Best Carbon Steel Hex Bolts in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Premium grade bolt kit to facilitate installation of exhaust headers
Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
Bolts are 3/8" in diameter and have a 1.000 under head length; 16 pieces
Manufactured from black oxide finished chrome moly steel
Heads are traditional hex style, and premium-quality washers are included
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Package Dimensions: 0.762 H x 14.732 L x 10.16 W (centimeters)
Made in USA
Valve Cover Stud/Bolt Kit
Part number: 4007507
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Socket Size(s) : 1/2 hex
Part number: 1502201
Fit type: Vehicle Specific
Package Weight: 0.088 kilograms
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
ARP Header Bolt Kit Big Block Chevy P/N 400-1112
Part number: 4001112
Fit type: Vehicle Specific
Package Weight: 0.75 pounds
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PartsHawk | 9.43 | ❌ | ❌ | ❌ |
ARP Header Bolt Kit Mopar V8 P/N 444-1102
Part number: 4441102
Fit type: Vehicle Specific
Package Weight: 0.75 pounds
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Arp | 6 |
We've carried out a comprehensive analysis of 691 reviews on hex bolts, using our selection criteria to identify the best options in the fasteners. Our findings reveal that most customers typically select hex bolts priced around $23.46, with top brands including gelisen, cseao, walfront, clipsandfasteners inc, hard-to-find fastener and mellewell and vigrue
Our team of expert editors reviewed these high-quality items and handpicked the top 6 hex bolts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the fasteners category. These include cseao, nineone, clipsandfasteners inc, amazon.com and mellewell direct and vigrue-king of screw .
We are dedicated to assisting our users in finding the right bolts Products based on their needs, saving them considerable time when choosing which hex bolts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
