9th Jul 2026, 07:52 AM
IMSCREWS 5 /16-18 x 3 Carriage Bolts, 304 Stainless Steel (18-8), Full Thread Structural Fasteners for 4x4 Posts, Decks & Timber Construction, 20 PCS
Price may vary by location, shipping cost, and availability.
35% Off
$16.99
$25.99
Highest: $20.69
Average: $15.31
Lowest: $11.39
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of IMSCREWS 5 /16-18 x 3 Carriage Bolts, 304 Stainless Steel (18-8), Full Thread Structural Fasteners for 4x4 Posts, Decks & Timber Construction, 20 PCS here. This product's current Price in USA is $16.99. The average and highest prices are $15.31 and $20.69 respectively.
| Lowest Ever Price | $11.39 |
|---|---|
| 11th May 2026 | |
| Average Price | $15.31 |
| Based on 140 days price tracking | |
| Highest Price | $20.69 |
| 3rd Mar 2026 | |
Price History of All Variants of IMSCREWS 5 16-18 x 3 Carriage Bolts...
Current Price in USA
| Price | $16.99 |
|---|---|
| MRP | $25.99 |
| Savings | $9.00 |
| Discount | 34.62% |
Recent Price Drops on IMSCREWS 5 /16-18 x 3 Carriage Bolts, 304 Stainless Steel (18-8), Full Thread Structural Fasteners for 4x4 Posts, Decks & Timber Construction, 20 PCS
Price Drop 10th May 2026
$12.59 → $11.39
9.53% drop
Price Drop 6th May 2026
$15.29 → $12.59
17.66% drop
Price Drop 15th Apr 2026
$16.89 → $15.29
9.47% drop
Price Drop 11th Apr 2026
$18.62 → $16.89
9.29% drop
Price Drop 2nd Apr 2026
$20.69 → $18.62
10% drop
Product Information
Details
| Product Name | IMSCREWS 5 /16-18 x 3 Carriage Bolts, 304 Stainless Steel (18-8), Full Thread Structural Fasteners for 4x4 Posts, Decks & Timber Construction, 20 PCS |
|---|---|
| Store Product Code | B0F2F8G9Q9 |
| Store Name | amazon.com |
| Rating | 8.8 / 10 |
| Category | Carriage Bolts |
| Product Manufacturer | IMSCREWS |
| Model Number | MN-S0809 |
| Color | Silver |
| Size | 5/16"-18 x 3" |
| Dimensions | 0.01 x 0.01 x 0.01 inches |
Features
- Industrial 3 Penetration: Expertly designed for through-bolting thick timbers, such as joining two 2x4s (3 total) or securing heavy-duty brackets to structural 4x4 posts.
- Reinforced 5/16 Strength: The 5/16 shank offers a significant boost in load-bearing and shear resistance over standard 1/4 bolts, ensuring safety in structural applications.
- Marine-Grade 304 Stainless: Forged from 18-8 (304) stainless steel, providing superior rust protection in coastal environments, humid gardens, and with treated lumber.
- Tamper-Resistant Safety Head: The smooth round head offers a clean finish without sharp edgesideal for public benches, playgrounds, and child-safe backyard structures.
- Self-Locking Square Neck: The precision square shoulder bites firmly into wood fibers, locking the bolt so you can easily tighten the nut with one wrench from the opposite side.
Images
× ![]()
Rating and Reviews
8.8 Based on 30 reviews
IMSCREWS 5 16-18 x 3 Carriage Bolts has 8.8 rating out of 10. This average rating is consist of 30 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.