5000 Piece Grade 8 COARSE Thread Bolt Assortment. Grade 8 This grade of bolt is made of medium carbon alloy steel that has been quenched and tempered to harden it more than . We stock grade 8, grade 9 and grade 5 fasteners.
Tech. Reserve Online Participant NAPA Rewards. Its strength is near the high end of the grade scale, although there are higher grades and strengths for more specialized fasteners. English bolts have radial lines on their head to identify the grade, or strength class. Gr 8 bolt capability in yield (stretch) = 130,000 lbs / in2 x .03349 in2 = 4354 lbs minimum. Their externally threaded design makes them easy to tighten with wrenches or pliers. What part do you need today? Store Hours CLOSED Mon-Fri: Closed. Grade 8 Square Bend U-Bolt Kits Come With (2) U-Bolts, Deep Nuts And Thick Washers. The square neck keeps these bolts from turning when tightening a nut. Hex Head Cap Screws-Bolts Grade 8 Coarse. The elongation of grade 8 is much less than that of grade 5.
They are made of boron or carbon steel and have high . Proof Load (psi) Yield Strength Min (psi) Tensile Strength Min (psi) Low or Medium Carbon Steel LowCarbon Steel 14 thru 4 Automotive Fastener Pro Shop Assortments; Pro Shop Assortment Accessories; Pro Shop Assortment Refills. $113.96. tensile strength is 150,000 lbs per square inch. 50 Pcs. 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. 5 x 16mm Class 8.8 Cap Screw. Re-use Of Original/Used Spring U-Bolts Is Not Recommended Due To Fatigue and Stretching When U-Bolt Was Originally Torqued. Grade 8 hex bolts have 6 marks on the head. Grade 8 is near the high end of the grade scale, although there are higher grades and strengths for more specialized fasteners. Free shipping. Grade 2 bolts are cheap but not very strong, grade 8 bolts are the strongest and most expensive, and grade 5 bolts are the most common. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications. Grade 8 bolts are specified for high strength applications and are commonly used in heavy manufacturing, such as tractor and truck fabrication for instance. Metric bolts have the grade number formed on the head face. Chevy/GMC Truck Leaf Springs. ***June Scrap Surcharge will be $.280/lb***July Scrap Surcharge will be $.2434/lb***August Scrap Surcharge will be $.2144/lb We Manufacture Fastener Solutions! Grade 8 is 150,000psi Grade 9 is 180,000psi McMaster Carr 92620A750 Grade 8 Alloy Steel Hex Head Cap Screw Zinc Yellow Pltd, 1/2"-20 Thrd, 3" L, Fully Thrd $4.33ea Jim S. 67 RS "driver "04-25-2013 #5. lawlorj. Cheers. Home; Shop All. 50 Pcs. Class 10.9 Hex Flange Bolts Zinc Plate; The Auto Bolt Company has 70 years of experience manufacturing fasteners and bolts for a variety of industries including the Military, Automotive and OEM. Higher Number Means Stronger. ARP likely sells them. A tempered medium carbon steel. Carriage bolts have a smooth, rounded head for a finished look. IRstuff (Aerospace) 26 Mar 07 22:16. (hopefully). Sat: Closed. Have often heard "Grade 8 bolts are too brittle, don't use them on automotive projects". Menu. The symbol is for ISO tracking. Grade 5 Made of medium carbon steel that is quenched and tempered for added strength, this grade is the most common bolt found in automotive applications. They come ready for supporting your pipework, machinery, etc. 22,675 products. There are many that do not understand bolts by grade and torque specifications. Was: $24.98. So, for example, a grade 5 bolt will only have 3 radial lines on its head.
Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. It is made of alloy steel and has six radial lines on the top of the bolt head. Grade 5 bolts are great for shearing forces, but are lousy under pulling or compressing forces because they can stretch or compress. Grade 8 Hex Bolt Washer/Nut Assortment Yellow Zinc (508) Pcs. Grade 8 Hex Bolts Cap Screws, Nuts & Washers Assortment Kit - 380 Pieces! Bolts of ISO class 8.8 and the slightly stronger class 9.8 roughly correspond to an SAE Grade 5 bolt. Tester August 7, 2012, 5:56am #2. Re-use Of Original/Used Spring U-Bolts Is Not Recommended Due To Fatigue and Stretching When U-Bolt Was Originally Torqued. (Pack of 25) Item#: 28681. A hexagonal head for use with a wrench. Bolts are graded using various systems, but in the United States, the main bolt grading system was designed by SAE, the Society of Automotive Engineers. The zinc plated, hot dip galvanized and plain finishes are available for different application needs. Grade 8 bolt Gr 8 bolt capability in yield (stretch) = 130,000 lbs / in2 x .03349 in2 = 4354 lbs minimum High tensile Grade 8 bolt capability in tension (failure) = 150,000 lbs / in2 x .03349 in2 = 5024 lbs minimum Grade 8 hex bolts have 6 marks on the head. ASTM A354 BD is used for structural bolts, while SAE J429 Grade 8 is an automotive specification. Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. . Thats all I can offer without knowing your application. Chevy Astro, GMC Safari Leaf Springs; Chevy Blazer, Suburban, Tahoe Full Size, GMC Jimmy&Yukon Full Size; Chevy S10/GMC S15 Pickup , Chevy S10 Blazer, GMC S15 Jimmy; 5/16-18X3 Hex Flange Bolt Grade 8 Phos&Oil. Frame Bolts, Grade 8, Coarse Thread. Thus they are stronger and are used in demanding applications such as automotive suspensions. SKU: #1810975. New Kits. 5 x 10mm Class 8.8 Cap Screw. Part Number: 831024NY. Shop Now. If you're concerned about shearing forces . Manufacturing. In Stock Zinc II plated yellow. Grade 8 bolts are medium carbon alloy steel, quenched and tempered at a minimum temperature of 800 degrees Fahrenheit. So, for example, a grade 5 bolt will only have 3 radial lines on its head. Want to prove it to yourself, drill two holes in two pieces of bar stock 2 ft long, 3" apart at one end one 3/8", and the other 1/4". Item# FB871. These bolts are sometimes called Frame bolts. Brake Bleeder Screw Set. Grade G is roughly equivalent to Grade 8. A tempered medium carbon steel. Pricing Options. They can come with different finishes as well. In actual fact, Grade 5 bolts are often preferred over Grade 8 . Price: Starting at $0.37. . Most of these are pretty harmless, but to state that a grade five bolt is preferred over a grade 8 bolt when mounting suspension components is really dangerous. Home. A grade 8 bolt will have 6 radial lines on its head. High tensile Grade 8 bolt capability in tension (failure) = 150,000 lbs / in2 x .03349 in2 = 5024 lbs minimum. There could be zinc plated, hot dip galvanized or plain types of bolts. Depend on grade 8 hex flange bolts for use in applications that are demanding. All American and/or World follow the specs. Search. USS (Coarse Thread) SAE (Fine Thread) JIS (Japanese) Metric. Deck Lid Striker Bolt. Grade 8 bolts have a high tensile strength rating due to its medium-carbon alloy steel composition that has been quenched and tempered in order to achieve a high tensile strength of 150,000 psi. Grade 8 is much better for suspension, period! Grade 8 Bolts Have AQuestion Grade 8 Bolts and fasteners are comprised of carbon-alloy steel, heat treated in a carbon controlled atmosphere and are generally the most durable and reliable fastener. Grade 8 steel plain finish. An ISO Class 10.9 bolt roughly corresponds to an SAE Grade 8 . Refer to the charts to find the ideal tightening torque. 5/16-18X2-1/2 Hex Flange Bolt Grade 8 Zinc Yellow. Get deals on automotive parts, truck parts and more. Save. Please note the bolt heads may also include the manufacturer's identification stamp, especially with high strength bolts. Disco Automotive 8mm Short Fold Clip 'U' Extruded Nut. Motor Mount Bolt. . The most common high tensile bolts are: Grade 8.8 bolts: Also known as structural grade bolts, they are typically made of steel and plated with several coatings. 3/8-16X5/8 Hex Flange Bolt Grade 8 Phos&Oil.
The higher the grade, the stronger the bolt. tensile strength is 150,000 lbs per square inch ultimate shear strength Grade 5 bolt LIMITED LIFETIME REPLACEMENT. 4 x 20mm Class 8.8 Cap Screw. 25 pcs CrownBolt 88590 Hex Bolts Cap Screws 1/2"-13 x 3-1/2" Coarse Grade 8 Zinc. Grade 8 Hex Bolts Cap Screws, Nuts & Washers Assortment Kit - 380 Pieces! 7mm Wrench Size. The grade 8 bolt can be identified via the flat, hexagonal head [] Just remember that all hardware should be re-torqued depending on application and usage. It is made of alloy steel and has six radial lines on the top of the bolt head.
Only if applied for a long . Reserve Online Participant NAPA Rewards. Now, the front end is making groaning and popping noises. The flange distributes pressure over the surface, eliminating the need for a washer. 430 HP@6500. Item# FB872. 65 Mustang, 331 custom built with 289 H beam rods and 383W piston, 282S cam, self-ported '70 351w heads, T5z, 9" w/3.89s. Made in the USA. Brake Hose Bolt Washer. This grade is part of the SAE classification; it is the minimum standard of the automotive and structural industries, plus it is used in high-temperature applications. Closest store could not be determined, 94601 Get Directions. Grade 8 Hex Cap Screws/Bolts. Well, judge for yourself. Coarse Thread. Add a vehicle. 1-16 of over 5,000 results for "grade 8 bolts" RESULTS Amazon's Choice Grade 8 Hex Cap Bolts Screws, Nuts, Washers, Lock Washers Assortment Kit - 380 Pieces! Closest store could not be determined, 94601 Get Directions. Serrated. Grade 8 bolts have 6 evenly spaced radial lines on the head. A tempered medium carbon steel. RE: Grade 8 Bolt Marking Symbol. Grade 8 bolts have six evenly spaced radial lines on the bolt head. All automotive manufacturers use grade 8 or higher nuts and bolts on their vehicles. English bolts have radial lines on their head to identify the grade, or strength class. > This same 21% of force, would have elongated and sheared the Grade 5 bolt. They can be identified by the five radial lines on the head of the bolt and are usually (but not necessarily) gold in color.
Frame Bolts, Grade 8, Coarse Thread. These high-strength bolts are typically used in standard temperature and pressure level . Price: Starting at $0.92. Oil Filters Air Filters Cabin . Zinc plated grade 5 steel. GRADE 8 FINE THREAD BOLT KIT Our Price: $142.95 . Fasteners are made in the USA. written by Brent Vandervort. Sat: Closed. Bolt, NUT, Washer and LOCKNUT Comes with (2) Durham 40 Hole Bins 1/4-3/4 9 $1,09999 Get it as soon as Wed, May 11 FREE Shipping Grade 8 Hex Cap Flange Frame Bolt Black Phos & Locking Flange Nuts Assortment Kit - 352 Pieces! Zinc plated grade 8 steel yellow. Zinc plated grade 8 steel yellow. Both specifications are heat treated and tempered at 800 F, which creates a very strong part but increases brittleness more than comparative specifications. put a 3/8" bolt and nut in the larger hole, and a grade 5 1/4" bolt in the other. Leaf Spring U Bolt Kits For Heavy Trucks, Medium and Light Duty Trucks And Auto Applications. Felt Washer. Grade 8 / Grade G. Grade 8 bolts are more hardened than Grade 5 bolts. The specification for this material grade fasteners is the ASTM A324. High-Strength Grade 8 Steel Flanged Hex Head Screws. Buy online, pick up in-store in 30 minutes. They are at least 25% stronger than medium-strength steel screws. 8. These bolts are sometimes called Frame bolts. Zinc plated for moderate corrosion resistance. 3/8-16x1 Grade 8 Hex Serrated Flange Bolts Authentic Merchandise Head Height: 0 Wrench Size: 9/16" O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. Acura Alfa Romeo AMC Audi Austin-Healey BMC BMW Briggs & Stratton Buick Cadillac Caterpillar Chevrolet: 4 Cylinder Chevrolet: 6 Cylinder Chevrolet: Small Block Chevrolet: Big Block Chevrolet: Diesel Chevrolet: LS Chevrolet: LT Chrysler: 4 . or Best Offer. Shop O'Reilly Auto Parts online. $54.99. They feature 6 radial lines on the head and are made from medium carbon alloy steel which has been quenched and tempered. View Profile View Forum Posts Buy HEX BOLT GRADE 8 - RFD 960717D online from NAPA Auto Parts Stores. The Nutty Company stocks a full range of Bolts including Grade 2 Hex Head Cap Screws, Grade 5 Hex Head Cap Screws, Grade 8 Hex Head Cap Screws, Tap Bolts, Grade 8 Tap Bolts, Carriage Bolts, Lag Bolts, Plow Bolts, Hanger Bolts, Grade 8 Flange (Frame) Bolts,and J Bolts.. Mark's Standard Handbook for Mechanical Engineers lists Grade 8's as 150 ksi fasteners meaning the tensile strength is 150,000 lbs per square inch. Coarse Thread. A grade 8 is a grade 8. ; Grade 8 Square Bend U-Bolt Kits Come With (2) U-Bolts, Deep Nuts And Thick Washers.
Lock Nut. Pricing Options. $16 . Sun: .
This from the September 2011 Goodguys Gazette,. Grade 8 bolts have been hardened more than grade 5 bolts. Re-use Of Original/Used Spring U-Bolts Is Not Recommended Due To Fatigue and Stretching When U-Bolt Was Originally Torque New Leaf Spring U-Bolts Are The Foundation Of Your Leaf Spring Install. High-Strength Grade 8 Steel Square-Neck Carriage Bolts Made from Grade 8 steel, these bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. Among these special fasteners included Jet Nuts, AN Washers, 12-Point Nuts, NAS Dimple Head Bolts, 100 Flat Head Phillips Screws, Truss Head Phillips, 1/4 Turn Fasteners and Titanium, Stainless & Chrome Bolts just to name a few. Robert. When the load is released, a high-grade bolt returns to its original length and remains elastic, whereas a lower-grade one may go plastic and be permanently extended. The higher the ISO numbers are, the stronger the bolt. Don't make the mistake thinking that a bolt is a bolt, because they aren't. GRADE 8 SQUARE U-BOLT KITS Leaf Spring U Bolt Kits For Heavy Trucks, Medium and Light Duty Trucks And Auto Applications. A grade 8 bolt is stronger than the more commonly used grade 5. Fasteners are made in the USA. Engine Cylinder Head Nut Washer Set. The bolts are typically made of a medium carbon alloy steel that is plated in zinc for extra resilience. Free shipping. A nut with a built in washer which is serrated to resist loosening. . Finish the repairs on your vehicle , machinery, or custom projects with the help of our custom u-bolts. Bolt Grade Grade 10.9 Grade 2 Grade 8 Grade 9 Grade 9.8 Hex Size (In) 3/16 Inch 5/16 Inch 3/8 Inch 7/16 Inch . We recommend using grade 8 nuts, flat washers and high . Acura, Alfa Romeo, AMC. Shop O'Reilly Auto Parts online. Never replace a graded bolt with a lower grade or lower strengthdo not substitute a stainless steel or silicon bronze bolt for a Grade 5 or 8 bolt, or a brass . Grade 8 bolts are made of a medium carbon alloy steel that is also quenched and tempered and are the most durable bolts you can purchase for automotive use. Meets IFI-111 (2002). Buy HEX BOLT GRADE 8 - RFD 960717D online from NAPA Auto Parts Stores. Automotive; Body Hardware Bodyshop Brake/Wheel Complementary Automotive Items Fleet/Truck Keys and Key Machines . With such a wide variety of products, you can find replacement hardware parts and automotive flange bolts for alternators, bumpers, auto body parts and panels, wheels and more. The 8.8 Metric Bolt is one of the standards adopted. GRADE 8 COARSE THREAD BOLT KIT Our Price: $139.95 . Grade 5 bolts have a proof strength of 600MPa, and Grade 8 has 840MPa. 7/8 Square U-Bolt Kits GRADE 8; 1" Square U-Bolt Kits GRADE 8; Leaf Springs - Light Duty & Medium Duty. View Details Price: Log . Needa Parts M6-1.0 X 16mm Flange Bolt 8 Piece Part # 006010 SKU # 848414 Free In-Store or Curbside Pick Up SELECT STORE Home Delivery Standard Delivery Est. > This same 21% of force, would have elongated and sheared the Grade 5 bolt. Frame bolts coarse thread are one piece hardened grade 8 strength bolts with a hex washer head. Shop automotive nuts and bolts at Auto Body Toolmart, including assortment kits with hex nuts, U-nuts, body, bumper and frame bolts plus universal options. Grade 8 bolts are great for tensile strength where pulling or compressing forces are applied, But are brittle under shearing forces. Fully threaded up to 2 1/2". Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. 5/16-18X3 Hex Flange Bolt Grade 8 Zinc Yellow. Grade 10.9 bolts: As these bolts are most often used in the automotive industry, they are also referred to as 'car bolts'. Bolts. Disco Automotive 5/8"-11 x 3-1/2" Grade 9 Frame Bolts. Grade 8 Hex Bolt Washer/Nut Assortment Yellow Zinc (508) Pcs. 303 $6476 Get it as soon as Mon, Jun 20 FREE Shipping by Amazon Small Business 1,250 Piece Grade 8 Coarse Thread Nut Bolt Hex Bolt Hex Head Cap Screw & Washer Assortment with Metal Drawer Grade G is pretty much equivalent to Grade 8. Differential Shaft Lock Bolt. Call us Toll-Free at 1-877-HITCH . . Grade 5 bolts have three evenly spaced radial lines on the head. Flange nuts serrated. This type of fastener is stronger and are used when a more demanding application is needed like in automotive suspensions. Sun: . Follow Us on Social Media Hours: 8am-5pm Est. Get deals on automotive parts, truck parts and more. One of the new bolts broke as he was going over a speed bump at less than walking speed. The BS 3692 Grade 8.8 Hex Bolt and others in the 8.8 grade come with different lengths ranging from 20mm to 100mm and different finishes. Bolts secure materials together by applying pressure that tightens the head of the bolt to the nut.
Before ARP and others, the stock grade 8 bolts were used back in the 60's and 70's. Tracy Blackford: Anaheim Hills, Ca. Only if applied for a long . Made from Grade 8 steel, these screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. 8mm Wrench Size. Pricing Options. 39" Max These are not second quality fasteners that were previously rejected or rescued from a scrap yard Grade: Grade 8 with lowest price and comfort guarantee. Grade 8 bolt.
ultimate shear strength. Proof load (max non-deformation): 120,000 psi (0 reviews) | 960-010D. Frame Bolts, Grade 8, Fine thread. The energy that can be absorbed in an impact is a function of the area under the curve. Meets IFI-111 (2002). for manufacturing of bolt, nuts and washers. Aren't grade 8 bolts with full thread a special bolt? Could be worse, could be me! A Grade 8 has a very high tensile strength . O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. They are then heat-treated to achieve a hardness of 33 to 39 on the Rockwell C . Zinc plated for moderate corrosion resistance. $54.99. The energy that can be absorbed in an impact is a function of the area under the curve. Hold one bar in a vise, and you can cut the 1/4 . So the better the grade of the bolt, the more load it will withstand while still remaining elastic. Grade 8 Nylon Insert Lock Nut Yellow Zinc - 5/16-24 (25pc) $3.83. SKU: #1200582. . The products are used in a variety of industrial applications ranging from . Both alignment shops that worked on the poster's car insisted on installing Grade 8 bolts in place of the perfectly good Grade 5 bolts that were installed. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. This is a metric grading similar to the SAE grade 8 classification, which is used in automotive, and structural industries, as well as in high temp applications. Zinc plated for moderate corrosion resistance. JIS B1189 Small Hex Flange Bolt, Grade 10.9, Alloy Steel, Zinc Finish, Coarse Thread, 10m. Choose a Store. The elongation of grade 8 is much less than that of grade 5. Materials that undergo less deformation before breaking are by definition more brittle. A grade 8 bolt is stronger than the more commonly used grade 5. 8 - Low Head - DIN 7984, 102 products available to order online (QFT6009046G,QFT6009075F,QFT6009076G,QFT6009139K,QFT6009045F,QFT6009099K,QFT6009156B,QFT6009160F,QFT6009026G,QFT6009081M) com offers 5,844 grade 8 bolts products Thousands of grade 8 bolt reviews, same day shipping A grade 8 is a grade 8 The greater the steel's tensile strength . Bolts vary in use depending on their shape, head type and size. Exhaust Flange Bolt Hardware. The number of lines on the bolt head is 2 less than the actual grade. Some bolts are not available in different strength grades while certain steel types are offered in SAE (Society of Automotive Engineers) Grade 2, 5 or 8; head markings identify grade. 16 $14590 ($41.45/100 Items) Get it as soon as Tue, May 10 Our U-bolts are Grade 5 and Grade 8, from 3/8" to 1 1/4". Pricing Options. Delivery July 07-08 Add TO CART Needa Parts M6-1.0 X 20mm Flange Bolt 7 Piece Part # 006020 SKU # 848415 Free In-Store or Curbside Pick Up SELECT STORE Home Delivery Standard Delivery Nuts, Bolts, Washers, Studs, Screws and much more. Materials that undergo less deformation before breaking are by definition more brittle. Read the rock crawler thread again. They are no less than 25% stronger than any other bolt when compared to medium-strength steel bolts. A metric bolt designated as ISO class 6.8 roughly corresponds in strength to an SAE Grade 2 bolt. Dorman Flanged Bolt - Grade 8 - 1/4 In.-20 X 1 In. The higher the grade, the stronger the bolt. One of the biggest mistakes in automotive work, is using the wrong kind of bolt. $19.98.
The diameter of the 8.8 Jh Bolt range from 20mm to 100mm. They fit with corresponding tapped holes and nuts to create bolted joints. Bolt Grade Grade 10.9 Grade 2 Grade 8 Grade 9 Grade 9.8 Hex Size (In) 3/16 Inch 5/16 Inch 3/8 Inch 7/16 Inch . ARP | The Official Web Site. PSA100-101 Assortment Refills; . SAE Grade 8, Metric 10.9 These bolts are the highest yield fasteners for carbon steel. NAPA Auto Parts Store Not Found. Grade 8 steel plain finish. Store Hours CLOSED Mon-Fri: Closed. Our selection of auto bolts for cars includes common bolts such as hex head flange bolts, carriage bolts, toggle bolts, phillips head machine screws and body bolts. Grade 8 Hex Flange Frame Bolts. Longer sizes may be plain finish. The number of lines on the bolt head is 2 less than the actual grade. We recommend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts / hex cap screws. Grade 8 bolts have the highest ratings with tensile strength of 150,000 psi. Please select store. Grade 8 Round Bend U-Bolt Kits Come With (2) U-Bolts, Deep Nuts And Thick Washers. Free shipping. A grade 8 bolt will have 6 radial lines on its head. NAPA Auto Parts Store Not Found. Non Serrated. The M20 Grade 8.8 Galvanised Bolts are dipped into the galvanizing solution and get a galvanized coating. Save on Bolts at Advance Auto Parts. Monday/Friday info@boltsandnuts.com Phone 440.606.6557 Customer Service Phone: 440.606.6557 In Stock 900 PC. Grade 8 Flange (Frame) Bolts & Nuts; Grade 9 Hex Head. Please select store.