"Reliable 304 Stainless Steel Fastening Solution
Build with confidence using IMSCREWS 1/4-20 x 4 inch carriage bolts. Crafted from high-quality 304 (18-8) stainless steel, these fasteners are engineered for those who demand both aesthetic appeal and long-lasting durability. The 304 grade ensures your outdoor furniture, fences, and garden structures remain free from rust and unsightly stains even in humid environments.

Versatile Full Thread Engineering
While many 4-inch bolts come with a partial shank, our model features a full thread design. This unique attribute provides maximum clamping range, making it the Designed for choice for projects involving composite decking, layered timber, or thin metal-to-wood attachments where every millimeter of thread counts.

Product Specifications:
- Size: 1/4-20 x 4 (Full Thread)
- Material: 304 (18-8) Stainless Steel
- Head Style: Smooth Round Mushroom Head
- Quantity: 5 Pieces (Nuts and Washers NOT included)

Installation Pro-Tips:
1. Always pre-drill a 1/4 hole to ensure the square neck seats properly without splitting the wood.
2. Use a manual wrench for final tightening. Stainless steel can be sensitive to heat; slow, steady installation prevents thread galling.
3. These bolts provide a clean, snag-free finish, making them ideal for high-traffic areas like benches and play sets.

Frequently Asked Questions :
Q: Are these bolts rust-proof for exterior use?
A: Yes, the 304 stainless steel construction is highly resistant to rust in freshwater and outdoor environments.

Q: Do they come with nuts?
A: No, this package contains 5 bolts only. You will need matching 1/4-20 hex nuts to complete your project."

Key Features

• MARINE GRADE 304 STAINLESS STEEL Made from premium 18-8 (304) stainless steel, these carriage bolts provide exceptional resistance to rust and oxidation. Ideal for long-term outdoor use, they prevent rust streaks on your beautiful wood projects.
• ADJUSTABLE FULL THREAD DESIGN The 4-inch length features a full thread design, offering maximum flexibility for securing materials of various thicknesses. Well-suited for through-bolting applications where standard partial threads might bottom out.
• SELF-LOCKING SQUARE NECK The precision-engineered square neck underneath the smooth round head bites into wood to prevent the bolt from spinning during installation. This allows for easy, one-sided tightening with a single wrench.
• IDEAL FOR LIGHT TO MEDIUM PROJECTS These 1/4 diameter bolts are specifically designed for home DIY, garden furniture repair, wooden fence assembly, and playground equipment maintenance where a clean, snag-free finish is required.
• NOTE ON PACKAGING & ACCESSORIES Includes 5 pieces of 1/4-20 x 4 carriage bolts. Nuts and washers are NOT included. We recommend pre-drilling a 1/4 hole and using matching 1/4 stainless nuts for the best installation results.

Specifications

• ASIN: B0F2F46PY5
• Internal SKU: IMS0762
• Size: 1/4"-20 x 4"
• Material: Stainless Steel
• Finish: Stainless Steel
• Head Style: Round
• Package Quantity: 5