Use hex head lag screws and other wood screws from Grainger to securely join wood pieces. Lag screws have thick shafts and coarse threads to firmly grip wood boards, studs and similar pieces. Star Drive Round Washer Head Construction Lag Screws (100-Pack) A full-bodied bolt with hex head, spaced threads and a gimlet point. SKU: 104048399. BIG TIMBER #17 x 8 in. x 8 in. Copyright © Northeast Fasteners Co., Inc. Duplex. Screws too short for this formula shall be threaded as close to the head as practicable. Grade 8 bolts have the highest ratings with tensile strength 60 pcs M6 Expansion Bolts, Stainless Steel Hex Head Coach Screws Lag Bolt with Flat Washer - 6 m… A grade 8 bolt is stronger than the more commonly used grade 5. The preload, or thread tension in a fastener is higher when the type of steel being used is grade 8 in quality. Stainless Steel Hex Nuts, Grade 18.8, Coarse Thread. We are very grateful for the quality product you have sent us. Small paddock turn out where the horse is quiet can be provided. Use with ASTM A325 structural bolts. Bearing values assume standard clearance holes. Higher grade materials, such as carbon alloy steel, allow for greater torque strength in the threads of the bolt. Grade 8 lag screws hex head bolt markings 3mm. 2 Pieces (Min Order) 2 YRS Dongtai Sitai Stainless Steel Products Co., Ltd. 63.6%. Add To List Click to add item Grip Fast® 3/8" Grade 2 Zinc Hex Head Lag Screws to your list. They are used mainly in wood construction. Wood lag bolts, hex lag bolts are other alias of hex head bolts. Bolt Loading Capacities. A307 Grade A Hot Dip Galvanized Steel Hex Lag Screws (10-Pack) Model# 9057244 $ 24 49 /package. JavaScript seems to be disabled in your browser. Related Resources: hardware. 3/8 in. We use them in the manufacturing process of an extremely sensitive product. These markings on this head indicate, these 1-2-3-4-5-6 slashes that you see here, those slashes indicate that that's a grade 8 bolt. Fastenal Part No. Lag screws have thick shafts and coarse threads to firmly grip wood boards, studs and similar pieces. hanger bolts zinc plated. Applications: Steel, Electro-plated Zinc: For use in wood in non-corrosive environments Steel, Hot-dip Galvanized: For use in corrosive environments Stainless Steel: Has superior corrosion resistance to galvanized steel bolts. Portland Bolt manufactures lag screws from 1/2″ diameter through 1-1/2″ diameter in most ASTM, AASHTO, and SAE specifications. Featuring a tensile strength of 150000 PSI this hexagonal bolt is built tough. Elevator Bolts. 1/4, 5/16 and 3/8 diameter and up to 6 inch length stainless steel hex head lag bolts (screws) grade 18.8. How do I manage a horse with sporadic ER? Sign In to view purchased products. This is a grade 8 hex cap screw. Heat treating the En 15048 Grade 8.8 leads to a change in the mechanical fasteners. Strength is similar to Grade 8. Our buyer received a letter from your company regarding an order I put in for some 3” stainless steel U-Bolts. tensile strength is 150,000 lbs per square inch ultimate shear strength Carriage bolts. of 150,000 psi. X 3 in., A307 Grade A Zinc Plated Steel, 25-Pack US $0.01-$0.08 / Piece. A full point is unnecessary since a pilot hole nearly as large as the root diameter o… Grade 8.8 Bolts per. Unless otherwise specified, nonstandard lag screws manufactured by Portland Bolt will possess a semi-cone point rather than a gimlet or cone point. Use with ASTM A325 structural bolts. Materials include alloy steel, low carbon steel & … Grade 5: Medium strength. Also known as 318LN. Commonly used for decks, framing, retaining walls, and wooden playground equipment. Available in Steel, Grade 5, Grade 8 & Stainless. Carriage bolts have a smooth, rounded head for a finished look. Duplex Stainless Steel 1.4462 - a type of stainless steel, which has greater corrosion resistance than A4 / 316 and a high tensile strength of minimum 700 N/mm2. Contact Supplier. Dowel Screws. 1/2 in. In stock and ready to ship. Material Contact our team directly by phone or by using our secure online form. Non-preloaded Ordinary Bolts. Purchased products. Strength Specifications of Stainless Steel Threaded Fasteners. One thing to keep in mind is that it's almost always a safe bet to go with the highest grade of bolt you can when in doubt. The hardness of the medium carbon steel Metric Grade 8.8 can be increased by heat treating them. A single 1/4" Grade 5 lag bolt, in a configuration like this, will fail at roughly 13,000 lbs. Note: Product availability is real-time basis and adjusted continuously. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. Grade 8 bolts are used marine, military, aerospace, off-road vehicle markets and related mechanical applications where stress and strong load bearing pressure is required. or call us today at 1-866-895-0627 to inquire about a quote from U-Bolt-It. x 8 in. A full point is unnecessary since a pilot hole nearly as large as the root diameter o… We doesn't provide grade 8 lag bolts products or service, please contact them directly and verify their companies info carefully. Grade 2H Nuts: Strength is similar to Grade 5. ISO 9001:2000 certified manufacturer of bolts including aerospace, aircraft, automotive & military specification bolts. Model #260276. Used Most Commonly in Wood Applications. Our previous U-bolts were zinc plated, therefore they became rusted too easily and risked the quality of the product. Grade 8 Full Thread. We will definitely continue to use your company and the services provided. BIG TIMBER #17 x 8 in. Free In Store Pickup Same Day Delivery Eligible. Carriage bolts are specially made for through bolting where its square neck prevents the bolt from moving as the tightening of the nut is done on the opposite end. For most home and automotive applications, you won’t need anything more than a grade 8 bolt strength or metric class 10.9. Done. Portland Bolt manufactures lag screws from 1/2″ diameter through 1-1/2″ diameter in most ASTM, AASHTO, and SAE specifications. 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 gr.8 proof stress n/mm2 proof load kn tensile stress n/mm2 tour-que* n-m hard-ness hrc elonga-tion# % proof stress n/mm2 proof load kn hard-ness hrc m6 1 20.1 580 11.7 800.0 9.4 22-32 12.0 855 17.2 30 max … (SKU) ... A Hex Lag Screw, also called a lag bolt, is a full-bodied threaded bolt with a hex head, spaced threads and a gimlet point. Manufacturers may recommend a grade 5 but it never hurts to go with higher quality materials. Thus they are stronger and are used in demanding applications such as automotive suspensions. Plating See Appendix-A for information on the plating of steel lag bolts. ... lag bolts hot galvanized. Grade 2: Low strength. These types of bolts often have galvanised hexagon heads, and most are made with zinc or are zinc plated. elevator bolts zinc plated. View More View All Sort & Filter. flat head slotted cap screws zinc plated. The grade 8 bolt is durably built to stand up to a 120000 PSI proof load and is constructed from medium carbon alloy. structural hex bolt a325 plain steel. Type 18-8 are standard grade, while 316 is a superior type often referred to as marine-grade steel. Prime-Line 9056275 Hex Lag Screws, 3/8 in. for pricing and availability. The square neck keeps these bolts from turning when tightening a nut. I just wanted to thank you for the kind letter and let you know that your U-Bolts have been completely invaluable to us. Grade 8: High strength. 1/6. hex cap screws sae grade 8 zinc yellow. 7. equivalent metric bolt substitution – astm grade bolt sizes f - 568 class 4.6 f - 568 class 8.8 f - 588 class 8.8.3 f - 568 class 9.8 f - 568 class 10.9 a - 325m type 1 or 2 a - 325m type metric english 3 (mm) (inches) hole diam (mm) english - astm grade specified a - 449 type 1 a - 354 grade … Unless otherwise specified, nonstandard lag screws manufactured by Portland Bolt will possess a semi-cone point rather than a gimlet or cone point. You can tell by the markings on the head, but I'm going to show you an even better one. Metric Class 12.9: The highest metric class for strength, it exceeds Grade 8. Grade 8.8 Bolts per. For instance, the Class 8.8 Bolts have an increased hardness, ductility, yield strength, and impact resistance. The factor that makes a grade 8 bolt different from a lower grade bolt is its preload strength. A307 Grade A Zinc Plated Steel Hex Lag Screws (50-Pack) Model# 9056638 $ 56 48 /package. Metric Class 10.9: Similar to Grade 8. Grade 8 hexagonal head bolt hex tap bolts (full thread) uss gr 2 zinc. x 8 in. They are designed to securely join wood pieces together in heavy load applications. 3/8 in. Nylon. Find My Store. Contact Supplier. 3/8 in. A full-bodied bolt with hex head, spaced threads and a gimlet point. 1/2 in. Imperial Hex Bolts - UNF - Grade 8 - Zinc Plated - AS2465 - UN0027 Standard Dimensions : UN0027 Imperial Hex Bolts - UNF Grade 8 Zinc Plated AS2465 Grade 8 bolts have been hardened more than grade 5 bolts. hex cap screws uss grade 8 zinc yellow / plain steel. Grade 8.8 Bolt Loading Capacities Table. Even 1/8" lag screws (well down into "numbered" screw sizes) will have a shear strength of over 3,000 pounds. anchor bolts. With the first episodes of ER horses should be rested for the first 12-48 h in a stall until they can move about comfortably without pronounced stiffness. hex head bolts hot galvanized. tap bolts (full thread) uss gr 8 zinc yellow. Steel, Stainless & Lag Screws Hot-Dip Galvanized ‡Length of a lag screw is measured from the underhead bearing surface to the extreme end of the screw. Lag Screws: Performance & Mechanical Specs; Description. Grade 8 bolts have a tensile strength of 150,000 pounds per square inch. x 8 in. Special tooling can be created to produce nonstandard head dimensions or bolt heads with your company’s name and/or logo. We recommend using grade 8 nuts, flat washers and high alloy lock washers with any grade 8 bolts / hex cap screws. @Karen/Mick- A325 bolts are for structural applications only, and so do not come in lag screws, nor in 5/16″ diameter, 1/2″ is the smallest. hex flange lag screws grade 2; hex serrated large flange grade 5; 12 point flange bolts; inch flange nuts. Find the best deals on Grade 8 Hex Cap Screws (Grade 8 Bolts) at Industrial Depot. Just google that and you'll find all the information in reference to the treatment of a grade 8 bolt. 3/8 in. 8.8- This type of grade is often referred to as the structural grade for bolts. 5 (1) was save . Made from Grade 8 steel, these bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. Compare Click to add item "Grip Fast® 3/8" Grade 2 Zinc Hex Head Lag Screws" to the compare list. to 1-1/4 in., lengths up to 200 mm & thread lengths up to 8 in. hex tap bolts (full thread) uss gr 2 zinc. Grade 8 bolts have the highest ratings with tensile strength of 150,000 psi. Star Drive Round Washer Head Construction Lag Screws (100-Pack) Model# 1CTX178 $ 148 34. Have a question about our manufactured grade 8 bolts? 1000.0 Kilograms (Min Order) 8 YRS Ningbo Weifeng Fastener Co., Ltd. 75.0%. Lag bolts are wood screws with hexagon or square head and pointed wood threads. grade 8 lag bolts. Common uses for grade 8 bolts are for military, aerospace, or marine related mechanical applications where high stress and strong load bearing pressures are a major factor. Hex lag bolts are most common among wood lag bolts. We look forward to speaking with you! This is a large grade 8 bolt and there you can see the markings. Bright Zinc Plated (BZP) Class 8 high tensile steel - the general purpose non-stainless grade for screws and bolts, with a basic level of corrosion resistance. Grade 8 bolt. The two figures indicate the tensile and yield strengths of the bolt or screw. Metric Class 10.9: Similar to Grade 8. There are some general purpose application standards that are similar, like A449 or grade 5, but lag screws do not come off the shelf in ether of those grades. 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. Bolts and lag screws shall comply with the dimensional and material quality requirements of ANSI/ASME B18.2.1, Square and Hex Bolts and Screws—Inch Series. 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. Special tooling can be created to produce nonstandard head dimensions or bolt heads with your company’s name and/or logo. Stainless Lag Bolt/Screw Sizes. No matter the system used to grade the bolts, the higher the number means the stronger the bolt. Grade 8 bolts have 6 evenly spaced radial lines on the head. S355. 8. Shipping ADD TO CART. Most of our inventory is available in both type 18-8 and 316 stainless steel bolts. Metric Class 8.8: Similar to Grade 5. Stainless lag bolt/screw pictures are a general representation and not an actual picture of the product you will receive. 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. Hex Flange & Frame Bolts Supplied in High-Strength Grade 8 with Black Phos Finish or 18-8 Stainless Steel. -16 Coarse Thread x 1-1/2 in. Bolts with Wide, Flat Heads & Square Necks. x 6 in. Grade 5: Medium strength. Hanger Bolts. high quality long hex lag special nuts and bolts floor bolt cover. You must have JavaScript enabled in your browser to utilize the functionality of this website. ... Grade 2 (188) 304 (69) Size 1/4 in (77) 5/16 in (59) 3/8 in (83) 1/2 in (76) 5/8 … There are some general purpose application standards that are similar, like A449 or grade 5, but lag screws do not come off the shelf in ether of those grades. 14 Variations Available at least 640MPa. All grade 8 lag bolts wholesalers & grade 8 lag bolts manufacturers come from members. A grade 8 bolt is stronger than the more commonly used grade 5. A hex head lag screw is a wood screw that is driven with a wrench instead of a screwdriver. See Explanatory notes given below table. Marine Bolt Supply proudly offers a wide variety of stainless steel bolts in several sizes and styles such as hex head, socket style, carriage, and lag bolts. hex cap screws uss grade 8 zinc yellow / plain steel. Hex Galvanized Lag Screw Lag Screws are hex head screws with thick Lag Screws are hex head screws with thick shafts and coarse threads. The leader in Fasteners, Shop Supplies, Hand Tools, and Hardware. It is made of alloy steel and has six radial lines on the top of the bolt head. #14 x 3" Construction Lag Screw Exterior Coated Torx/Star Drive Heavy Duty Structural Lag Screw Fa… Often Used in Conveyer Systems. CLEARANCE FIT The maximum material condition clearance between mating assembled parts. Shop lag screws and a variety of hardware products online at Lowes.com. 1/4-20 X 1/2 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC, 1/4-20 X 1/2 GRADE 8 HEX HEAD CAP SCREW BLACK, 1/4-20 X 5/8 GRADE 8 HEX HEAD CAP SCREW BLACK, 1/4-20 X 5/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC, 1/4-20 X 3/4 GRADE 8 HEX HEAD CAP SCREW BLACK, 1/4-20 X 3/4 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC, 1/4-20 X 7/8 GRADE 8 HEX HEAD CAP SCREW BLACK, 1/4-20 X 7/8 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC, 1/4-20 X 1 GRADE 8 HEX HEAD CAP SCREW BLACK, 1/4-20 X 1 GRADE 8 HEX HEAD CAP SCREW YELLOW ZINC. Stainless Steel Nylon Lock Nuts, Grade 18.8, Coarse Thread. Stainless Steel Metric Nylon Lock Nuts, Grade 18.8, Coarse Thread . Metric Class 4: Similar to Grade 2. Lag screws, also known as lag bolts, are used in wood construction for heavier load … Metric Class 4: Similar to Grade 2. It is made of alloy steel and has six radial lines on the top of the bolt head. Depend on these flange bolts made of Grade 8 steel for use in demanding applications. hex cap screws sae grade 8 zinc yellow. 3/4"-4.5 x 8" Grade A Hot Dip Galvanized Finish Hex Head Lag Screw. 5/8-in x 12-in Anchor Bolt. Material Save Up To See price at checkout Click here for more details. Anchor bolts are used to securely attach wooden structures to concrete. bhlss5/16x3.5-p50 5/16 x 3-1/2 hex lag bolt ss 50 per box/10 boxes per carton Brands. Sku # 2323170. Grade 8: High strength. Grade 8 Bolts Coatings and plating as well as plain finished oil and tempered is available as required by the end user such as Zinc plating, Cadmium plating, Xylan ® coating, Dupont Teflon ® coating, Hot Dip Galvanized coating, Auge Antifrix ® coating, Sermagard ® coating and Niwat 1000 ® plating.

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