
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
For Your Every Summer RSVP, with Code: SUMMER15
Description
Hillman 3/8 in. Diameter x 1 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 100-PackHillman 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. Key Features: Grade 8 Strength: Heat treated steel provides high tensile strength for demanding loads Coarse Thread: Reliable bite and faster
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.
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
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 |
Frequently Asked Questions (FAQ):
Q: What size are these screws?
A: Each screw is 3/8 inch diameter by 1 inch length.
Q: What material and grade are they?
A: They are heat-treated steel, Grade 8.
Q: Are the threads coarse or fine?
A: Coarse thread.
Q: Are they fully threaded?
A: No, they are partially threaded along the shank.
Q: What finish do they have?
A: Yellow dichromate heat-treated finish for added wear resistance.
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.
Equip your projects with Grade 8 strength—add this 100-pack of Hillman hex head cap screws to your cart today.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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