Metric socket countersunk head screws din 7991 bs 4168 iso 10642 materials and finishes steel 10. Manufactured from 4140 steel, they are clearly marked for ease of inspection. Screwhead file with tang for making slotted screw heads. Screwhead file with tang makes slot in top of screws swiss vallorbe. Mechanical properties proof load psi yield strength min psi tensile strength min psi no grade mark iso r898 class 5. Hexagon socket countersunk head screws en iso 10642 din 7991 grade 10. Iso 4762 hexagon socket head cap screws dimensions, specifications, standard, weights, equivalent and download pdf.
This chart contains information on number, metric and fractional number socket head cap screws, along with tap drill information. For example, a hex cap screw with a 12 thread diameter, threads per i nch, and a 2 length could be listed. Following acceptance of this draft by the subcommittee, it was approved by letter ballot of usa standards committee b18 and the sponsor organizations, and submitted to the united states of america. Manufacturer and distributor cad catalog collection find item details, images, downloadable spec sheets, schematics, 3d cad models and more. Hex cap screws dimensions atlanta rod and manufacturing. Custom hex cap screws and blanks earnest machine products. The following sizes of metric din 933 hexagon head cap screws bolts are available for immediate shipping from stock. For screws of nominal lengths longer than those for which lgh and lbh values tabulated in this table and for screws over 1 inch in diameter, the maximum grip gaging length lgh and the minimum body length lbh of the screws shall be determined as follows. They host a hexagonal recess and are driven using an insert bit or a hex wrench, making the screws more efficient than the slotted screw products as the hex socket drive has more resistance to cam out and can be used with power drivers to enable faster installation. A comprehensive catalogue of unbrako socket screws and related products. A split lock washer designed to fit under the head of a socket cap screw. Hex head cap screws hqmarietta 1076 king industrial dr. Screws too short for this formula shall be threaded as close to the head as practicable.
How do i determine the wrench size or hex key size for hex head bolts and. Socket head cap screws n 1960 series n dimensions n mechanical properties head markings may vary slightly depending on manufacturing practice. Lgh l lt and lgh l ltt where l nominal length, lt minimum thread length, and ltt maximum total thread length. The information available from our sources is usually sufficient for all. Hex head cap screws strainsert sxa series from intertechnology inc. Get the best deals on 51618 x 58 socket head cap screw alloy pln at industrial depot. When looking for outdoor use or a stronger bolt the grade 8 yellow zinc plated bolts are a better choice. Diameters ranging from m2 to m52 in a2 and marine grade a4 stainless steel as well as aluminum, brass nylon and steel. Nas52c socket head cap screw coarse thread stainless steel dfar made in usa silicon bronze socket head cap screws cant find the fastener or product you are looking for or need more information about our socket head cap screws. Metric din 933 hexagon head cap screws bolts full thread. Socket head cap screws are not grade designated as are hex head cap screws. Socket head cap screw, alloy, black oxide this product standard contains the required dimensional, mechanical, performance, and chemical characteristics of the products shown in this purchase order as applicable to the product. The hex head is fully seated when the head is flush with the work surface. How do i determine the wrench size or hex key size for hex.
Cap screws, hex cap screws, hex head cap screws, hex bolts, hex head bolts, cap screw,finish hex head cap screws,finish cap screw,finish hex cap screws,finish hex screws. The screw head is designed to fit a ratchet or spanner torque wrenches allowing you to tighten the screw to your exact specifications. Product standards require the manufacturers head marking to appear on the top of all cap screws 14 diameter and larger. They are not suggested for use in critical high strength applications where socket head cap screws should be used. A screw is a type of fastener, in some ways similar to a bolt typically made of metal, and. The minimum length of thread shall be equal to 12 the nominal screw length plus 0. Solidworks how to generate a screw with the toolbox. Indented hex washer head self drilling screws are available with 2 different drill points. Iso socket head screw size data table chart iso 4762 iso hardware engineering data ansi hardware engineering data iso din bs en 4762 specifies the characteristics of hexagon socket head cap screws with coarse pitch thread from m1,6 up to and including m64 and product grade a. The following sizes of metric din 7991 hexagon socket cap screws are available for immediate shipping from stock. Hex head cap screws are designed for easy assembly into a tapped hole. The valueadded source for quality bolts, screws, nuts, washers and other industrial fasteners.
Standard hex head cap screws steel alloy, sxs series. Iso socket head screw size data table chart iso din bs en. Thr ead lengt b diameter of unthreaded shank ds hex socket width across corners. These properties are tested only on machined specimens when the testing machine cannot provide for. Holokrome socket head cap screwsdimensions 1960 series. Hexagon socket head cap screw 316 stainless steel, m6, m8. A standard inch series socket head cap screw is 20% stronger than a grade 8 hex head cap screw and 50% stronger than a grade 5 hex cap screw. Supplier of metric nuts, bolts, screws, washers and. Stainless steel socket cap screw, hex socket drive, milspec. Grade 2 screws tend to be used in construction for joining wood components. Din 7991 flat countersunk head hexagon socket cap screw.
Hex head cap screw advantages the most important feature of a hex head cap screws is that it has a larger bearing surface area which provide better clamping pressure than other type of fastener such as a socket head cap screw. Screw sizes coarse and fine threads inch size coarse unc fine unf. Nominal size and thread diameter d ad i am et r d k tr ni a max. If all else fails, you may want to use our drill size conversion table or our tap drill size calculator. For saltwater environments use the 316 stainless steel version. Set screws often have a head smaller than the outer diameter of the screw. Custom hex head cap screws from earnest machines engineering and manufacturing center. Hex cap screws 48b grade5 hex cap screw grade8 hex cap screw these properties are tested only on machined specimens when the testing machine cannot provide for full testing of the parts. Unless specified below, current revisions of national or international standards. When a hex cap screw is fully threaded it can also be referred to as a tap bolt. Notes regarding the thread length of socket head cap screws. The fastener must penetrate beyond the metal a minimum of three thread pitches. Each screw conforms to is for metric screws and is modelled with dimensionallycorrect threads. Zinc plating, retards the corrosion rate in a normal atmosphere.
Socket cap screws to din 912 are often referred to as allen head bolts. Socket head cap screws 51 button head and flat head socket cap screws 52 socket set screws 53 hexagon keys and bits 54 socket head shoulder screws, dowel pins, and slotted set screws 55 square head set screws and socket pipe plugs 56 physical properties of sockets 56 point terminology 57 flange 12point screws 58 to 59. Hex cap screws meet sae specifications with a specially designed washer face under the head and a chamfered point. Table 3 suggested torque values and clamp loads for sae. Machine screws 72 he x he a d s a n d he x wa s h e r he a d s f o r ma c h ni e sc r e w s asme b18. Machine screws, sheet metal screws, all thread rod, carriage bolts, lag screws, structural a325 bolts, concrete wedge anchors, b7 studs, tap end studs, double end studs, stainless hose clamps, metric course and ne. Often equipped with features that prevent loosening, these fasteners may be found in building and other construction projects, repair. Metric screws plain black metric socket head cap screws with coarse thread grade 12. Hex cap screws feature a washer face under the head and a chamfered point, whereas a hex bolt has no washer face or chamfered threads. The basic thread lengths l listed directly below the nominal sizes in the table on the. Unbrako socket cap screws offer resistance to a greater degree than any other threaded fasteners you can purchase offtheshelf. Attaches fixtures, backup plates, door frames and lathers channel to structural studs, metal. B7 alloy heavy hex head cap screws designed for high temperature, high strength applications, these screws meet astm a193 grade b7 specifications.
Socket cap, shoulder, set screws, and hex keys inch series. Overdriving may result in failure of the fastener or stripout of the work surface. Stainless steel socket cap screw, hex socket drive, milspec, 3816, 4 length pack of 5 currently unavailable. The name hex cap screw and hex bolt are commonly interchanged. Choose from our selection of socket head screws, rounded head screws, hex head screws, and more. External hex hex head cap screw product overview these zincplated steel hex head cap screws can help you finish a variety of fastening jobs with ease. A hex cap screw in smaller sizes may not have a shoulder.
Product standards require the manufacturers head marking to appear on the top of all cap screws14 diameter and larger. Hex head cap screws manufacturers on b2bchinasources. Iso 4762 dimensions, specifications, standard, weights. Standard hex head cap screws steel alloy, sxs series view full specscad strainsert fasteners utilize an exclusive internal gaging method u. Socket head cap screws metric body and grip lengths. Heavy hex head cap screw dimensions alma bolt company. Get free 2day shipping on qualified 18 in, screws products or buy hardware department products today with buy online pick up in store. Drilling, slotting, cutthreadchamfer and other services available. Metric din 7991 flat countersunk head hexagon socket cap. Plating see appendixa for information on the plating of steel lag bolts. The leader in fasteners, shop supplies, hand tools, and hardware.
Dimensions for hex and heavy hex cap screws specified by asmeansi b18. Commonly referred to as allen bolts, socket head cap screws, or socket head screws. Earnest engineering and manufacturing centers can customize stocked blank hex cap screws from 78 to 2 diameter and up to 20 long. Basic screw diameter, body diameter d, head diameter a, head. Inch series flat socket head cap screws continued mechanical properties and tightening torques nominal size basic screw diameter tensile strength pounds min. Indented hex washer head self drilling screws stafast ecommerce.
The most popular hex cap screws are the grade 5 steel bolts with a zinc finish. Grade 5 is the most common grade used in manufacturing assembly. The tabulate lg values are maximum and represent the minimum design grip length of the screw. Lb is the minimum body length and is the length of the unthreaded cylindrical portion of the shank. Convert toolbox part to a regular part file duration. Iso 4762 dimensions, specifications, equivalent standards, weights, pdf. A helpful guide with hex cap screw head and thread dimensions, tolerance on length, and performance and mechanical specs. Our sae grade 8 and astm grade bd cap screws are nearly identical, with the only exception being the astm required bd stamp on the head of the cap screw. Hex head cap screws are typically used to create a bolted joint, in which a threaded shaft exactly fits a corresponding tapped hole or nut. Diameters ranging from m3 to m24 in lengths up to 150mm, in steel and stainless steel a2 and a4. Early wood screws were made by hand, with a series of files, chisels, and. We dont know when or if this item will be back in stock. All data is correct to the best of our knowledge, however tr cannot be held responsible for any errors or omissions. Hex head cap screws hex head cap screws come in a variety of sizes, finishes, grades and threads.
Flat, countersunk head cap screws and button head cap screws are designed and recommended for moderate fastening applications. Metric nuts choose from metric hex, flange and lock nuts with coarse or fine thread. Cap screw definition of cap screw by the free dictionary. Diamond knurls, unbrako, and unb are recognized identifications for 14 diameter and larger.
439 654 693 902 1205 385 1268 28 10 670 341 545 746 1060 1125 232 206 1469 924 1479 215 1239 855 1388 1536 766 1275 555 152 1125 304 1367 427 629 947 358 882 906 1408 583 1084 195