15th Jun 2026, 12:24 AM
IMSCREWS 5 /16-18 x 4-1 /2 Carriage Bolts, 304 Stainless Steel 18-8, Round Head & Square Neck, Full Thread, Pack of 2
Price may vary by location, shipping cost, and availability.
Lowest in last 3 months
59% Off
$8.29
$19.99
Highest: $14.84
Average: $11.70
Lowest: $8.29
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of IMSCREWS 5 /16-18 x 4-1 /2 Carriage Bolts, 304 Stainless Steel 18-8, Round Head & Square Neck, Full Thread, Pack of 2 here. This product's current Price in USA is $8.29. The average and highest prices are $11.70 and $14.84 respectively.
| Lowest Ever Price | $8.29 |
|---|---|
| 17th May 2026 | |
| Average Price | $11.70 |
| Based on 140 days price tracking | |
| Highest Price | $14.84 |
| 3rd Mar 2026 | |
Price History of All Variants of IMSCREWS 5 16-18 x 4-1 2 Carriage...
Current Price in USA
| Price | $8.29 |
|---|---|
| MRP | $19.99 |
| Savings | $11.70 |
| Discount | 58.52% |
Recent Price Drops on IMSCREWS 5 /16-18 x 4-1 /2 Carriage Bolts, 304 Stainless Steel 18-8, Round Head & Square Neck, Full Thread, Pack of 2
Price Drop 16th May 2026
$9.09 → $8.29
8.8% drop
Price Drop 30th Apr 2026
$10.99 → $9.09
17.29% drop
Price Drop 13th Apr 2026
$13.36 → $10.99
17.74% drop
Price Drop 4th Apr 2026
$14.84 → $13.36
9.97% drop
Product Information
Details
| Product Name | IMSCREWS 5 /16-18 x 4-1 /2 Carriage Bolts, 304 Stainless Steel 18-8, Round Head & Square Neck, Full Thread, Pack of 2 |
|---|---|
| Store Product Code | B0F2FDHYZX |
| Store Name | amazon.com |
| Rating | 8.8 / 10 |
| Category | Carriage Bolts |
| Product Manufacturer | IMSCREWS |
| Model Number | MN-S0821 |
| Color | Silver |
| Size | 5/16"-18 x 4-1/2" |
| Dimensions | 0.01 x 0.01 x 0.01 inches |
Features
- Self-Locking Square Neck: Features a precision-engineered square neck beneath the head that bites into wood, preventing the bolt from spinning while the nut is tightened for easy, one-sided installation.
- Full Thread Maximum Grip: The fully threaded 4.5-inch shank provides maximum grip and enhanced fastening power along its entire length, making it ideal for extra-deep timber and structural projects.
- 304 Marine Grade Stainless: Forged from premium 18-8 (304) Stainless Steel for superior corrosion defense. Essential for docks, coastal decks, and ACQ pressure-treated lumber.
- Extended Structural Strength: The 5/16 diameter delivers professional-grade shear resistance. At 4.5 long, these bolts are Well-suited for through-bolting thick posts and heavy structural timber framing.
- Snag-Free Safety Head: The rounded, drive-free head provides a clean appearance while minimizing hazards for clothing or skin in high-traffic areas.
Images
× ![]()
Rating and Reviews
8.8 Based on 30 reviews
IMSCREWS 5 16-18 x 4-1 2 Carriage 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.