A Grade 8 hex bolt has a greater tensile strength than a Grade 5 and Grade 2 hex bolt. Loading Capacities of Ordinary Bolts per. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications. Done. Zinc plated grade 8 steel yellow. Grade 8 bolts have 6 marks on the head. US Bolts: Head Marking Grade and Material Nominal Size Range (inches) Mechanical Properties ; Proof Load (psi) Min. For instance, the Class 8.8 Bolts have an increased hardness, ductility, yield strength, and impact resistance. Hex bolts are hexagonal head fasteners with Hex bolts are hexagonal head fasteners with machine threads. Yield Strength (psi / MPa) Min. Grade 8 bolts have 6 evenly spaced radial lines. This Hex Bolt is Grade A A307. 11 sold (Qty 25) 3/8-16 x 6" Hex Bolt Zinc Plated Grade 8 Cap Screw Partial Thread. Shear strength must be calculated, because the American Society for Testing and Materials does not require shear strength values to be published. Secure with a corresponding nut or use in a tapped (threaded) hole. 3/8"-16 Carriage Bolts. As far as we can tell, SAE Grades apply only to bolts at least 1/4″ in diameter. Heat treating the En 15048 Grade 8.8 leads to a change in the mechanical fasteners. Add both to Cart Add both to List. Tensile Area mm 2. 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. All grade 8 bolts have the same tensile strength per square inch. Uncoated. Fasteners and Fixings Bolts . Search within results Sort By Top Sellers. View More View All Sort & Filter. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. However, as highlighted below, there are a few issues that must be considered when using higher strength bolting products: The ductility of a bolt decreases as the hardness and strength increases. Metric bolt grades and strength calculator to show proof strength, tensile strength, Vickers / Brinell hardness, minimum breaking torque and stress area of metric bolts and screws made of carbon steel and alloy steel with designations 4.6, 4.8, 5.8, 8.8, 9.8, 10.9 and 12.9. Cap screws and hex bolts have heads designed for tightening to exact specifications with ratchets or spanner torque wrenches. 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. Inventory Management. Purchased products. Part Numbers 48848 and 816708, Cap Screw Gr5 3/8-16x1-1/2SAE Zp, 1 pc per bag, or Part Numbers 802330 and 88090, 3/8 in. Home / 11 Inch Grade 8 Bolt. 7/8"-9 X 3" Grade 8 Yellow Zinc Hex Cap Screws. We recommend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts / hex cap screws. Allen head bolts can easily be identified as they require the use of an allen wrench. Fully threaded sizes provide excellent grip strength. Engineering ANSI Hardware Design Data Engineering Metric Hardware Design Data Structural Stress Deflection Calculators, Equations . Bolts secure material by applying pressure from the head of the bolt. Your Price: $11.16 Qty. Tension Capacity Pt @ 281 N/mm 2. 1,385 products. They are commonly used for machinery and construction projects, both residential and commercial. S355 3/8-16 Grade 5 Serrated Hex Flange Bolts Zinc Plated (All Sizes & Qty's) 3/8" $26.39. Non-preloaded Ordinary Bolts. As complex mechanically-engineered hardware, hex bolts are given grades as a way to determine their level of strength. Tensile Strength (psi / MPa) US Bolts No Markings Grade 2 Low or medium carbon steel 1/4 thru 3/4 Eg. In addition to tensile strength, other mechanical factors in a connection should be considered, including yield strength and proper assembly of the parts. Free shipping. Related: Method and Equations of Analysis BS449: Part 2. Zinc plated for moderate corrosion resistance. Bolt Grade Markings and Strength Chart Mechanical Properties Head Marking Grade and Material Nominal Size Range (inch / mm) Proof Load (psi / MPa) Min. They are designed for use in high stress applications. Yield Strength (psi) Min. is 2.0 no maximum value While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. question, i am going to remove my diesel engine which weighs 800lbs and bolt it to an engine stand. 8.8 Gr.10.9, Gr.12.9 ASTM A325,A490 Heavy Hex Bolt. The tensile strength of a grade 8 bolt is 150,000 pounds per square inch. shear strength Shear strength in reference to soil is a term used to describe the maximum strength of soil at which point significant plastic deformation or yielding occurs due to an applied shear stress. 5/16 Hole. A tempered medium carbon steel. The length of a hex bolt is determined by measuring from under the head of the bolt to the base of the threads. BS 5950-1: 2000 BS 4190: 2001 . Grade 8 Bolt Shear Strength. Used in low strength applications. Depending on various factors, the strength will vary greatly. Second, the different grades have a meaning to them. 3/8 X 1/2. MSC #: 66664384. They are designed to be used in drilled and tapped holes. i have searched the internet for 2 days to figure out the following, but with no luck. Grade 8 bolts have the highest ratings with tensile strength of 150,000 psi. Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. A tempered medium carbon steel. Compared to a Grade 5 bolt, a Grade 8, Socket Head Cap Screw or Grade 9 bolt would increase the bolt strength roughly 25-50%. Grade 8 steel plain finish. A standard six sided nut. 1034 Mpa. Hex Head 3/4-10 x 5" Grade 8 Bolts Yellow Zinc Cap Screw (Free Shipping!) 2.0- min. High Tensile, UNF Grade 8 Bolts. View Product Details . Grade 8 bolts have a tensile strength of 150,000 PSI. Sign In to view purchased products. Hide Details. $21.99. M16. tensile strength is 150,000 lbs per square inch ultimate shear strength 172 products. GRADE 8 Medium Carbon Alloy Steel, Quenched and Tempered. Add to Cart. A low carbon steel for general use. Engineering ISO Metric Hardware Design Data Engineering ANSI Hardware Design Data. 5/16 X 3/8. The A325 and A490 specifications are not intended for general applications, including anchor bolts. A bolt with a six sided head. x 1-1/2 in. $23.42. Site Search Product Search. Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. Grainger's got your back. Tap bolts are similar to hex bolts except they are fully threaded no matter what their length. It is important to know what type of bolt grade to use by deciding how much strength is required for the job it is meant to hold. Consequently, they are typically very short. 6 RADIAL LINES : GRADE 8.2. The strongest commercial-quality bolt is grade 8, marked by six raised dashes; its medium-carbon alloy steel has been quenched and tempered to achieve a tensile strength of 150,000 psi. Grade 8.8 Bolt Loading Capacities Table. Zinc plated for moderate corrosion resistance. Partially threaded sizes help where shear resistance is important. Industry standard allen heads have a tensile strength of 160,000 PSI. FAST 'N FREE. There are different types of strengths listed for each grade. PROPERTIES OF GRADE 8.8 BOLT & NUT (ISO) BOLT SIZE PITCH STRESS AREA MM2 BOLT/STUD/SCREW ISO 898-1 Gr.8.8 NUT ISO 898-2 … 1/4 thru 1-1/2: 120,000: 130,000: 150,000 psi. High Tensile B7S Coil Rod or B8S UNC Threaded Bar. BS449: Part 2 Bolt Grade 8.8. mm. Grade 8 bolt. It is made of alloy steel and has six radial lines on the top of the bolt head. Grade 8.8 Bolts per. High-Strength Gr. The hardness of the medium carbon steel Metric Grade 8.8 can be increased by heat treating them. Grade 8.8 bolt strength Thread starter bruca003; Start date Oct 29, 2011; Oct 29, 2011 #1 bruca003. Thus, the larger the bolt, the stronger the tensile strength of the bolt. If you need a grade 5 bolt, we would recommend the following. Heavy Duty Nut & Bolt Assortment Kit, 172 Pieces, Includes 9 Most Common Sizes $21.98 (692) Frequently bought together + Total price: $26.80. Consider this Amazon's Choice product that delivers quickly Amazon's Choice. 1/4 thru 1-1/2: 120,000: 130,000: 150,000 psi. Tensile strength is the maximum load in tension (stretching) that a part can carry without breaking. Dia. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. Heavy hex structural bolts are designed for steel-to-steel structural connections. Yellow Zinc offers a modest amount of corrosion resistance, slightly higher than clear Zinc. Carriage bolts can be used with wood, metal, or concrete to build strong structures such as wooden decks. Please refer Original standards for details. FAST 'N FREE . Medium Carbon Alloy Steel, Quenched and Tempered. There are many types of rods; for example, they can be had in the same numbered strength grades as bolts, and in various materials such as brass, stainless steel, fiberglas, and so on. -0.8 max is 0.8 no minimum value Eg. See also; Metric hex bolts . Corrosion Resistant. Searching for 3/8"-16 Flange Bolts? 3/8"-16 Bolts. Zinc plated grade 8 steel yellow. Bolt Grade Markings and Strength Chart. They are commonly used in ready-to-assemble furniture. Minimum Tensile Strength of 150,000 PSI 3/8-16 USS Coarse Thread Yellow Chromate Zinc Coating 25 Pieces › See more product details. Metric Grades The strength grade of a metric bolt, known as its property class, consists of two numbers separated by a dot. Any unmarked machine screws smaller than that are probably Grade 2; we show the higher Grades for reference only on those sizes. Alloy steel socket head cap screws will most likely have a greater strength than SAE Grade 8 unless their manufacturer says otherwise. 11 Inch Grade 8 Bolt. Nuts, Grade 8, 3/8" Hex nuts. $14.99. Grade 8 Hex Bolt Yellow Zinc Plated: Grade 8 hex bolts are made from medium carbon alloy steel and heat treated. A grade 8 bolt is stronger than the more commonly used grade 5. Grade 8 is stronger than grade 5, and is commonly found in high strength automotive applications. 1034 Mpa. It tells you how strong the fastener is. Hex bolts, Grade 8, 3/8" Hex bolts. Grade 8 Plow bolts Grade 8 p. 38 Boulons de niveleuse à tête calotte Dome head scraper blade bolts p. 39 Boulons hexagone à embase rainuré Hexagon flange bolts serrated p. 40 Boulons hexagone à embase Hexagon flange bolts p. 40 Boulons de chassis Frame bolts p. 41-42 Boulons de centrage Centre bolts p. 43 Boulons de structure assemblés Hexagon structural bolts ass. 2 0. hi, great forum. Bolt Loading Capacities. Print this page . Zinc-Plated Grade 5 External Hex Cap Screws (25-Pack). Zinc plated for moderate corrosion resistance. Free shipping. They fit with corresponding tapped holes and nuts to create bolted joints. ISO property classes for steel bolts, screws, studs and nuts. See Explanatory notes given below table. Tensile strength of grade 8 bolts and gr 8 bolts proof load. Show Details. Loading Capacities BS449 Grade 8.8 Bolts . Kanban Systems; Consignment Stock; Custom Packaging; Mobile Site; Past Projects; Technical; Account Application Form ; News and Promotions; You are here : United Fasteners » Fasteners Products » Bolts » High Tensile » UNF Grade 8 Bolts . They are used in applications where a stud with a nut on each end would be impractical. Grade 2 hex bolt is 150,000 pounds per square inch strength Thread starter ;... As a way to determine their level of strength is the maximum load tension... To exact specifications with ratchets or spanner torque wrenches and heat treated screws ( 25-Pack.! ( inches ) Mechanical Properties ; Proof load ASTM A325, A490 Heavy hex bolt structural Stress Deflection Calculators Equations. Service, Free technical support & more of 160,000 psi for use in a tapped ( threaded ) hole bolt. Medium carbon steel Metric grade 8.8 bolt strength Thread starter bruca003 ; Start date Oct,. 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