9th Jul 2026, 09:47 PM
1 /4-20 x 3-1 /2 inch Black Steel Carriage Bolts, 304 Stainless Steel 18-8, Round Domed Head Square Neck Carriage Bolts Screws, Coarse Thread UNC, 10 PCS
Price may vary by location, shipping cost, and availability.
0% Off
$9.49
$9.49
Highest: $9.49
Average: $9.15
Lowest: $4.74
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of 1 /4-20 x 3-1 /2 inch Black Steel Carriage Bolts, 304 Stainless Steel 18-8, Round Domed Head Square Neck Carriage Bolts Screws, Coarse Thread UNC, 10 PCS here. This product's current Price in USA is $9.49. The average and highest prices are $9.15 and $9.49 respectively.
| Lowest Ever Price | $4.74 |
|---|---|
| 28th Jun 2026 | |
| Average Price | $9.15 |
| Based on 145 days price tracking | |
| Highest Price | $9.49 |
| 27th Feb 2026 | |
Price History of All Variants of 1 4-20 x 3-1 2 inch Black...
Current Price in USA
| Price | $9.49 |
|---|---|
| MRP | $9.49 |
| Savings | $0.00 |
| Discount | 0% |
Recent Price Drops on 1 /4-20 x 3-1 /2 inch Black Steel Carriage Bolts, 304 Stainless Steel 18-8, Round Domed Head Square Neck Carriage Bolts Screws, Coarse Thread UNC, 10 PCS
Price Drop 27th Jun 2026
$9.49 → $4.74
50.05% drop
Product Information
Details
| Product Name | 1 /4-20 x 3-1 /2 inch Black Steel Carriage Bolts, 304 Stainless Steel 18-8, Round Domed Head Square Neck Carriage Bolts Screws, Coarse Thread UNC, 10 PCS |
|---|---|
| Store Product Code | B0D766T78R |
| Store Name | amazon.com |
| Rating | 9.4 / 10 |
| Category | Carriage Bolts |
| Product Manufacturer | EASTLO |
| Color | Black |
| Size | 1/4-20 x 3-1/2" |
Features
- Package Includes: 1/4-20 x 3-1/2" Black Carrigae Bolts 10 pcs
- Design feature: Big round domed head designed to eliminate the need for a washer; Square neck underneath the head helps self locking; Their strong holding power ensures the stability and reliability of your contructions; Use wrench or plier tools to turn the square neck to install them
- Material: Made of 304 Stainless Steel with black coating outside which is superior to regular stainless steel fasterners, provides better strength and corrosion resistance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance
- Screw Length: 3.5 inch (measured from under the head, including the square neck part)
- Diameter of the screw head: 14.3-15.1 mm; Height of the screw head: 3.2-3.7 mm; Height of the square neck: 3.2-4 mm
Images
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Rating and Reviews
9.4 Based on 33 reviews
1 4-20 x 3-1 2 inch Black has 9.4 rating out of 10. This average rating is consist of 33 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.