Thread pitch width across flats width across corners nut height washerface or chamfer dia. Heavy hex socket head cs buttonflat soc cs metric size regular hex heavy hex socket head cs buttonflat soc cs 0 0. Metric socket hd cap screw dimensions west coast fasteners. Although the head dimensions for structural bolts are the same as any heavy hex headed fastener per asme b18. Socket head cap screws from ita fasteners comply with the strictest industry standards for durability and strength.
A270 metric, socket head cap screws, iso 4762, a270 stainless steel the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Flat head socket cap screw dimensions thread lengths screws may be fully or partially threaded. Browse metric socket head cap screws din 912 in the coburnsmyers online catalog and search by type, diameter, pitch, length, material and finish toll free. Boltport is a manufacturer of socket head bolts in metric and imperial sizes with coarse, fine, extra fine, and custom threads to various dimensional standards and material specifications. Din 912 hexagon socket head cap screws dimensions, specifications, standard, weights, equivalent and download pdf. Hex cap screws dimensions atlanta rod and manufacturing.
The thread length on socket head cap screws shall be as defined by table 1b and notes thereto. To meet the increasing demand for fine thread socket head cap screws, we have added many sizes from m8 x 1 through m20 x 1. Din 933a2a4 iso 4017 hex head cap screw full thread. For partially threaded screws, manufacturing standards allow thread lengths to vary between the minimums and maximums listed in the tables below. Drill and counterbore sizes for socket head cap screws per. To determine the threaded portion of the screws with a nominal length greater. Metric socket countersunk head screws din 7991 bs 4168 iso 10642 materials and finishes steel 10. A cylindrical shoulder under the head allows parts to rotate around and slide along its length, so these screws are often used to guide and align components. Socket screws, also known as allen head, are fastened with a hex allen wrench. J bolts shoulder bolts j shaped bolts are used for tiedowns or as an open eye bolt. A cylindrical shoulder under the head allows parts to rotate around and slide along its length, so these screws are often used to. Install in a counterbored hole or above the surface.
Socket head cap screw size chart this chart contains information on number, metric and fractional number socket head cap screws, along with tap drill information. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36. It is made of stainless steel, carbon steel or alloy steel making it corrosion resistant. Hole sizes 124 thumb and wing screws 125 to 127 b7 studs and nuts stud bolts for pressuretemperature piping 21 general purpose endtoend studs 22 tap end stud bolts 23 double end stud bolts 24 bolts. Lb is the minimum body length and is the length of the unthreaded cylindrical portion of the shank. Iso 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. If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor. Din 912 dimensions, specifications, standard, weights.
Socket head bolts are heavy profile hexagon head bolts with full or partial thread configurations. For hexagon socket heads, inside chamfering is permitted. If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your. Standard size bolts, along with smaller and larger bolt sizes are also typically measured by pitch threads per unit, threads per inch and behind the head to its end. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than. Din 933 1987 this standard contains specifications for fully threaded hexagon head screws with coarse metric thread for diameters m 1. All holokrome products are made in the usa and used in a wide variety of market application which demand highquality, highstrength precision components. Wrench and socket drive size chart wrench size hex key size wrench size hex key size inch size regular hex heavy hex socket head cs buttonflat soc cs metric size regular hex heavy hex socket head cs buttonflat soc cs 0 0.
Metric socket head shoulder screws, stripper bolt, manufactured in the usa the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Nominal size and thread diameter d ad i am et r d k tr ni a max. Bolt head size chart fastener resources mudge fasteners. Socket head cap screw size chart if all else fails, you may want to use our drill size conversion table or our tap drill size calculator. Hexagon socket countersunk head screw07407 hexagon socket countersunk head screw51060 m24x180 10 07400.
Engineering ansi hardware design data engineering metric hardware design data. For screw over 1 inch in diameter, fully threaded when nominal length, l socket head cap screws, we have added many sizes from m8 x 1 through m20 x 1. If you cant open these pdf files directly in your browser, you can use a pdf viewer, such as adobe reader free. Socket head cap screws metric body and grip lengths.
The basic thread lengths lt listed directly below the nominal sizes in the table above represents the nominal length up to which all screws of that diameter shall be fully threaded. 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. Sae plain and zinc plated hex and socket head cap screws 4 metric plain and zinc plated hex and socket head cap screws 8 sae coated hex head and socket head cap screws. Refer to nut dimensions below for washer face dt general dimensions of structural nuts as1252 1983 nom.
Anchor bolts bolt types standard bolt size hex bolts. Ansi hardware design guides iso metric hardware design guides. Hexagon socket countersunk head screws en iso 10642 din 7991 grade 10. Service manual supplement july 2016 fastener torque specifications 4 sae and metric fastener torque specifications sae plain and zinc plated hex and socket head cap. 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 information available from our sources is usually sufficient for all computer related drill or screw requirements world wide. The length of a flat socket head cap screw is measured from the top of the head to the flat of the point unlike other socket products whose length measurement is from underneath the head to the flat of the point.
Din 7991a2a4 iso 10642 flat head countersunk socket. Inch standard counterbore d h d d h d printed copies of electroimpact standards are for reference only and are not subject to revision control. The higher tensile strength of unbrako socket screws can be translated into savings. They are mainly used in applications like the construction of plastic injection molds, power plant parts and transmission tools, hydraulic braking system. Counterbored hole dimensions for us socket head cap screws. Plain pb050 zinc pb050z1 d a f s b depth of square and head bolt width of square diameter head diameter feed thickness max min max min 516.
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. M spline socket size nominal j hexagon socket size nominal t key engagement min. Button head socket cap screws, stainless steel the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. The m3 and m4 nominal screw sizes have two drilled holes spaced 180 degrees apart. Screws round head screws 11 various head styles machine scerws 12 to 123 tapping screws approx. Wrench and socket drive size chart wrench size hex key size wrench size hex key size inch size regular.
Yieldtotensile ratio is the lowest of all heat treated steels. Socket head cap screws are usually preferred in applications which require an aesthetically pleasing fastener for exposed views but still have enough tensile strength for better load handling. Inch series flat socket head cap screws msc industrial direct. The printable fastener tools series also includes general charts and tools for identifying and measuring fasteners, including a ruler and thread gauge. Inch series flat socket head cap screws continued mechanical properties and tightening torques nominal size basic screw diameter tensile strength pounds min.
Product standards require the manufacturers head marking to appear on the top of all cap screws 14 diameter and larger. Alloy socket head cap screws, inch series barnhill bolt. Critical application fasteners since its formation in 1929, holokrome has been at the forefront of fastener development and innovation. Grade5 cap screws shall be heat treated, oil or water quenched, at the option of the manufacturer, and tempered at a minimum. Iso socket head screw size data table chart iso din bs en 4762. Socket head cap screws inch series grip length thread length notes. X represents one location such a marking may appear. Length of a cap screw is measured from the underhead bearing surface to the extreme end of the screw. However, an unch mfered end is permitted for sizes m4 and sm ller.
However, unbrako socket cap screws are consistently maintained at 190,000 and 180,000 psi depending on screw diameter. If all else fails, you may want to use our drill size conversion table or our tap drill size calculator. All data is correct to the best of our knowledge, however tr cannot be held responsible for any errors or omissions. How do i determine the wrench size or hex key size for hex. With a deeper drive than flat and rounded head screws, socket head screws withstand more torque for a tighter hold. Lg is the maximum grip length, and represents the minimum design grip length for the screw. Hexagon socket countersunk head screw07400 hexagon socket countersunk head screw07407 a iso 10683 zinc flake surface coating eliminates the possibilities of damage which can arise due to hydrogen embrittlement. The length of thread shall be measured, parallel to the axis of the screw, from the extreme point to the last complete full form thread. Thr ead lengt b diameter of unthreaded shank ds hex socket width across corners. Inch series button head socket cap screws nominal size d basic screw diameter a head diameter max. Get free 2day shipping on qualified socket head cap screws products or buy hardware department products today with buy online pick up in store. Nominal screw sizes m5 and larger have six drilled holes. For standard size bolts where the head usually sits above the surface, the measurement is from directly under the head to its end.
Ordinary bolts socket head cap screws ordinary bolts socket head cap screws compact spacing high tensile and yield strength high shear strength three screws do the work of five clearance for socket wrench no wrench clearance necessary dimensions and tightening torques iso metric threads applicable or similar specifications. Socket head shoulder screws, dowel pins, and slotted set screws. Metric socket head cap screws din 912 bs 4168 iso 4762 materials and finishes steel 12. Counterbored holes dimensions inch usa socket head cap screws. Use the mudge fasteners bolt head size chart to determine the head size, and wrench or socket size required, for any hex bolt or lag screw you use.
Browse metric socket head cap screws din 912 in the coburnsmyers online catalog and search by type, diameter, pitch, length, material and finish. Unless specified below, current revisions of national or international standards. How do i determine the wrench size or hex key size for hex head bolts and socket heads. Dimensions of counterbore and bolt holes for hexagon socket head cap screws.
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