what grade bolt for automotive suspension

myautopartswholesale is a division of a long established Distributor of Auto Parts (Established in 1970) HUGE Inventory-45,000 square foot warehouse. For instance, installing a longer bolt may place too few threads in the grip … Plow bolts. Grade 1 - SAE J429. $60.00 $ 60. The top plate shape must mate with the shape of the U-bolt; do not use improperly shaped U-bolts or U-bolts produced on worn dies which may alter the intended top shape of the U-bolt. "For a given load, any steel bolt (grade 8 and grade 5 or grade anything) will stretch the same amount, up to its yield strength (also known as its elastic limit). That’s close to the tensile strength rating of a Grade 5 bolt. The first number, the … It is stable up to 370-degrees and often used for CV joints. Todays High Tech or 50 years ago Low Tech. Dorman HELP! Metric bolts use their own numbering … Thread Size: 7/16-20 Inch. Are they grade 2 or 5 or 8? Our metric grade 10.9 bolts meet ASTM A324 grade BD and SAE J429, grade 8 standards. Go. Price. A Grade 8 bolt combined with a Grade 5 nut is Grade 5. Leaf Springs and Suspension specialists selling Truck Suspension parts, car suspension parts, coil and leaf springs, U-Bolts. Thread Size: 7/16-20 Inch. Generally, the price of high … Cooling & Heating. New Posts; Member List; Mark All As Read; Forum; Technical; Suspension, Brakes and Handling; If this is your first visit, be sure to check out the FAQ by clicking the link above. Electronics & Navigation. U-BOLT KITS SUPERIOR AUTOMOTIVE • 4500 Malone Road • Memphis, TN 38118 • 1-800-545-9882 • 901-758-9999 ... Increases or decreases suspension height on most leaf spring … Ebikemotion X35+ with 250wh battery. Grade 8.8 is generally the minimum bolt spec … Head markings on stainless steel bolts do not indicate the tensile strength. However, in stock form one of the shear … All my suspension bolts are grade 8,, With Stover type lock nuts, I do NOT use Nylon lock nuts. Made to Japanese Industrial Standards, these Class 10. Since your bolts are imperial you'll need grade 5 or 8. Grade 8 bolts are more 'brittle'. Higher Number Means Stronger. U-Bolt Kit for Mounting 3,500-lb, Round Trailer Axles - 5-1/2inch Long U-Bolts - APUBR-1 ... What is … want AND do build a car as cheap as possible. U-bolts 9/16" diameter and less are made from 1541 Grade 5 Material. American Automotive u bolts are manufactured for maximum clamp. But, "brittle" is relative. $57.51. 5 4 & Up 3 & Up 2 & Up 1 & Up 0. Sway Bar Link Bolt; ... Crown Automotive Sway Bar Link Bolt Reviews. Each grade has a specific bolt strength. Part #: 03762. Generally speaking, bolts under 180 ksi (180,000 lbs per sq. Bolt specifications can get really involved. "Just ASK Bob" Hours: Mon-Fri … So, relatively speaking, neither Grade 5 or Grade 8 bolts are considered brittle. inch) tensile strength are not considered brittle. I went to ace hardware and matched up the caliper mounting bolts for my evo brembos (yes I was unlucky enough not to get in on def's gb...): … … JIS High-Strength Steel Flanged Hex Head Screws. These custom axle u-bolts can be shipped anywhere by UPS. Shimano GRX400 2x10 drivetrain. For instance, for high-stress locations, such as suspension, brake and steering components, I only use grade 8-spec bolts. Remove the load, and it "unstretches" back to its original length, i.e. They pass through the brackets on the frame and the control arm bushings to allow the control arm to move up and down. You will find the charicteristic six hash marks indicating grade 8 on nearly everything even specialty hardware like upper control arm attachement bolts. This means … Material: Steel. Click & Collect Check stock in other stores. Part Numbers. Save on Bolts at Advance Auto Parts. Creates its own thread when it penetrates wood and other soft material. Shop Popular Brands. Trivia: I have Stainless Steel Muffler clamps & Hangers on my 70 Showcar. 7/16-20 Inch Spring Center Bolt. In applications such as suspensions, a very high … When used with a Grade-G lock nut, the frame bolt system resists bolt slippage by distributing the clamp load over a wide area. ... SAE grade 5 steel 18-1220A (4 Sets Per Clamshell) My obvious choices are "real" grade 8 or grade 5 … The strength grade head stampings on metric bolts, from weakest to strongest are 4.6, 4.8, 5.6, 6.6, 6.8, 8.8, 10.9, 12.9, and 14.9. Lithium greas e is made from lithium soap, which is the salt from fatty acids, it is a non-detergent soap that yields a stable, non-corrosive grease. Grade 8 is 150 KSI, and Metric 12.9 is 177 KSI. ☆☆☆☆☆. The nut should be marked "8" meaning it is property class 8, and suitable for a grade 8.8 bolt. Are they grade 2 or 5 or 8? Ideal solution to keep your vehicle in top shape Crafted from premium-grade materials and the latest technology. to. Whether you have an older Chrysler vehicle or the latest model, keep it looking and running at its best with Chrysler OE parts. 10-26-2010, 06:41 AM. Line: MTM. The material from which they are made is different, grade 5 being medium carbon steel and grade 8 … If you use a grade 10.9 bolt, the nut should be marked "10". Only 17 left in stock (more on the way). 10.8 is equivalent in strength to grade 8. Nov 8, 2012. grade 8 is used on steering and suspension components due to their strength, however they are just as weak as they are strong (theyre brittle). Tools, Fluids & Garage ... Dorman Flanged Bolt - Grade 8 - 1/4 In.-20 X 1 In. "For a given load, any steel bolt (grade 8 and grade 5 or grade anything) will stretch the same amount, up to its yield strength (also known as its elastic limit). Apr 14, 2015. grade 8 fine thread 9/16", length depends on where you are using it. From front suspension components to rear suspension kits, our suspension kit products will help ensure that your vehicle's suspension is optimally smooth. Nov 8, 2012. grade 8 is used on steering and suspension components due to their strength, however they are just as weak as they are … Rear Suspension Trailing Arm Bolt (MB844521) by Chrysler OE. Never use for engine components, such as Rod, head, flywheel, or anything requiring ASTM Gr. AN bolts on the suspension Grade 5 in shear application Grade 8 in tension aplication is a good rule of thumb. Grade … Buy online, pick up in-store in 30 minutes. Steering & Suspension. Grade 8.8 bolts: Also known as structural grade bolts, they are typically made of steel and plated with several coatings. Helper springs, Hangers and Shackles,Air Lift Conversion Spring Kits. They are at least 25% stronger than medium-strength steel screws. So the better the grade of the bolt, the more load it will withstand while still remaining elastic. In actual fact, Grade 5 bolts are often preferred over Grade 8 . Rough Country offers suspension leveling kits for a wide variety of trucks, designed to be a complete bolt-on solution. Money Back. ... #108,713 in Automotive (See Top 100 in Automotive) #9 in Automotive Replacement Chassis Cam Bolts & Parts: Online shopping for Automotive from a great selection of Body & Suspension Lift Kits, Steering Knuckles, Hardware & Brackets, I-Beam Parts, Trailing Arms & more at everyday low prices. When … If it doesn't have … 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. This from the September 2011 Goodguys Gazette,. written by Brent Vandervort. In actual fact, Grade 5 bolts are often preferred over Grade 8 . Also found in general hardware use. Ubolts 5/8" diameter and greater are made from Grade 8 material. Got it! there will be … Line: MTM. This white general purpose grease is commonly used in household applications for door hinges, drawer slides, etc. Engines & Ignition. A metric bolt designated as ISO class 6.8 roughly corresponds in strength to an SAE Grade 2 bolt. To determine the strength characteristics of a replacement metric bolt, you have to look on its head. Grade 5 bolts have a proof strength of 600MPa, and Grade 8 has 840MPa. Oct 8, 2016 at 10:04am. 7/16-20 Inch Spring Center Bolt. Car Wagon SUV/Jeep Minivan Truck RV/Camper. There are several grades of bolts but the three common grades for SAE are 2, 5 and 8. I try to take advantage of the factory research when replacing bolts and such. Home » Jeep Lift Kits & Suspension ... Other Details: Grade 10.9 ; Locate and See Related Parts : Installation Notes. The common class (grades) for metric are 5.8, 8.8, 10.9 and 12.9. always use nylock, or even better, distorted thread locknuts. (0) Select a store to see pricing & availability. Connect heavy materials that are bearing extreme loads. Thread Size: 9/16-12 Inch. Installation Difficulty: Level 3 Advanced. Car Suspension Parts. My bolts are definately stamped '8.8' which is class 8.8 Metric grading...if it had 6 lines/marks on the head it'd be SAE Grade 8 which i agree is closer to 10.9 but you don't get … 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. Parts Included. A 3/8" proof coil chain is rated to about 2600# working load limit. For A-arm's the bolt is used in double shear. What bolt grade are your u bolts in the kit indicated below? They are made of boron or carbon steel and have high tensile strength (1040 MPa). For a 200 lb person a single Grade 5 … For example A2-70 head mark stainless steel bolts are best for Non-active automotive use. 8 or Gr. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table. (0) Select a store to see pricing & availability. Bolts, Screws and Studs. Grade 5 bolts are set apart with 3 raised marks on their heads. These kits … Machine bolts. Bolt Grade Markings. You can use a higher grade nut, but never lower, than the bolt. Select a store to see pricing & availability. Save on Bolts at Advance Auto Parts. They’re stronger than grade 2 bolts and can withstand about 100,000 … You … In Stock Free delivery for orders above £25*. Delivery Available. What you are looking for is an 8.8 or a 10.9 (Photo 10). you are in NY, so I am guessing you dont have a local Tractor Supply. Bolt Grade Markings and Strength Chart. Remove … An unmarked bolt is a Grade 2, whereas a bolt with three radial lines on the head is a Grade 5. $6.02. ☆☆☆☆☆. Featuring high strength and a better fit than the fully threaded original equipment bolts that come in your JL, the NORJLGR8-1 bolt kit takes the guesswork out of upgrading your suspension bolts. What you are looking for is an 8.8 or a 10.9 (Photo 10). AFT offers frame bolts in both metric and SAE sizes and in a variety of grades including Grade-5, Grade-8, Grade-9, Class 8.8, and Class 10.9. Go with what fits! Check the head of the original bolt, there should be six radial lines from the center of the head going out. All fasteners have a place in this world. I replace with the same grade whenever possible. If you're replacing the control arm bushings and bolts you'll need 6 per side...3 arms … Grade 5 would be adequate for your needs, its the equivalent of a metric … With the MAHLE ebikemotion X35 drive system and the Grade's floating seat stays you'll have all day comfort and confidence for whatever comes your way. Darin L. 6/17/2022. The flange eliminates the need for a washer. This is your average hardware bolt. Non-active means not used on suspension and drive line components. For some highly loaded applications, a 25% stronger fastener may be important. The yield strength of the bolts is 940 and the tensile strength is 1040 MPa. We Supply Round UBolts, Square UBolts And Semi-Round U Bolt Kits Complete. Grade 8 bolts are usually found in critical fastening applications, such as suspension parts, cylinder head bolts and flywheel bolts. U-bolts have a sufficient amount of rolled threads on each leg. Tensile strength of suspension bolts. FREE Shipping. Part #: 03762. What bolt grade are your u bolts in the kit indicated below? Control arm bolts attach your control arm to the chassis of your vehicle. Bolt use is based on the application. To many reasons to list. U-BOLT KITS SUPERIOR AUTOMOTIVE • 4500 Malone Road • Memphis, TN 38118 • 1-800-545-9882 • 901-758-9999 ... Increases or decreases suspension height on most leaf spring applications. A Grade 8 has a very high tensile strength, but can be brittle. Mopar® Shock Absorber Mounting Bolt … ... Chrome Car Battery Mounts; Bolts & Fasteners; Brake System Components; Differential Covers; ... Ford Performance Caster and Camber Eccentric Bolt Kit. ... Raybestos 616-1037 Professional Grade Wheel Alignment Camber Bolt Kit. How Suspension Bolts Work. Got it! A4 PSAB10 Bolt & Nut For Arm Bushes M10 Nyloc M10 x 100mm Hexagon EACH A6 PSAB10 … Complete Lower Control Arm Hardware Kit 12.9 Grade Bolts For 2003-2009 Dodge Ram 2500 3500 4x4. … Tightening suspension bolts: Lachlan: Brakes, Steering & Suspension: 3: 09-07-2005 03:50 AM: Impact Gun for Suspension Bolts: Soon2BturbodRS: Brakes, Steering & … English bolts (U.S.S. or S.A.E) are categorized by grade, from grade 2 to grade 8, where the grade represents inch strength. The higher the grade, the stronger the bolt. English bolts have radial lines on their head to identify the grade, or strength class. US Bolts: Head Marking Grade and Material Nominal Size Range (inches) Mechanical Properties ; Proof Load (psi) ... Grade A325 … For a 200 lb person a single Grade 5 would take 73g's and our load is distributed amongst 3 or more. Grade 10.9 bolts: As these bolts are most often used in the automotive industry, they are also referred to as ‘car bolts’. Dawg is right, grade 8 can be deceiving in terms of strength,it depends on application.Most grade 8 stuff is in static applications,front end hardware takes alot of "banging" and goes through huge temperature variations sometimes in a short period of time..like running through water on a 100 degree day,and temperature adds another dynamic to the durability of … Based on the novel by Georges Arnaud, "Wages of Fear" will make you think twice about how cushioned your ride is. Made from medium carbon alloy steel, these … #1 Home Improvement Retailer. Grade BB Bolts, Studs Alloy Steel, Quenched and Tempered 1⁄4 thru 2 ½ 2 ¾ thru 4 80,000 75,000 83,000 78,000 105,000 100,000 ASTM A354 Grade BC Bolts, Studs Alloy Steel, Quenched and Tempered 1⁄4 thru 2 ½ 2 ¾ thru 4 105,000 95,000 109,000 99,000 125,000 115,000 ASTM J429 Grade 7 Bolts and Screws Medium‐ Carbon Alloy Steel, Audi. For the 1/2" bolts used for the belts in our cars a Grade 5 would be good for 14730 lbs and a Grade 8 would be good for 17870 lbs in shear. Equal torque may produce different results, on bolts with a different grade. From the gravel explorer to the daily commuter, the Grade Bolt is for riders seeking the fastest route to their next adventure. Aug 20, 2001. Leaf Spring U-Bolts Are Available From Grade 5 UBolts To Grade 8 U Bolts. A single 7/16-14 grade 5 bolt will support about 6900# at 75% yield strength, a 3/8-16 grade 5 bolt will lift … Lithium Grease. MakePearl Description Nut Bolt Bolt Head Pack Qty. To determine the strength characteristics of a replacement metric bolt, you have to look on its head. $0 - $10 (4) $10 - $20 (5) $40 - $50 (1) Review Rating. The higher the ISO numbers are, the stronger the bolt. Get it Thursday, Jul 7 - Tuesday, Jul 12. @colnerov. Print this page . I use to build road race cars and the Caroll Smith Book is a … Manufactured to strict quality and safety standards using high-grade materials, these are the parts that Chrysler stands behind. That’s right, replace the OE suspension bolts in your Jeep JL/JLU with the new Northridge4x4 JL Grade 8 Bolt Kits (pn# NORJLGR8-1). They provide outstanding performance and dependability, … 9 steel screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. Grade 5 bolts are rated at 120 ksi and Grade 8's at 150 ksi. A bolt head with three raised dashes in a radial pattern marks an SAE grade 5 bolt of tempered medium carbon steel with a tensile strength of at least 105,000 pounds per square inch. Suspension Arm Bolts & Nuts. Buy online, pick up in-store in 30 minutes. Also available are complete line of suspension accessories and Mack and Hendrickson Suspension Parts. colnerov. The difference in bolt grade is that its manufacturing materials are different, and the prices of different materials in the market are also different. 00. The first number, the 8, for example, indicates that this bolt has a tensile strength of 116k PSI. The nut material will actually be softer. Rough Country Suspension Leveling Kits. Bolt Grade. In the classic 1953 French … An example is substituting grade-eight bolts, for the grade-two, in an oil pan. An Alpine has lots of welded-on nuts and I don't know what Grade they are. As I work to replace my rear suspension on my 86 Comanche, I have to replace at least some of the spring mounting bolts. Auto Mfg. For that reason the Grade 8 Spring Eye Bolts, Grade 8 Shackle Bolts are much stronger (tensile strength) when torquing. left – zinc carriage bolt, zinc standard bolt, Grade 5 bolt, Grade 8 bolt Used in automotive applications and for bolting large and forged parts, metric 10.9 bolts exhibit high tensile strength and good wear resistance. Carriage bolts have a smooth, rounded head for a finished look. Grade of a bolt is easily determined by the … Nuts & Bolts 4mm x 20mm Product Code: BAR372. Please choose a rating. Grade 8 is SAE, 8.8 is metric. … (used on Leaf Spring Installs.) DON'T SETTLE FOR ANYTHING LESS! Spring Eye Bolts, Grade 8, Should Be The ONLY Spring Eye Bolt/Shackle Bolt used due to the increased strength and torqueing ability needed when installing your Leaf Spring Suspension. £0.89. Low … Low or medium carbon steel : 1/4" - 1-1/2" 33,000: 60,000: 36,000: B70 / B100: Grade 2 - SAE J429. The square neck keeps these bolts from turning when tightening a nut. Grade 10.8 is a metric bolt high tensile grade. ATS offers Grade 8 Suspension Parts. Buy Fits a Cherokee XJ Rear Suspension Lift U Bolts 4PCS 6.5" 8.25 Axle 3" Inch ... Cherokee XJ Rear Suspension Lift U Bolts . so when they go to bend, they snap in half instead. High-Strength Grade 8 SteelSquare-Neck Carriage Bolts. Most of the kits are manufactured from 6061-T6 aircraft-grade aluminum billet, with heat-treated and hardened 10.9 grade pre-installed bolts. Made from Grade 8 steel, these bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. "Just ASK Bob" Hours: Mon … The most common grading system used for bolts in the U.S. is the SAE system, but you can find metric grading systems as well. Grade 5 bolts are identified with 3 equally spaced radial lines on the head. Hi, The likely tensile strength of the bolt is as you say grade 8.8 but your load on the … Installation Time: 2-3 hours. Dorman 521-954 Suspension Control Arm Compatible with Select Dodge Models. 1. Fastens wood to wood, wood to metal and metal to metal. Bolts, Screws and Studs . Pelican Parts Forums > Porsche Forums > Porsche 911 Technical Forum: Suspension bolt - Grade 5. Dorman HELP! . Square heads paired with a semi-cone point and a fully threaded shaft. Get free shipping on qualified Suspension Control Arm Bolt Car Suspension Parts products or Buy Online Pick Up in Store today in the Automotive Department. Since many automotive bolts need to be able to withstand a lot of stress, they are often … For the 1/2" bolts used for the belts in our cars a Grade 5 would be good for 14730 lbs and a Grade 8 would be good for 17870 lbs in shear. 5 fasteners. Automotive engineers size bolts, to provide adequate stretch and substituting a different length can cause problems. grab a tape measure and that is easy enough to figure out.

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