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5 16-18 x 4 inch Hex Head
6th May 2026, 07:41 AM

5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Price may vary by location, shipping cost, and availability.
80% Off
$9.99
$48.99

Buy @ amazon.com
Highest: $9.99
Average: $8.74
Lowest: $4.99

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Based our analysis and observation, there is 35.00% chance that the price of 5 16-18 x 4 inch Hex Head... will increase. Price of product might fluctuate between 11% and 15% of current price.*

Price History Graph

Offer Price Prices
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Price History Information

You can check the price history of 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS here. This product's current Price in USA is $9.99. The average and highest prices are $8.74 and $9.99 respectively.

Lowest Ever Price $4.99
12th Mar 2026
Average Price $8.74
Based on 74 days price tracking
Highest Price $9.99
23rd Feb 2026

Price History of All Variants of 5 16-18 x 4 inch Hex Head...

12-13 x 4 Hex Head Bolts Black
Offer Price: $13.99

1/2-13 x 4 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 4 PCS

Get Deal

12-13 x 6 Hex Head Bolts Black
Offer Price: $16.99

1/2-13 x 6 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 4 PCS

Get Deal

12-13 x 2-1234 Hex Head Bolts Black
Offer Price: $13.99

1/2-13 x 2-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 6 PCS

Get Deal

12-13 x 1 Hex Head Bolts Black
Offer Price: $9.99

1/2-13 x 1 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

12-13 x 1-3434 Hex Head Bolts Black
Offer Price: $11.99

1/2-13 x 1-3/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 6 PCS

Get Deal

12-13 x 5-1234 Hex Head Bolts Black
Offer Price: $15.99

1/2-13 x 5-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 4 PCS

Get Deal

14-20 x 1-3434 Hex Head Bolts Black
Offer Price: $9.29

1/4-20 x 1-3/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 20 PCS

Get Deal

516-18 x 1-3434 Hex Head Bolts Black
Offer Price: $9.49

5/16-18 x 1-3/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

38-16 x 1-1434 Hex Head Bolts Black
Offer Price: $4.74

3/8-16 x 1-1/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

516-18 x 334 Hex Head Bolts Black
Offer Price: $9.99

5/16-18 x 3" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

38-16 x 4-1234 Hex Head Bolts Black
Offer Price: $13.99

3/8-16 x 4-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

516-18 x 1-1434 Hex Head Bolts Black
Offer Price: $9.48

5/16-18 x 1-1/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 12 PCS

Get Deal

38-16 x 1-3434 Hex Head Bolts Black
Offer Price: $9.69

3/8-16 x 1-3/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

516-18 x 2-1234 Hex Head Bolts Black
Offer Price: $9.89

5/16-18 x 2-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

38-16 x 5 Hex Head Bolts Black
Offer Price: $14.99

3/8-16 x 5 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

12-13 x 1-1234 Hex Head Bolts Black
Offer Price: $9.99

1/2-13 x 1-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 6 PCS

Get Deal

14-20 x 5834 Hex Head Bolts Black
Offer Price: $3.93

1/4-20 x 5/8" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 20 PCS

Get Deal

516-18 x 5-1234 Hex Head Bolts Black
Offer Price: $15.00

5/16-18 x 5-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

12-13 x 1 Hex Head Bolts Black
Offer Price: $5.41

1/2-13 x 1 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

516-18 x 234 Hex Head Bolts Black
Offer Price: $9.79

5/16-18 x 2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

38-16 x 1 Hex Head Bolts Black
Offer Price: $9.29

3/8-16 x 1 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

38-16 x 6 Hex Head Bolts Black
Offer Price: $16.99

3/8-16 x 6 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

516-18 x 1-1234 Hex Head Bolts Black
Offer Price: $9.68

5/16-18 x 1-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 12 PCS

Get Deal

12-13 x 1 Hex Head Bolts Black
Offer Price: $7.85

1/2-13 x 1 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

516-18 x 534 Hex Head Bolts Black
Offer Price: $11.99

5/16-18 x 5" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

38-16 x 3 Hex Head Bolts Black
Offer Price: $9.99

3/8-16 x 3 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

14-20 x 3-1234 Hex Head Bolts Black
Offer Price: $9.99

1/4-20 x 3-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 12 PCS

Get Deal

38-16 x 3434 Hex Head Bolts Black
Offer Price: $8.99

3/8-16 x 3/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

12-13 x 2 Hex Head Bolts Black
Offer Price: $12.99

1/2-13 x 2 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 6 PCS

Get Deal

14-20 x 3434 Hex Head Bolts Black
Offer Price: $7.89

1/4-20 x 3/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 20 PCS

Get Deal

12-13 x 1 Hex Head Bolts Black
Offer Price: $11.99

1/2-13 x 1 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

14-20 x 2 Hex Head Bolts Black
Offer Price: $9.49

1/4-20 x 2 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 20 PCS

Get Deal

516-18 x 4-1234 Hex Head Bolts Black
Offer Price: $9.99

5/16-18 x 4-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

516-18 x 634 Hex Head Bolts Black
Offer Price: $15.00

5/16-18 x 6" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

516-18 x 3434 Hex Head Bolts Black
Offer Price: $8.89

5/16-18 x 3/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 12 PCS

Get Deal

38-16 x 5-1234 Hex Head Bolts Black
Offer Price: $15.99

3/8-16 x 5-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

38-16 x 4 Hex Head Bolts Black
Offer Price: $12.99

3/8-16 x 4 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

14-20 x 1 Hex Head Bolts Black
Offer Price: $8.35

1/4-20 x 1 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 20 PCS

Get Deal

12-13 x 1 Hex Head Bolts Black
Offer Price: $7.49

1/2-13 x 1 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

14-20 x 1-1234 Hex Head Bolts Black
Offer Price: $4.49

1/4-20 x 1-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 20 PCS

Get Deal

516-18 x 434 Hex Head Bolts Black
Offer Price: $9.99

5/16-18 x 4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

14-20 x 2-1234 Hex Head Bolts Black
Offer Price: $9.69

1/4-20 x 2-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 12 PCS

Get Deal

516-18 x 3-1234 Hex Head Bolts Black
Offer Price: $9.99

5/16-18 x 3-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

12-13 x 4-1234 Hex Head Bolts Black
Offer Price: $14.99

1/2-13 x 4-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 4 PCS

Get Deal

516-18 x 134 Hex Head Bolts Black
Offer Price: $4.49

5/16-18 x 1" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 12 PCS

Get Deal

38-16 x 1-1234 Hex Head Bolts Black
Offer Price: $9.59

3/8-16 x 1-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

12-13 x 3-1234 Hex Head Bolts Black
Offer Price: $12.99

1/2-13 x 3-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 4 PCS

Get Deal

38-16 x 2 Hex Head Bolts Black
Offer Price: $9.79

3/8-16 x 2 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Get Deal

14-20 x 4 Hex Head Bolts Black
Offer Price: $9.99

1/4-20 x 4 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 12 PCS

Get Deal

14-20 x 1-1434 Hex Head Bolts Black
Offer Price: $8.69

1/4-20 x 1-1/4" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 20 PCS

Get Deal

38-16 x 3-1234 Hex Head Bolts Black
Offer Price: $5.99

3/8-16 x 3-1/2" Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 8 PCS

Get Deal

14-20 x 3 Hex Head Bolts Black
Offer Price: $9.99

1/4-20 x 3 Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 12 PCS

Get Deal

Current Price in USA

Price $9.99
MRP $48.99
Savings $39.00
Discount 79.60%

Recent Price Drops on 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Price Drop 11th Mar 2026
$9.99 → $4.99
50.05% drop

Product Information

Details

Product Name 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS
Store Product Code B0CNQNH831
Store Name amazon.com
Rating 10 / 10
Category Hex Bolts
Product Manufacturer EASTLO
Color Black
Size 5/16-18 x 4"

Features

  • Thread Size: 5/16-18; Thread Pitch: 18 TPI; Thread Type: Coarse Thread/ UNC
  • Screw Length: 4 inch or 100mm (measured excluding the head height); Head Height: 0.21 inch (5.36mm)
  • Hex Drive Size: 1/2"; Package Includes: 10 PCS
  • Strong enough for indoor and outdoor projects. Hex bolts generally requires washers and nuts to distribute the pressure, as well as preventing pull through. They are known for their effecient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling, aircraft and so on.
  • Made of 304 Stainless Steel with black coating outside which is superior to regular stainless steel and any zinc plated fasteners, 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.

Images

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Image of 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS
Image of 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS
Image of 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS
Image of 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS
Image of 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS
Image of 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS
Image of 5 /16-18 x 4 inch Hex Head Bolts Black, 304 Stainless Steel 18-8 Hexagon Head Screws Bolts, Black Oxide Finish, Allen Hex Drive, 10 PCS

Rating and Reviews

10 Based on 15 reviews

5 16-18 x 4 inch Hex Head has 10 rating out of 10. This average rating is consist of 15 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.
Buy @ amazon.com