74-Pack 5/16 Hex Head Lag Screws Bolts Assortment Kit with Flat Washers, Black Oxided 304 Stainless Steel 18-8 Heavy Duty 5/16" Lag Bolts for Wood with Hex Socket
- Sturdy Construction – Nailnest hex head lag bolts are manufactured from 18-8 (304) stainless steel, providing improved corrosion and rust resistance over carbon steel screws. These lag screws are designed for extended use, with greater resistance to damage and enhanced structural strength. 5/16 stainless steel bolts are suitable for outdoor wood fastening applications where durability and reliability are required.
- Precise Specifications – These lag bolts have a diameter of 5/16", length of 7 common size, and a 1/2" hex head for standard wrench use. The consistent manufacturing process ensures uniform threading and head dimensions, supporting reliable installation and secure fastening in wood applications. Designed to maintain structural integrity under load without bending or loosening.
- Hardware Solution – These 5/16" lag bolts include a stainless steel washer and are made from 18-8 (304) stainless steel with a hex head design. Suitable for use in residential and commercial construction, including deck assembly, timber framing, and wood-to-wood connections. Designed for consistent performance in structural fastening applications.
- Packaged Set – This set includes 37pcs hex head lag screws, 37pcs stainless steel washers and 1pcs hex socket, supplied together for convenient use. The components are designed to align properly during installation, allowing for efficient driving into wood or other materials. Lag bolts are suitable for general fastening tasks in residential, workshop, or light commercial settings.
- Fastening Expertise – Nailnest specializes in the fastening industry, offering professional-grade solutions backed by years of experience.
Estimated shipping
Select a product to estimate shipping.Need a reliable and durable way to secure wood projects? The nailnest 74-Pack 5/16" Hex Head Lag Screw Kit offers a robust solution for a variety of fastening needs. Crafted from high-quality stainless steel, these lag screws are built to withstand the elements and provide long-lasting strength.
Key Highlights
- Corrosion Resistant: Made from 18-8 (304) stainless steel for superior resistance to rust and corrosion.
- Secure Fastening: The 1/2" hex head allows for easy tightening with standard wrenches.
- Complete Kit: Includes 74 screws with flat washers for a comprehensive hardware solution.
- Durable Construction: Designed for extended use and enhanced structural strength.
- Consistent Quality: Manufactured with precise specifications for reliable performance.
Useful Facts
- Size: 5/16"
- Material: 18-8 (304) Stainless Steel
- Finish: Black Oxide
- Head Style: Hex
- Quantity: 74 Pieces
Good Fit For
- Woodworking projects
- Outdoor repairs and installations
- DIY home improvement tasks
- General construction and fastening
- Securely attaching heavy objects to wood surfaces.
Product details





Specifications
| Main Specification | |
|---|---|
| Manufacturer | nailnest |
| Unit Count | 74 Count |
| Item dimensions L x W x H | 3.5 x 3.5 x 0.65 inches |
| Outside Diameter | 0.31 inches |
| Brand | nailnest |
| Fastener Type | Lag Screws |
| Item Diameter | 0.31 Inches |
| Number of Pieces | 74 |
| Thread Size | 5/16" |
| Material | Stainless Steel |
| Colour | Black |
| Size | 5/16" |
| Product information | |
|---|---|
| Set Name | 5/16" Stainless Steel Hex Head Lag Bolts with Washers Assortment Kit (74 Piece) |
| Technical Details | |
|---|---|
| Part Number | NN-TZ00137 |
| Material Type | Stainless Steel |
| Number Of Items | 74 |
| Style | |
|---|---|
| Finish Types | Black Oxide |
| Measurements | |
|---|---|
| Item Dimensions | 3.5 x 3.5 x 0.65 inches |
| Others | |
|---|---|
| Product Type | Lag Screws |
| Item Shape | Hexagonal |
| Size Name | 5/16" |
| Screw Head Style | Hex |
| Tags | |
|---|---|
| Tags | |











