20 Best 5/16 Bolt [2024]

Are you looking for the best 5/16 Bolt? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 5/16 Bolt.

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# Preview Product
1 5/16-18 x 1' (1/2' to 4-1/2' Available) Hex Head Screw Bolt, Fully Threaded, Stainless Steel 18-8,... 5/16-18 x 1" (1/2" to 4-1/2" Available) Hex Head Screw Bolt, Fully Threaded, Stainless Steel...
2 5/16-18 x 1' Hex Head Bolts, Grade 8 (3/4' to 4' Lengths in Listing) Hex Head Cap Screws (5/16-18x1... 5/16-18 x 1" Hex Head Bolts, Grade 8 (3/4" to 4" Lengths in Listing) Hex Head Cap Screws...
3 (10 Sets) 5/16-18x2' Stainless Steel Hex Head Screws Bolts, 5/16 Nuts, 5/16 Flat Washer & 5/16 Lock... (10 Sets) 5/16-18x2" Stainless Steel Hex Head Screws Bolts, 5/16 Nuts, 5/16 Flat Washer & 5/16...
4 5/16-18 x 1' Button Head Socket Cap Bolts Screws, 304 Stainless Steel 18-8, Full Thread, Coarse... 5/16-18 x 1" Button Head Socket Cap Bolts Screws, 304 Stainless Steel 18-8, Full Thread, Coarse...
5 Hard-to-Find Fastener 014973251550 Grade 8 Coarse Hex Cap Screws, 5/16-18 x 1-1/4-Inch, 50-Piece Hard-to-Find Fastener 014973251550 Grade 8 Coarse Hex Cap Screws, 5/16-18 x 1-1/4-Inch, 50-Piece
6 Hard-to-Find Fastener 014973243999 Full Thread Hex Tap Bolts, 5/16-18 x 1, Piece-100, zinc Hard-to-Find Fastener 014973243999 Full Thread Hex Tap Bolts, 5/16-18 x 1, Piece-100, zinc
7 5/16-18 x 2' (1/2' to 6' Available) Hex Head Cap Screw Bolts, External Hex Drive, Stainless Steel... 5/16-18 x 2" (1/2" to 6" Available) Hex Head Cap Screw Bolts, External Hex Drive, Stainless Steel...
8 Glvaner 5/16-18 Thread Size 1-1/2 inch Thread Length Hex Bolt 12 pcs Stainless Steel 304 (18-8) Full... Glvaner 5/16-18 Thread Size 1-1/2 inch Thread Length Hex Bolt 12 pcs Stainless Steel 304 (18-8)...
9 5/16'-18 x 1' Stainless Hex Head Bolt, 18-8 Stainless Steel (50 pk) 5/16"-18 x 1" Stainless Hex Head Bolt, 18-8 Stainless Steel (50 pk)
10 (25) 5/16 18 x 1 3/16' Body Bolts 1/2' Hex 7/8' Washer (25) 5/16 18 x 1 3/16" Body Bolts 1/2" Hex 7/8" Washer
11 50 5/16'-18 x 7/8' Indented Hex Head Sems Body Bolts 50 5/16"-18 x 7/8" Indented Hex Head Sems Body Bolts
12 Prime-Line 9059011 Hex Bolts, 5/16 inch-18 X 1-1/2 inch, A307 Grade A Zinc Plated Steel Prime-Line 9059011 Hex Bolts, 5/16 inch-18 X 1-1/2 inch, A307 Grade A Zinc Plated Steel
13 binifiMux 10-Pack Black 5/16-18 x 2' Allen Head Countersunk Rivet Socket Cap Connecting Bolts Cap... binifiMux 10-Pack Black 5/16-18 x 2" Allen Head Countersunk Rivet Socket Cap Connecting Bolts Cap...
14 Glvaner (15 pcs) 5/16' x 1-1/2' inch Length Stainless Steel Hex Lag Bolts Screws 304 Stainless Steel... Glvaner (15 pcs) 5/16" x 1-1/2" inch Length Stainless Steel Hex Lag Bolts Screws 304 Stainless...
15 5/16-18 x 3/4' Button Head Socket Cap Bolts Screws, 10Pcs 304 Stainless Steel 18-8, Allen Hex Drive,... 5/16-18 x 3/4" Button Head Socket Cap Bolts Screws, 10Pcs 304 Stainless Steel 18-8, Allen Hex...
16 Hard-to-Find Fastener 014973244064 Full Thread Hex Tap Bolts, 5/16-18 x 2-1/2, Piece-15, zinc Hard-to-Find Fastener 014973244064 Full Thread Hex Tap Bolts, 5/16-18 x 2-1/2, Piece-15, zinc
17 Prime-Line 9090912 Serrated Flange Bolts, 5/16 inch-18 X 1 inch, Zinc Plated Case Hardened Prime-Line 9090912 Serrated Flange Bolts, 5/16 inch-18 X 1 inch, Zinc Plated Case Hardened
18 POWERTEC Tee 5/16-Inch-18, 3-1/2-Inch, 20-Pack QTB1003 T-Slot 5/16”-18 Thread Size T-Bolt 3-1/2... POWERTEC Tee 5/16-Inch-18, 3-1/2-Inch, 20-Pack QTB1003 T-Slot 5/16”-18 Thread Size T-Bolt 3-1/2...
19 uxcell 5/16-inch X 3-inch Male Thread Spring Loaded Hollow Wall Round Head Toggle Bolt 5pcs uxcell 5/16-inch X 3-inch Male Thread Spring Loaded Hollow Wall Round Head Toggle Bolt 5pcs
20 Hard-to-Find Fastener 014973100261 Coarse Hex Bolts, 5/16-18 x 3/4, Piece-100, zinc Hard-to-Find Fastener 014973100261 Coarse Hex Bolts, 5/16-18 x 3/4, Piece-100, zinc
Bestseller No. 1
5/16-18 x 1" (1/2" to 4-1/2" Available) Hex Head Screw Bolt, Fully Threaded, Stainless Steel 18-8,...
  • 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".
  • Package Included: 25 PCS hex head screws.
Bestseller No. 2
5/16-18 x 1" Hex Head Bolts, Grade 8 (3/4" to 4" Lengths in Listing) Hex Head Cap Screws (5/16-18x1...
  • Alloy Steel, Quenched and Tempered
  • Minimum Tensile Strength of 150,000 PSI
  • 5/16-18 x " USS Coarse Thread
  • Yellow Chromate Zinc Coating
  • 50 Pieces
Bestseller No. 3
(10 Sets) 5/16-18x2" Stainless Steel Hex Head Screws Bolts, 5/16 Nuts, 5/16 Flat Washer & 5/16 Lock...
  • 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...
  • 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...
  • Made from 18-8 stainless steel, FullerkregⓇ brand screws have good chemical resistance and may be mildly magnetic. Length is measured from under the...
  • Screws that meet ASME specifications comply with these dimensional standards.DIMENSIONS: Diameter: 5/16" | Length: 2" | Thread Type: 18 tpi Coarse...
  • Package includes ten each of bolts, hex nuts , Flat & Lock washers
Bestseller No. 4
5/16-18 x 1" Button Head Socket Cap Bolts Screws, 304 Stainless Steel 18-8, Full Thread, Coarse...
  • Allen Hex Drive Size: 3/16"
  • Thread Size: 5/16-18; Thread Pitch: 18 TPI Coarse Thread (UNC); Thread Style: Right Hand; Thread Coverage: Full Machine Thread
  • Exterior Finish: Bright Finish; Color: Silver Tone; Quantity: 10 pack
  • HIGH QUALITY MATERIAL: 100% Stainless steel 304(18-8) which is superior to regular steel and any zinc plated fasteners, provides good strength and...
  • Screw Length: (measuered from under the head) 1" or 1 inch; Head Height: 0.166 inch; Diameter of the head: 0.547 inch Approximately
Bestseller No. 5
Hard-to-Find Fastener 014973251550 Grade 8 Coarse Hex Cap Screws, 5/16-18 x 1-1/4-Inch, 50-Piece
  • Diameter: 5/16-Inch
  • Length: 1-1/4-Inch
  • Material: Steel
  • Finish: Yellow Zinc
  • Head Style: Hex (1/2 Wrench)
Bestseller No. 6
Hard-to-Find Fastener 014973243999 Full Thread Hex Tap Bolts, 5/16-18 x 1, Piece-100, zinc
  • Diameter: 5/16 inch
  • Length: 1 inch
  • Material: steel
  • Finish: zinc
  • Head style: hex (1/2 wrench)
Bestseller No. 7
5/16-18 x 2" (1/2" to 6" Available) Hex Head Cap Screw Bolts, External Hex Drive, Stainless Steel...
  • High quality Grade 18-8 (304) Stainless Steel provides strength and offers good corrosion resistance in many environments.
  • Hex bolts have a variety of uses for construction, agriculture and automotive applications. They are strong, corrosion proof, and will support all of...
  • Thread Diameter 5/16 Inch; Thread Size 18 Threads per Inch; Screw Length 2 Inch.
  • Package Included: 15 PCS Hex Head Cap Bolts.
  • Hex Bolts are great to have around for use in wood and wet environments.
Bestseller No. 8
Glvaner 5/16-18 Thread Size 1-1/2 inch Thread Length Hex Bolt 12 pcs Stainless Steel 304 (18-8) Full...
  • Thread Size: 5/16"-18; Thread Pitch: 18 TPI; Thread Type: Coarse Thread;
  • Package include: 12 PCS; Hex Drive Size: 1/2"
  • Material: 304 stainless steel (A2-70) and no exterior finish, greater strength and corrision resistance performance than regular stianless steel or...
  • Thread Length: 1.5 inch; Head Height: 0.2 inch;
  • Hex bolts generally require flat & lock washers to evenly distribute the pressure from the head and the nut. You could find the matched hex nut and...
Bestseller No. 12
Prime-Line 9059011 Hex Bolts, 5/16 inch-18 X 1-1/2 inch, A307 Grade A Zinc Plated Steel
  • Size: 5/16 inch-18 X 1-1/2 inch
  • One of the most common and versatile fasteners
  • Designed for use with a nut or a threaded hole of the same diameter and thread size
  • Features a 6 sided head and can be fastened using a wrench or socket tool
  • Nuts and washers not included
Bestseller No. 13
binifiMux 10-Pack Black 5/16-18 x 2" Allen Head Countersunk Rivet Socket Cap Connecting Bolts Cap...
  • [❤] Package: 10pcs 5/16-18 Screws, one hex key;
  • [❤] Name: Black 5/16-18 x 2" Furniture Allen Bolts;
  • [❤] Fit hex Type: 5mm; [❤] Material: Metal; [❤] Color: Black;
  • [❤] Applicance: bed, table, chair, crib, cots and other furniture.
Bestseller No. 14
Glvaner (15 pcs) 5/16" x 1-1/2" inch Length Stainless Steel Hex Lag Bolts Screws 304 Stainless Steel...
  • Thread Diameter: 5/16"; Screw Length: 1-1/2" (excluding the head height); Head Type: Hex Head
  • External Hex Drive: 1/2"; Package: 15 PCS
  • Material: 304 stainless steel (A2-70) and no exterior finish, greater strength and corrision resistance performance than regular stianless steel or...
  • Typically used for securing wood in heavier duty applications.
  • Lag bolts, also called lag screws, generally require flat washers to evenly distribute the pressure from the head. You could find the matched flat...
Bestseller No. 15
5/16-18 x 3/4" Button Head Socket Cap Bolts Screws, 10Pcs 304 Stainless Steel 18-8, Allen Hex Drive,...
  • RUGGED AND DURABLE - SG TZH Button Head Socket Cap Bolts Screws made of high-quality 18-8(304)Stainless Steel,which has higher corrosion resistance...
  • Product Size - Thread Diameter: 5/16"; Thread Pitch: 1/18"; Screw Length: 3/4". Head Diameter: 0.537". Please check specfication by picture 2
  • WIDE RANGE OF APPLICATIONS - Button Head Socket Cap Bolts Screws can be widely used in the home and office appliance, communication equipments, ship...
  • VALUE PACKAGING AND EASY TO USE - This Button Head Socket Cap Bolts Screws bolt package contains 10Pcs , They are ideal for use at home, in the office...
  • INTIMATE SERVICE - SG TZH focus on customer satisfaction, if you have any questions or are not satisfied, you can contact us by email, we will solve...
SaleBestseller No. 16
Hard-to-Find Fastener 014973244064 Full Thread Hex Tap Bolts, 5/16-18 x 2-1/2, Piece-15, zinc
  • Diameter: 5/16"
  • Length: 2-1/2 inches
  • Material: Steel
  • Finish: Zinc
  • Head Style: Hex (1/2 Wrench)
Bestseller No. 17
Prime-Line 9090912 Serrated Flange Bolts, 5/16 inch-18 X 1 inch, Zinc Plated Case Hardened
  • Size: 5/16 inch-18 X 1 inch
  • Hex bolt with a serrated circular flange under the head
  • Flange eliminates need for separate washer
  • Serrations bite into surface and can help to prevent loosening
  • Designed for use with a nut (not included) or a threaded hole of the same diameter and thread size
SaleBestseller No. 18
POWERTEC Tee 5/16-Inch-18, 3-1/2-Inch, 20-Pack QTB1003 T-Slot 5/16”-18 Thread Size T-Bolt 3-1/2...
  • INCLUDES: (20) Tee Bolts 5/16”-18 thread bolt and 3-1/2 long
  • FUNCTION: Essential jig and fixture hardware designed with precision machined t-heads that fit inside routed grooves and t-slots, allowing the...
  • QUALITY: T-Bolts are made from high quality zinc-plated carbon steel for corrosion resistance, rust protection and long lasting durability
  • DESIGN: Able to withstand strong torque with heavy usage, and won’t easily strip, nor over-tighten
  • BOLT SIZE AND THREAD: Length 3. 5” | T-Shaped Heads 13/16” by 17/32” by 7/64” Thick |5/16-inch-18 All Thread
Bestseller No. 19
uxcell 5/16-inch X 3-inch Male Thread Spring Loaded Hollow Wall Round Head Toggle Bolt 5pcs
  • Cross Screw Size: 5/16" X 3" (Thread Dia* Thread Length); Cilp Open Size: 75(+/-3) x 21(+/-3) mm/3" x 0.83"(L*Max.W)
  • Punch Diameter: 22mm / 0.87"; Main Color: Silver Tone
  • Material: Metal; Package Content: 5pcs x Toggle Bolt
  • Product Name: Toggle Bolt
  • Weight: 238g
Bestseller No. 20
Hard-to-Find Fastener 014973100261 Coarse Hex Bolts, 5/16-18 x 3/4, Piece-100, zinc
  • Diameter: 5/16-Inch
  • Length: 3/4-Inch
  • Material: Steel
  • Finish: Zinc
  • Head Style: Hex (1/2 Wrench)

Having trouble finding a great 5/16 Bolt?

This problem is well understood by us because we have gone through the entire 5/16 Bolt research process ourselves, which is why we have put together a comprehensive list of the best 5/16 Bolts available in the market today.

After hours of searching and using all the models on the market, we have found the best 5/16 Bolt for 2023. See our ranking below!

How Do You Buy The Best 5/16 Bolt?

Do you get stressed out thinking about shopping for a great 5/16 Bolt? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 5/16 Bolt, which is why we have assembled a comprehensive list of the greatest 5/16 Bolt available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 5/16 Bolt that you consider buying. Your questions might include the following:

  • Is it worth buying an 5/16 Bolt?
  • What benefits are there with buying an 5/16 Bolt?
  • What factors deserve consideration when shopping for an effective 5/16 Bolt?
  • Why is it crucial to invest in any 5/16 Bolt, much less the best one?
  • Which 5/16 Bolt are good in the current market?
  • Where can you find information like this about 5/16 Bolt?

We’re convinced that you likely have far more questions than just these regarding 5/16 Bolt, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 5/16 Bolt, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 5/16 Bolt. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 5/16 Bolt buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 5/16 Bolt currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 5/16 Bolt has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 5/16 Bolt?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 5/16 Bolt.
  5. Customer Ratings: Number ratings grade 5/16 Bolt objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 5/16 Bolt.
  7. Product Quality: You don’t always get what you pay for with an 5/16 Bolt, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 5/16 Bolt is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 5/16 Bolt information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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FAQ:

Q: What is a 5/16 bolt?

A: Hex bolts, 5/16″ Hex bolts have hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.

Q: What is a Grade 5 bolt used for?

A: Made from Grade 5 steel, these bolts are suitable for fastening most machinery and equipment. These bolts are commonly used in tight spaces with moving parts, such as grain elevators and other belting systems, because the smooth, low-profile head provides a flush fit when installed.

Q: What are Hex Bolts made of?

A: Hex bolts have hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts. A bolt with a six sided head. A corrosion resistant steel alloy. The most common stainless steel for general hardware use. A highly corrosion resistant grade of stainless steel.

Q: Why use grade 5 steel screws?

A: The thread locker helps resist loosening from vibration. Made from 18-8 stainless steel, these screws have good chemical resistance. They have a thread locker to prevent loosening from vibration. These Grade 5 steel screws are over 70% stronger than our stainless steel wire-lockable hex head screws.