grade 8 bolts automotive


7/8 Square U-Bolt Kits GRADE 8; 1" Square U-Bolt Kits GRADE 8; Leaf Springs - Light Duty & Medium Duty. Proof Load (psi) Yield Strength Min (psi) Tensile Strength Min (psi) Low or Medium Carbon Steel LowCarbon Steel 14 thru 4 One of the new bolts broke as he was going over a speed bump at less than walking speed. So, for example, a grade 5 bolt will only have 3 radial lines on its head.

Aren't grade 8 bolts with full thread a special bolt? One of the biggest mistakes in automotive work, is using the wrong kind of bolt. Zinc plated for moderate corrosion resistance. 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.. Frame Bolts, Grade 8, Coarse Thread. Cheers. High tensile Grade 8 bolt capability in tension (failure) = 150,000 lbs / in2 x .03349 in2 = 5024 lbs minimum.

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. ultimate shear strength. If you're concerned about shearing forces . 50 Pcs. 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. These high-strength bolts are typically used in standard temperature and pressure level . Frame Bolts, Grade 8, Coarse Thread. tensile strength is 150,000 lbs per square inch. These bolts are sometimes called Frame bolts. Reserve Online Participant NAPA Rewards. We recommend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts / hex cap screws. RE: Grade 8 Bolt Marking Symbol. 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. Only if applied for a long . NAPA Auto Parts Store Not Found. There are many that do not understand bolts by grade and torque specifications. Free shipping. Zinc plated grade 5 steel. 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. Leaf Spring U Bolt Kits For Heavy Trucks, Medium and Light Duty Trucks And Auto Applications. They feature 6 radial lines on the head and are made from medium carbon alloy steel which has been quenched and tempered. Our U-bolts are Grade 5 and Grade 8, from 3/8" to 1 1/4". 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. Zinc plated for moderate corrosion resistance. 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. 25 pcs CrownBolt 88590 Hex Bolts Cap Screws 1/2"-13 x 3-1/2" Coarse Grade 8 Zinc. 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! Robert. In Stock 900 PC. Pricing Options. Grade 8 bolts have 6 evenly spaced radial lines on the head. 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 . A grade 8 bolt is stronger than the more commonly used grade 5. The energy that can be absorbed in an impact is a function of the area under the curve. Longer sizes may be plain finish. Read the rock crawler thread again. Materials that undergo less deformation before breaking are by definition more brittle. Refer to the charts to find the ideal tightening torque. . Please select store. The specification for this material grade fasteners is the ASTM A324. Free shipping. 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. Have often heard "Grade 8 bolts are too brittle, don't use them on automotive projects". In Stock Zinc II plated yellow. Item# FB871. Sun: . So, for example, a grade 5 bolt will only have 3 radial lines on its head.

All automotive manufacturers use grade 8 or higher nuts and bolts on their vehicles. 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". . Buy HEX BOLT GRADE 8 - RFD 960717D online from NAPA Auto Parts Stores. Grade 8 Hex Flange Frame Bolts. Follow Us on Social Media Hours: 8am-5pm Est. Pricing Options. Flange nuts serrated. Home. They are at least 25% stronger than medium-strength steel screws. Grade 8 bolts are great for tensile strength where pulling or compressing forces are applied, But are brittle under shearing forces. SAE Grade 8, Metric 10.9 These bolts are the highest yield fasteners for carbon steel. Grade 8 Hex Bolts Cap Screws, Nuts & Washers Assortment Kit - 380 Pieces! ; Grade 8 Square Bend U-Bolt Kits Come With (2) U-Bolts, Deep Nuts And Thick Washers. 5 x 16mm Class 8.8 Cap Screw. Store Hours CLOSED Mon-Fri: Closed. Bolts. Choose a Store. Add a vehicle. > This same 21% of force, would have elongated and sheared the Grade 5 bolt. Re-use Of Original/Used Spring U-Bolts Is Not Recommended Due To Fatigue and Stretching When U-Bolt Was Originally Torqued. Re-use Of Original/Used Spring U-Bolts Is Not Recommended Due To Fatigue and Stretching When U-Bolt Was Originally Torqued. All American and/or World follow the specs. Grade 8 Hex Bolt Washer/Nut Assortment Yellow Zinc (508) Pcs. Frame Bolts, Grade 8, Fine thread. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications. Made in the USA. Proof load (max non-deformation): 120,000 psi Frame bolts coarse thread are one piece hardened grade 8 strength bolts with a hex washer head. ***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 steel plain finish. SKU: #1200582. Part Number: 831024NY. Grade 8 is much better for suspension, period! 430 HP@6500. Grade 8 bolts are specified for high strength applications and are commonly used in heavy manufacturing, such as tractor and truck fabrication for instance. 5/16-18X3 Hex Flange Bolt Grade 8 Phos&Oil. Hold one bar in a vise, and you can cut the 1/4 .

Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. Save on Bolts at Advance Auto Parts. Fasteners are made in the USA. 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. Sun: .

Get deals on automotive parts, truck parts and more. Grade 8 bolts are medium carbon alloy steel, quenched and tempered at a minimum temperature of 800 degrees Fahrenheit.

or Best Offer. 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 . IRstuff (Aerospace) 26 Mar 07 22:16. They fit with corresponding tapped holes and nuts to create bolted joints.

(hopefully). They can come with different finishes as well. Zinc plated grade 8 steel yellow. A tempered medium carbon steel. 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. Oil Filters Air Filters Cabin . They can be identified by the five radial lines on the head of the bolt and are usually (but not necessarily) gold in color. GRADE 8 SQUARE U-BOLT KITS Leaf Spring U Bolt Kits For Heavy Trucks, Medium and Light Duty Trucks And Auto Applications. Shop O'Reilly Auto Parts online. 7mm Wrench Size. Disco Automotive 8mm Short Fold Clip 'U' Extruded Nut. 50 Pcs. They come ready for supporting your pipework, machinery, etc. Class 10.9 Hex Flange Bolts Zinc Plate; 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.

Grade 8 hex bolts have 6 marks on the head. $113.96. They are no less than 25% stronger than any other bolt when compared to medium-strength steel bolts. Tech. (Pack of 25) Item#: 28681. ARP likely sells them. Carriage bolts have a smooth, rounded head for a finished look. Now, the front end is making groaning and popping noises. Monday/Friday info@boltsandnuts.com Phone 440.606.6557 Customer Service Phone: 440.606.6557 Home; Shop All. Made from Grade 8 steel, these screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. View Profile View Forum Posts 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! The energy that can be absorbed in an impact is a function of the area under the curve. Please note the bolt heads may also include the manufacturer's identification stamp, especially with high strength bolts.

Just remember that all hardware should be re-torqued depending on application and usage. ASTM A354 BD is used for structural bolts, while SAE J429 Grade 8 is an automotive specification. The symbol is for ISO tracking. Grade 8 Round Bend U-Bolt Kits Come With (2) U-Bolts, Deep Nuts And Thick Washers. In actual fact, Grade 5 bolts are often preferred over Grade 8 . High-Strength Grade 8 Steel Flanged Hex Head Screws. 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. Grade 8 steel plain finish. We stock grade 8, grade 9 and grade 5 fasteners. USS (Coarse Thread) SAE (Fine Thread) JIS (Japanese) Metric.

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. GRADE 8 COARSE THREAD BOLT KIT Our Price: $139.95 . The M20 Grade 8.8 Galvanised Bolts are dipped into the galvanizing solution and get a galvanized coating.

Grade 8 bolts have six evenly spaced radial lines on the bolt head. A hexagonal head for use with a wrench. The higher the ISO numbers are, the stronger the bolt. $54.99. 5 x 10mm Class 8.8 Cap Screw. 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. Grade 5 bolts are great for shearing forces, but are lousy under pulling or compressing forces because they can stretch or compress. View Details Price: Log . 5000 Piece Grade 8 COARSE Thread Bolt Assortment.

The Auto Bolt Company has 70 years of experience manufacturing fasteners and bolts for a variety of industries including the Military, Automotive and OEM. Grade 8 Hex Bolts Cap Screws, Nuts & Washers Assortment Kit - 380 Pieces! 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. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. Sat: Closed. There could be zinc plated, hot dip galvanized or plain types of bolts.

$16 . . > This same 21% of force, would have elongated and sheared the Grade 5 bolt.

An ISO Class 10.9 bolt roughly corresponds to an SAE Grade 8 . Felt Washer. Meets IFI-111 (2002). A tempered medium carbon steel. A grade 8 bolt will have 6 radial lines on its head. Higher Number Means Stronger. So the better the grade of the bolt, the more load it will withstand while still remaining elastic. PSA100-101 Assortment Refills; . SKU: #1810975. $19.98. 22,675 products. tensile strength is 150,000 lbs per square inch ultimate shear strength Grade 5 bolt (0 reviews) | 960-010D. Only if applied for a long . Tester August 7, 2012, 5:56am #2. Brake Hose Bolt Washer. 16 $14590 ($41.45/100 Items) Get it as soon as Tue, May 10 A grade 8 bolt will have 6 radial lines on its head. Grade 8 Flange (Frame) Bolts & Nuts; Grade 9 Hex Head. Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. The zinc plated, hot dip galvanized and plain finishes are available for different application needs. 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. Its strength is near the high end of the grade scale, although there are higher grades and strengths for more specialized fasteners. Bolts vary in use depending on their shape, head type and size. Grade 8 Nylon Insert Lock Nut Yellow Zinc - 5/16-24 (25pc) $3.83. . It is made of alloy steel and has six radial lines on the top of the bolt head. Fasteners are made in the USA. Brake Bleeder Screw Set. Closest store could not be determined, 94601 Get Directions. Pricing Options. The number of lines on the bolt head is 2 less than the actual grade. Chevy/GMC Truck Leaf Springs. Price: Starting at $0.37. Exhaust Flange Bolt Hardware. 3/8-16X5/8 Hex Flange Bolt Grade 8 Phos&Oil. Free shipping. Meets IFI-111 (2002). Grade 8 bolts have the highest ratings with tensile strength of 150,000 psi. 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;