 inch
Length	1 inch
Material	Steel
Grade	Grade 8
Finish	Yellow dichromate; heat-treated
Thread Type	Coarse
Threading	Partially threaded along shank
Head Style	Hex head with washer face
Units per Pack	100 (boxed)
Model Number	220121
UPC (alt)	008236081695
Weight	4.4 lb

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Frequently Asked Questions (FAQ):

Q: What size are these screws?
A: Each screw is 3/8 inch diameter by 1 inch length.

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Q: What material and grade are they?
A: They are heat-treated steel, Grade 8.

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Q: Are the threads coarse or fine?
A: Coarse thread.

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

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Q: What finish do they have?
A: Yellow dichromate heat-treated finish for added wear resistance.

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Industrial Strength with a Golden Sheen

These Grade 8 cap screws bring a refined, utilitarian beauty to any workshop or garage—sleek geometry crowned with a subtle yellow dichromate glow. I love the confident hex head and washer face; it feels precise, intentional, architectural. Decant them into a clear bin on open shelving beside oiled wood and matte black tools for a quietly luxe vignette. Functional and formidable, they’re the discreet heroes of a well-appointed space.

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Equip your projects with Grade 8 strength—add this 100-pack of Hillman hex head cap screws to your cart today.