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1. www.mcmaster.com › products › grade-8-boltsGrade 8 Bolts | McMaster-Carr

   www.mcmaster.com › products › grade-8-bolts

   Turn the large flat sides with a wrench into square holes that stop further rotation. 25 products. Choose from our selection of grade 8 bolts, including over 1,800 products in a wide range of styles and sizes. In stock and ready to ship.

2. Videos

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3. www.aftfasteners.com › grades-of-bolts-bolt-gradeGrades of Bolts - Bolt Grade Marking Chart | AFT Fasteners

   www.aftfasteners.com › grades-of-bolts-bolt-grade

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   Technical Resources. Grades of Bolts - Bolt Grade Markings & Bolt Strength Chart. This chart helps to identify the grades of bolts using the identification marks on the bolt's head along with the strength and hardness of common grade bolts.

   Head Marking	Bolt Grade / Specification	Material	Nominal Size (inch)
   Grade 1 - SAE J429 Bolts, Screws and ...	Low or medium carbon steel	1/4" - 1-1/2"	33,000
   Grade 2 - SAE J429 Bolts, Screws and ...	Low or medium carbon steel	1/4" - 3/4" >3/4" - 1-1/2"	55,000 33,000
   Grade 5 - SAE J429 Bolts, Screws and ...	Medium carbon steel or carbon steel with ...	1/4" - 1" >1" - 1-1/2"	85,000 74,000
   Grade 5.1 - SAE J429 Sems	Low or medium carbon steel, quenched and ...	No. 4 - 5/8"	85,000

   See full list on aftfasteners.com

4. www.homedepot.com › Grade-8 › N-5yc1vZc26wZ1z1by9vGrade 8 - Bolts - Fasteners - The Home Depot

   www.homedepot.com › Grade-8 › N-5yc1vZc26wZ1z1by9v

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   Get free shipping on qualified Grade 8 Bolts products or Buy Online Pick Up in Store today in the Hardware Department.

5. People also ask

   What are the benefits of using grade 8 bolts?

   • About 20% stronger than medium-strength steel screws, these Grade 8 steel screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. Serrations under the flange provide mild vibration resistance.

   Grade 8 Bolts | McMaster-Carr

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   How do I know if a bolt is grade 8?

   • An indicator dot changes from red to black when the screw is properly tightened. If it comes loose, the dot changes back to red. Made from Grade 8 steel, these bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. Carriage bolts have a smooth, rounded head for a finished look.

   Grade 8 Bolts | McMaster-Carr

   www.mcmaster.com/grade-8-bolts

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   What is the hardness of grade 8 bolts?

   • The tensile strength of Grade 8 bolts or grade 8.8 bolts is 800MPa, and the yield strength is 800 x 0.8 = 640mpa. The bearing capacity of the bolt can be calculated by selecting the cross-sectional area of the bolt.

   Grade 8 bolts - grade 8.8 bolts, grade 8 hex bolts, full thread grade 8 ...

   www.dingfastener.com/grade-8-bolts/

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6. boltdepot.com › Bolt-Grade-ChartBolt Depot - Bolt Grade Markings and Strength Chart

   boltdepot.com › Bolt-Grade-Chart

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   Grade 8 Medium carbon alloy steel, quenched and tempered 1/4" thru 1-1/2" 120,000: 130,000: 150,000: Grade A325 Carbon or alloy steel with or without boron 1/2" thru 1-1/2" 85,000: 92,000: 120,000: Stainless Markings Vary: 18-8 & 316 Stainless

7. www.mcmaster.com › grade-8-steel-specialty-boltsGrade 8 Steel Specialty Bolts | McMaster-Carr

   www.mcmaster.com › grade-8-steel-specialty-bolts

   Choose from our selection of grade 8 steel specialty bolts, including over 70 products in a wide range of styles and sizes. In stock and ready to ship.

8. wilsongarner.com › grade-8-bolt-strengthGrade 8 Bolts: Strength & Applications - Wilson-Garner

   wilsongarner.com › grade-8-bolt-strength

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   Aug 2, 2023 · SAE J429 is one of the most common standards for inch fasteners, and Grade 8 is the highest grade within it. Grade 8 bolts are made of medium-strength carbon or alloy steel and can be finished in a variety of coatings and platings for added corrosion resistance and lubricity.

9. www.grainger.com › category › fastenersGrade 8 Hex Head Bolts - Grainger Industrial Supply

   www.grainger.com › category › fasteners

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   Zinc Yellow. Advanced Corrosion Resistance. Drive Type. External Hex. Thread Style. Fully Threaded has threads that span the entire length of the fastener body. Partially Threaded has an unthreaded span just beneath the head and then has partial threading along the rest of the body. The part that is not threaded is known as the grip length.