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Description. M30 40Cr Grade 8.8 Bolts,Cement Mill Screw Bolts. 1.M14 Bolt Units have been widely used in ball mills,SAG mills,AG mills.. 2.The high strength screws can be reliably used in cement mills,coal mils and mine mills.
May 26, 2016· Grade 8 bolts are a heat treated alloy steel that are hardened more than the Grade 5. Thus, they are stronger and can be used in more demanding situations. Grade 8 bolts have 6 evenly spaced radial lines. Grade 8 bolts have a tensile strength of 150,000 PSI. Allen head bolts can easily be identified as they require the use of an allen wrench.
The mill manufacturer specifies a load which is designed to be the optimum load applied to the bolts to hold the mill together for its entire life, which can be in excess of 20 years, some mill manufacturers specify an elongation, unfortunately they usually specify a torque figure which should in a best case produce the correct elongation, but
If your application calls for heavier materials, you may need Grade 8 Bolts because they are the hardest and are often used in heavy manufacturing applications. Otherwise, Grade 5 bolts can be used. These bolts are heat treated in a controlled atmosphere from 1⁄4 in. through 1-1/2 in. with a minimum tensile strength of 120,000 psi in
Grade 55 anchor bolts manufactured from modified mild steel with higher minimum yield strength than grade 36. Available in sizes from ¼ inch to 4 inches. Grade 105 anchor bolts manufactured from heat-treated medium carbon alloy steel offers the highest strength
The SAE marking standard starts with grade 2, indicated by a bolt head with no markings whatsoever. A grade 2 bolt made of low-carbon steel has a tensile strength of 64,000 pounds per square inch or less. Tensile strength is the amount of pull the bolt can withstand before breaking. A bolt head with three raised dashes in a radial pattern marks
The sleeves pinch the sides of the predrilled hole and get tighter as you tighten the screw or bolt. Best uses: Concrete, concrete block, mortar and brick. How to use: First, drill the proper size pilot hole (3/8-in., 1/2-in., etc.) through the wood or metal and into the concrete. Slip the concrete
Few things are more important in concrete construction than choosing the right adhesive anchor and anchor rod for your application. The right pairing affects performance, cost-effectiveness and productivity. Learn more about Hilti chemical adhesive anchors and threaded rod options below.
We have ball mill liner bolts manufacturers in uzbekistan grinding mill,Ball mill grinding liner kenya Processing ability 05500 th feeding size 25 mm ball mill is the key equipment for grinding after the crushing process which is widely used in the manufacture industries such as cement silicate new building material refractory material fertilizer f
We Manufactures custome based Mill liner bolts. These type of Mill Liner Bolts are used for ball Cement Industry Plants. We manufacture all type of 'High Tensile Fasteners' like Square Head Bolts, Taper Head Bolts, Linear Bolts etc. in metric & inch series like M-24 to M 64 & Dia 5/8" to 2", In leangth 50mm to 600 mm long forging bolts, in 4.6, 4.8, 8.8, 9.8, 10.9, 12.9 grade in threaded
If your application calls for heavier materials, you may need Grade 8 Bolts because they are the hardest and are often used in heavy manufacturing applications. Otherwise, Grade 5 bolts can be used. These bolts are heat treated in a controlled atmosphere from 1⁄4 in. through 1-1/2 in. with a minimum tensile strength of 120,000 psi in
The actual strength of the bolt includes the material as well as the size of the bolt (1/4″ or 1/2″ etc.). A low grade 3/4″ bolt is much stronger than a 1/4″ high grade bolt, for instance. So, what bolts you choose must take several factors into consideration. Here several common bolt grades. These are the ones that are really helpful
Mil-spec bolts may be used in a number of applications in a wide range of industries. Military-spec bolts are available with either coarse or fine threads, and are made from a range of materials with different finishes. Mil-spec machine screws are used to fasten machine parts and in other applications. They do not have a tapered tip; the entire
Nov 19, 2018· Anchor bolts are designed to attach structural elements to concrete. In our industry, anchor bolts are typically used to attach steel to concrete. One end is embedded into the concrete, while the opposite end is threaded to attach structural support. There are four main types of anchor bolts: L-shaped, double end rods with plate, headed, and
Grade 55 anchor bolts manufactured from modified mild steel with higher minimum yield strength than grade 36. Available in sizes from ¼ inch to 4 inches. Grade 105 anchor bolts manufactured from heat-treated medium carbon alloy steel offers the highest strength
The bolts are color coded at the end that will project from the concrete to easily identify the grade used in the field (Grade 36: Blue, Grade 55: Yellow, Grade 105: Red). Permanent stamping with grade symbol and manufacturer’s identifier instead of color coding is a supplementary requirement.
The SAE marking standard starts with grade 2, indicated by a bolt head with no markings whatsoever. A grade 2 bolt made of low-carbon steel has a tensile strength of 64,000 pounds per square inch or less. Tensile strength is the amount of pull the bolt can withstand before breaking. A bolt head with three raised dashes in a radial pattern marks
So, with a grade 8, this falls under the SAE J429. You can look that up to go over on google. Just google that and you'll find all the information in reference to the treatment of a grade 8 bolt. A grade 5 bolt falls under ASTM 574. A grade A325 falls under ASTM specifications also and you can look those up on google to get further information.
Apr 04, 2016· As we know that there are many types of cement in the market to suit every need. Some of them which are included in the revised IS : 456-2000 are as follows: •Ordinary Portland Cement 33, 43, 53 grade (OPC), 53-S (Sleeper Cement) •Portland Pozzola.
Grade A headed bolts, threaded rods and bent bolts with a minimum tensile strength of 60 ksi for a wide range of general-purpose applications. Grade B heavy hex bolts and studs with a tensile strength of 60 to 100 ksi for flanged joints in piping systems with cast iron flanges.
Steel Rebar is available in Grade 40 which has a minimum yeild of 40,000 lbs/sqin, and Grade 60 at 60,000 lbs/sqin. Metals Depot stocks various sizes of steel rebar at wholesale prices in ready to ship precut and mill lengths or you can order online just what you need custom Cut to
Grade 5 bolts have 3 evenly spaced radial lines on the head. Grade F is roughly equivalent to Grade 5. Grade F nuts are used with Grade 5 bolts. Grade 8 Grade G. Grade 8 bolts have been hardened more than grade 5 bolts. Thus they are stronger and are used in demanding applications such as automotive suspensions.
We Manufactures custome based Mill liner bolts. These type of Mill Liner Bolts are used for ball Cement Industry Plants. We manufacture all type of 'High Tensile Fasteners' like Square Head Bolts, Taper Head Bolts, Linear Bolts etc. in metric & inch series like M-24 to M 64 & Dia 5/8" to 2", In leangth 50mm to 600 mm long forging bolts, in 4.6, 4.8, 8.8, 9.8, 10.9, 12.9 grade in threaded
Anchor bolt: Image credit: Portland Bolt. Anchor bolts are embedded in concrete or masonry for structural applications. Carriage bolt: Image credit: Bolts 'n Nuts Plus. Carriage bolts are used to fasten metal to wood. The undercut of the bolt head is square to hold the bolt in place once tightened. Elevator bolt: Image credit: TOPS Inc
Grade 5 bolts have 3 evenly spaced radial lines on the head. Grade F is roughly equivalent to Grade 5. Grade F nuts are used with Grade 5 bolts. Grade 8 Grade G. Grade 8 bolts have been hardened more than grade 5 bolts. Thus they are stronger and are used in demanding applications such as automotive suspensions.
Zinc Fasteners Nuts, Washers, Bolts & Screws in Zinc Plated Steel These fasteners are zinc plated steel in Grade A, Grade 2 and Grade 5. Zinc finish fasteners include: Carriage Bolts, Coupling Nuts, Wedge Anchors, Concrete Anchors, Flat Washers, Lock Washers, Lock Nuts, T Nuts, Sheet Metal Screws, and many more.
Grade A headed bolts, threaded rods and bent bolts with a minimum tensile strength of 60 ksi for a wide range of general-purpose applications. Grade B heavy hex bolts and studs with a tensile strength of 60 to 100 ksi for flanged joints in piping systems with cast iron flanges.
Low Carbon Grade 5 Grade 8 Class 8.8 Class 10.9 Class 12.9 US bolt head markings Metric bolt head markings 8.8 10.9 12.9 Hex bolts, or hex cap screws, are used in machinery and construction. Can be used with a nut, or in a tapped hole. Fully threaded hex bolts are also known as tap bolts. Wood screws have large threads and a smooth
Jul 30, 2012· However, Smith notes that in section 6.4, "Concrete Slab, Foundation and Anchor Bolt Setting," the manual says "the End Customer is responsible for all additional costs resulting from errors in the concrete slab and foundation or in the settings of anchor bolts, except where the concrete slab and foundation are constructed by the Builder.
The bolts that are not attracted to the magnet are Grade 8 bolts. Look for Bolt Markings. If you do not have a magnet you can still identify Grade 8 bolts by brushing the head of the bolt using a wire brush and counting its radial lines. There are six radial lines on the heads of Grade 8 bolts. Length is measured from under the head.
The bolt threads at the end of the steel rod protrude from the concrete, and a washer and nut are used to hold the object being secured in place. Cast-in-place anchors come in different shapes: L-bolt, J-bolt, pigtail anchor with a 10-degree bend, or with a steel plate and hex nut.
Grade 2 calculations only cover fasteners 1 ⁄ 4 “-3 ⁄ 4 ” in diameter up to 6″ long; for longer fasteners the torque is reduced significantly. Clamp loads are based on 75% of the minimum proof loads for each grade
Square u-bolts are typically used for attaching product to a square shaped post and can also be embedded in concrete and used as anchor bolts. Square u-bolts are also used for heavy equipment and when used in this application or normally made in A193 B7 material.
find Deals from class 10.9 hex nut, grade 10.9 washer, class 10.9 screw, socket head cap screw manufacturers in India. Grade 10.9 Steel Bolts are very similar to the grade 8. There is only one main difference between both of them and that is Class 10.9 is tougher than class or grade 8 and is normally found in great power motorized applications, in the same way if we talk about Grade 10.9
Cement is primarily valued as the key ingredient of concrete, the most widely used construction material in the world. And most types of cement are geared toward these diverse and widespread building needs. But there are also specialty cements that reach beyond
Grade 8 Bolts, Screws, Studs Medium Carbon Alloy Steel, Quenched and Tempered 1/4 thru 1-1/2 120,000 130,000 150,000 ASTM A354 Grade BD Alloy Steel, Quenched and Tempered4 No Grade Mark SAE J429 Grade 8.1 Studs Medium Carbon Alloy or SAE 1041 Modifi ed Elevated Temperature Drawn Steel 1/4 thru 1-1/2 120,000 130,000 150,000 A490
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