Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Hillman 3/8-16 in. Diameter x 3-1/2 in. Length Steel Hex Head Cap Screw, 25-PackHillman 3 8 16 x 3 1 2 in. Hex Head Cap Screws (25 Pack) Heavy duty hex head cap screws designed for high torque fastening in wood, metal, and machinery. Coarse 3 8 16 threads and a washer faced hex head deliver secure clamping, while durable steel construction ensures reliable performance on the jobsite or in the shop. Key Features: Durable Steel Construction: Built to handle demanding fastening applications and repeated tightening High Torque Hex
Hillman 3/8-16 x 3-1/2 in. Hex Head Cap Screws (25-Pack)
Heavy-duty hex head cap screws designed for high-torque fastening in wood, metal, and machinery. Coarse 3/8-16 threads and a washer-faced hex head deliver secure clamping, while durable steel construction ensures reliable performance on the jobsite or in the shop.
Key Features:
- Durable Steel Construction: Built to handle demanding fastening applications and repeated tightening
- High-Torque Hex Head: Hex cap head with washer face provides strong grip and a better seal
- Coarse Thread Profile: 3/8-16 machine threads for secure hold and easy assembly
- Partially Threaded Shank: USS pattern offers alignment strength plus clamping force
- Value Pack: 25 screws per box for project and inventory needs
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 3/8 inch |
| Thread Size | 3/8-16 (coarse) |
| Length | 3-1/2 inch |
| Head Style | Hex cap with washer face |
| Material | Steel |
| Thread Type | Coarse |
| Shank | Partially threaded (USS) |
| Pieces per Package | 25 |
| Packaging Type | Boxed |
| Unit of Measurement | Imperial |
| Brand | Hillman |
Frequently Asked Questions (FAQ):
Q: What tools are needed to install these?
A: Tighten with a wrench or a drill/driver fitted with the correct hex socket.
Q: Are these fully threaded?
A: No. They are partially threaded along the shank (USS pattern).
Q: What is the thread type?
A: Coarse 3/8-16 machine threads.
Q: Can these be used outdoors?
A: They are steel; corrosion resistance depends on environment. If exposure is high-moisture or corrosive, consider stainless or coated fasteners.
Q: How many pieces are in the package?
A: 25 pieces per retail package.
Industrial Poise with Purpose
A hex cap screw brings an honest, architectural clarity to a space—clean lines, solid presence, and effortless utility. The washer-faced head is a quiet detail that feels refined, anchoring hardware with confidence. Style it visibly on raw timber brackets or blackened steel accents for a deliberate, crafted look. It’s the kind of hardworking hardware that elevates everyday function into modern luxury.
Outfit your next build with reliable clamping power—add this 25-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