Socket head cap screws n 1960 series n dimensions mechanical. For example, a hex cap screw with a 12 thread diameter, threads per i nch, and a 2 length could be listed. The m3 and m4 nominal screw sizes have two drilled holes. The higher tensile strength of unbrako socket screws can be translated into savings. Understanding screw sizes inch standards screws with a diameter smaller than 14 have a nominal size indicated by a number e. The shoulder diameter is the basis for the determination and callout of the screw size. Socket head cap screws n 1960 series n dimensions n mechanical properties head markings may vary slightly depending on manufacturing practice.
The diameter refers to the major diameter, or outside edge, of the threads. Serrations under the head grip the bearing surface to prevent loosening. Chart showing 60 types of screws, screw heads, bolts, nuts and washers chart finding the right type of screw head for your project when there are hundreds of combinations of the drive type and head shape can be confusing, especially for beginning diyers. Socket head cap screws are designed to be used with the head protruding or counter bored. Button head socket cap screw dimensions screws may be fully or partially threaded. Standard machine and set screws are threaded fasteners with a variety of drive and head styles available, such as slotted, phillips, hex, socket head, pan head, round head and fillister head. Incomplete threaded portion 2p or less drill bottom min. Screw plain 102602 stainless steel 188 inch 104 stainless steel 316 inch.
A screw is a type of hardware fastener that attributes its mechanical capabilities to the helical groove that extends around the circumference of the devices shank. Refer the following table for metric allen key sizes and dimensions for corresponding socket head cap screw based on iso 4762din 912 standards. Unbrako engineered fasteners have been put to the extreme test in such performance sensitive areas as small engines, braking systems, power generating equipment, heavy manufacturing, and commercial printing equipment. Table 3 suggested torque values and clamp loads for sae. The minimum length of thread shall be equal to 12 the nominal screw length plus 0. This window displays dimensional data for a large number of inch and metric socket head cap screws. Bolt depot drive sizes for metric allen drive screws. Tension on the socket cap screw is induced by rotation of the screw head. 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. How do i determine the wrench size or hex key size for hex. The self colour screw surface finish for self colour is black oxide after heat treatment. B7 alloy heavy hex head cap screws designed for high temperature, high strength applications, these screws meet astm a193 grade b7 specifications.
Machine screws, sheet metal screws, all thread rod, carriage bolts, lag screws, structural a325 bolts, concrete. The information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. For fasteners where the head usually sits above the surface, the measurement is from directly under the head to the end of the fastener. Product catalogue socket screws fortress fasteners. All the information provided on this website is provided on an as is and as commonly used in production basis and you agree that you use such information entirely at your own risk. Inch series flat socket head cap screws continued mechanical properties and tightening torques nominal size basic screw diameter tensile strength pounds min. Dimensions mechanical properties application data iso 10642 dimensims mm. If the screw size includes a dash with a number following it, that is the. Same day shipments are also available on most items. Inch series flat socket head cap screws msc industrial direct. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36. Allen key sizes and dimensions for checking accessibility.
Ansi hardware design guides iso metric hardware design guides. The most common standard socket cap screw is to din 912 in 12. Add standard and customized parametric components like flange beams, lumbers, piping, stairs and more to your sketchup model with the engineering toolbox sketchup extension enabled for use with the amazing, fun and free sketchup make and sketchup pro. Socket head cap screws metric body and grip lengths. Ansi socket head screw engineering dimensional data table chart. All data is correct to the best of our knowledge, however tr cannot be held responsible for any errors or omissions. For screw over 1 inch in diameter, fully threaded when nominal length, l screw dimensions. The shoulder and thread pitch diameter shall be concentric within 0. Socket head cap screws require assembly with a hex key allen key or a hex bit driven by an impact tool. Bo metric, socket head cap screws, iso 4762, class 10.
Bolt and stud lengths are based on usable thread depth. The m3 and m4 nominal screw sizes have two drilled holes spaced 180 degrees apart. The size of a metric screw or bolt is specified as diameter, pitch and length, in millimeters millimeters is abbreviated mm. Its very common to see a hole and counterbore identified on a blueprint as being designed for a specific socket head cap screw rather than with actual dimensional values. Screws, standard machine and set, cap, hex head slotted, selfsealing washer option s1606s from accurate screw machine corp. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than. For fasteners that are designed to be countersunk, the measurement is made.
This international standard specifies the characteristics of hexagon socket head cap screws with metric fine pitch thread with nominal thread diameters, d, from 8 mm up to 36 mm and product grade a. Hex cap screws dimensions atlanta rod and manufacturing. Metric, socket head cap screws, iso 4762, class 12. Socket head cap screws tools assortments screws by head style screw extractors non metric screws inch nuts and washers metric machine screws.
Diameters ranging from m2 to m52 in a2 and marine grade a4 stainless steel as well as aluminum, brass nylon and steel. 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. Dimensions of counterbore and bolt holes for hexagon socket head cap screws technical data hexagon socket head cap screws excerpts from jis b 1176 1999. Manufactured from 4140 steel, they are clearly marked for ease of inspection. Screws come in a wide variety of shapes and sizes, so thread callouts are used to help identify them.
Size inch p to p metric p to p maximum torque range wiha bit wiha screwdriver. The work of preparing international standards is normally carried out through iso technical committees. Type of cap screw with a cylindrical head and hexagonal drive hole. Metric socket hd cap screw dimensions west coast fasteners. They should be used where high strength and ease of installation are required. The length of thread, lt, is the distance from the extreme point to the last complete full form thread. Displays dimensions for inch and metric socket head cap screws.
These sizes list a second length for these holes only. Metric socket head cap screws din 912 bs 4168 iso 4762 materials and finishes steel 12. The washerlike fl ange under the head helps distribute the clamping load. Screw size body diameter hex key size head height head diameter max.
Screws too short for this formula shall be threaded as close to the head as practicable. Socket head cap screws are a headed and externally threaded part designed for insertion through a close tolerance, internally tapped hole and mated with a nut. Using fewer socket screws of the same size can achieve the same clamping force in the joint. Metric hex cap screws eagle fastener maintains a large inventory of metric cap screws. Engineering ansi hardware design data engineering metric hardware design data.
If all else fails, you may want to use our drill size conversion table or our tap drill size calculator. Socket head cap screws inch socket head cap screws. Tvs fasteners price list 2014 pdf, tvs fasteners price list pdf, tvs fasteners price list 2012 pdf, tvs sundram fasteners price list, tvs fasteners price list, tvs make fasteners price list, price list of tvs fasteners, tvs fasteners price list 2015. Iso the international organization for standardization is a worldwide federation of national standards bodies iso member bodies. Performance data listed are for standard production items only. Diamond knurls, unbrako, and unb are recognized identifications for 14 diameter and larger.
Ansi socket head screw engineering dimensional data table chart per asme ansi b18. Inch series socket head shoulder screws msc industrial direct. Hexagon socket head cap screws excerpts from jis b 1176 1999. Fastenerdata socket cap screws fastener specifications. Standard lengths must be used on all other flange holes. Rounding beneath neck interior of hexagonal hole may be chamfered. Hexagon socket head cap screws, allen screws are used in a lot of applications where strength is required or the number of fasteners used needs to be reduced because of limited area, the internal hexagon is tightened with a hexagon wrench key and may be used where the head of the screw must not protrude above the clamped surface, the head is accommodated in a counterbored hole.
There is a hex socket in the head that accepts a hex wrench to tighten the socket cap screw. H d c l b f t w lt y lg lb r a 30o x product standards require the manufacturers head marking to appear on the top of all bolts 14 diameter and larger. However, unbrako socket cap screws are consis tently maintained at 190,000 and 180,000 psi depending on screw diameter. Hex cap screws, inch series, grade 5 barnhill bolt. For use with internal socket head type torx screws. For partially threaded screws, manufacturing standards allow thread lengths to vary between the minimums and maximums listed in the tables below.
Suggested seating torque values, only apply to metric grade 12. Full dimensional tables including product photographs and drawings are available by clicking on the item. The above specification is for coarse threads only. Product standards require the manufacturers head marking to appear on the top of all cap screws 14 diameter and larger. The information available from our sources is usually sufficient for all computer related drill or screw requirements world wide. Cap screws shall be fabricated from austenitic corrosion resistant steel of types 188, aisi 384, or equivalent types, and shall have a minimum tensile strength of 80,000 psi for sizes up to and including 58 in and 70,000 psi for sizes larger than 58 in. 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. For screw over 1 inch in diameter, fully threaded when nominal length, l socket head cap screws 1960 series continued nominal screw diameter nominal screw length length tolerances 716 through 34 through 1 inch 0. Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes.
We will only contact you to send order updates or if there is a problem with your order. Bolt and cap screw grades can be identifi ed by their headmarks as shown above. Screw size body diameter hex key size head height metric socket head cap screws. The first time you see a callout can be a little confusing, but its pretty straightforward once you. Tvs fasteners price list tvs bolts and nuts price list. The above are types of screws with a cylindrical head and an internal hexagonal drive. Heavy hex head cap screw dimensions alma bolt company. Hexagon head cap screw thinner head often used as screw in threaded hole, without nut socket head cap screw usually more precision applications access from the top machine screws usually smaller sizes slot or philips head common threaded all the way. Add the engineering toolbox extension to your sketchup from the sketchup. There is an exception thoughif pitch isnt specified, the fastener is coarse threaded.
How to measure fastener length fastener length is measured from where the material surface is assumed to be, to the end of the fastener. 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. 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. Such steel machine screws of a size to be tested shall meet the tensile. 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. Drill and counterbore sizes for socket head cap screws per. Metric din 933 hexagon head cap screws bolts full thread. Hexagon socket head cap screws excerpts from jis b 1176 1999, 2000 g s e odk w oda ods t kl 120 d. Any information you enter on our website is used for shipping purposes only. Engineering toolbox sketchup extension online 3d modeling. Metric socket head cap screws size table engineers edge. For diameters 14 through 716 inch, it is permissible to use aisi 1541 steel. Plating see appendixa for information on the plating of steel lag bolts. Lb is the minimum body length and is the length of the unthreaded cylindrical portion of the shank.
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