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 |
|---|---|---|---|---|
| Mellewell Direct | 9.83 | ✅ | ✅ | ✅ |
Hex screw bolt can be widely used in the home and office appliance, communication equipments, ship assembly and other machinery industry.
Made of high quality 18-8 (304) stainless steel, provides strength and great protection from corrosions and tarnishing.
Thread Diameter: 5/16"; Thread Pitch: 1/18"; Screw Length: 1-1/4".
Package Included: 20 PCS hex head screws.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Fullerkreg | 9.81 | ✅ | ✅ | ✅ |
A Hexagon Bolt is a threaded fastener with a hexagonal head shape, and are designed to be installed using a spanner. Hexagon bolts are favoured for their robust shape, which makes them suitable for more heavy-duty fastening applications. Hexagon bolts are also generally available in larger sizes than alternative fasteners.
As their name suggests, Full Thread Hexagon Bolts are fully threaded. This type of bolt is required when the shaft of a fastener is being inserted completely into a threaded hole. Fully Threaded Bolts are often used to securely fasten two threaded sections together.
Made from 18-8 stainless steel, FullerkregⓇ brand screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.
Screws that meet ASME specifications comply with these dimensional standards.DIMENSIONS: Diameter: 5/16" | Length: 1-1/4" | Thread Type: 18 tpi Coarse Thread (Standard)
Package includes ten each of bolts, hex nuts , Flat & Lock washers
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Inrox | 9.68 | ❌ | ❌ | ❌ |
Thread Diameter 0.250"
Head Width Measured From Flat to Flat 7/16"
Head Height 11/64"
Hex Socket Drive 7/16"
FastenereⓇ brand stainless steel Fully Threaded Hex Bolts offer the corrosion resistance and strength that makes them the best choice for an application that is exposed to a wet or damp environment and will withstand the test of time
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| FASTENER DEPOT, LLC | 9.76 | ❌ | ❌ | ❌ |
Hex bolt made from high quality stainless steel grade 18-8 which offers one of the highest levels of corrosion and chemical resistance and will out last all other standard and plated fasteners available
Stainless steel hex bolts are the most common construction fastener having a hex head that can be secured with a socket or wrench and mated with a nut or other internally threaded item with a machine thread pattern of 1-8
Hex bolts also reffered to as tap bolts are fully threaded with a 3 inch of thread length that is measured starting from underneath the head to the end of the thread
Fastenere brand Stainless steel bolts have a high tensile strength of 70,000 PSI and meet ASMEB14.2.1 specifications for bolts that you can trust to stand strong under presure and secure your projects for years to come with no requirement for costly maintenance
Fastenere ultra stainless hex bolts are guaranteed to out live and out last all other grades of hardware when exposed to outdoor elements
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VictorsHome | 9.86 | ✅ | ✅ | ✅ |
SIZE - M8 x 20mm; Thread Length: 20mm; Hex Head Width(Fit Spanner Size): 13mm; Hex Head Thickness: 5.5mm; Thread Pitch: 1.25mm; Standard: ISO4017/DIN933.
PERFORMANCE - Full-threaded hexagonal bolts have a good grip effect, the bolts will be more stable and fastened on the object, not easy to loosen.
MATERIAL - Made of 18-8 (304) stainless steel, the stainless grade reaches A2-70 which has been cold forged to provide a tensile strength of 700MPa. The hex bolt provides good strength and corrosion resistance, ensures a long service life.
APPLICATION - Widely used in woodworking, fasteners of furniture and bed industry, garden equipment, pipe installation, joining lumber, machinery industry, automotive industry, construction, electronic industry and DIY projects, etc.
WHAT YOU GET - 5pcs x M8 Hex Bolt. If you have any questions about this item, please feel free to contact us!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VictorsHome | 9.85 | ✅ | ✅ | ✅ |
SIZE - M10 x 120mm; Thread Length: 120mm; Hex Head Width(Fit Spanner Size): 17mm; Hex Head Thickness: 6.5mm; Thread Pitch: 1.5mm; Standard: ISO4017/DIN933.
PERFORMANCE - Full-threaded hexagonal bolts have a good grip effect, the bolts will be more stable and fastened on the object, not easy to loosen.
MATERIAL - Made of 18-8 (304) stainless steel, the stainless grade reaches A2-70 which has been cold forged to provide a tensile strength of 700MPa. The hex bolt provides good strength and corrosion resistance, ensures a long service life.
APPLICATION - Widely used in woodworking, fasteners of furniture and bed industry, garden equipment, pipe installation, joining lumber, machinery industry, automotive industry, construction, electronic industry and DIY projects, etc.
WHAT YOU GET - 5pcs x M10 Hex Bolt. If you have any questions about this item, please feel free to contact us!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VictorsHome | 9.86 | ✅ | ✅ | ✅ |
SIZE - M8 x 60mm; Thread Length: 60mm; Hex Head Width(Fit Spanner Size): 13mm; Hex Head Thickness: 5.5mm; Thread Pitch: 1.25mm; Standard: ISO4017/DIN933.
PERFORMANCE - Full-threaded hexagonal bolts have a good grip effect, the bolts will be more stable and fastened on the object, not easy to loosen.
MATERIAL - Made of 18-8 (304) stainless steel, the stainless grade reaches A2-70 which has been cold forged to provide a tensile strength of 700MPa. The hex bolt provides good strength and corrosion resistance, ensures a long service life.
APPLICATION - Widely used in woodworking, fasteners of furniture and bed industry, garden equipment, pipe installation, joining lumber, machinery industry, automotive industry, construction, electronic industry and DIY projects, etc.
WHAT YOU GET - 5pcs x M8 Hex Bolt. If you have any questions about this item, please feel free to contact us!
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Victorshome | 3 |
| Fastenere | 2 |
| Fullerkreg | 1 |
| Mellewell | 1 |
We've carried out a comprehensive analysis of 1,649 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 $15.75, 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 7 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.
