This standard specifies dimensions and technical delivery conditions for stud bolts with metric thread made of steel, stainless steel or nonferrous metal. Plain black metric socket head cap screws with coarse thread grade 12. This standard contains specifications for fully threaded hexagon head screws with coarse metric thread for diameters m 1. To avoid confusion, we always include the thread pitch for.
Din 933 hex screws have a fully threaded shank and are manufactured to very strict tolerances. Iso metric screw thread chart 1st 2nd height flat size external diameter choice choice h mm af mm ac mm 10. The organization of the book is designed to make it easy for the user to find his information in whatever module he is working. Din 976 metric thread stud bolts dimensions, specifications, standard, weights, equivalent and download pdf email. Jbolts shoulder bolts j shaped bolts are used for tiedowns or as an open eye bolt. Bolt head style such as button, hex, flat, round, and square are common in metric bolts. For such needs we offer heavy bolt heads and nut sizes. A short guide to metric nuts and bolts dd thomson engineering. General requirements for bolts, screws, studs and nuts 3 dimensions stud bolt dimensions shall be as given in. Shoulder bolts also known as stripper bolts are used to create a pivot point. A hex bolt with metric thread pitch made from medium carbon steel and heattreated.
Make sure to print this chart to actual size no scaling. Metric millimeter bolt and nut substitutions will be allowed in accordance with these tables. Metric bolts and metric fasteners are mostly commonly used in standard construction and equipment fastening in todays world. Standard us hex bolt sizes and thread pitches scale check. Width across flats width across corners height of head d p ds s e k max. The source for all your metric sized fastener needs address. Metric bolts tightening torques engineering toolbox. Iso metric screw threads are designated by basic diameter and thread pitch. Requirements l axis of screw thread basic major diameter minor diameter basic pitch diameter l description a metric machine screw is a straight shank fastener with a metric thread pitch designed to go through a hole or nut that is pretapped to form a mating thread for the screw. Improvised torque wrench improvised torque wrench with luggage scale. Fasteners bolts, nuts and threaded rods torque, tension and loads.
No substitution will be allowed for any a325 bolts supplied under 71514 and used for structural connections on bridges, unless approved by the dces. Supplier of metric nuts, bolts, screws, washers and. Bolts, screws and studs with specified property classes coarse thread and fine pitch thread. Sockets, bolts, screws, nuts dimensions of most common heads all measurements in mm din dia illustration m1. Metric bolts, metric screws, and metric fasteners are available in both full and partialthread bolts. Understanding metric fasteners fastener mart bolts. Metric bolts can come in a variety of types including carriage bolts, elevator bolts, eyebolts, hex bolts, t bolts, flange bolts, and u bolts. Jan 17, 2019 for specification of imperial bolts thre and hole countersunk hole an overview sciencedirect topics socket head cap wrench sizes fastener handout fastener handout countersunk hole an overview sciencedirect topicscountersunk hole an overview sciencedirect topicsdrill and counterbore sizesdrill and counterbore sizes for socket head cap s perholes chartssizes sizing chart socket cap asmhelicoil. Applications advantages has greater tensile strength than class 4. Metric bolts minimum ultimate tensile and proof loads. Bolt torque calculator calculate required bolt torque. All data is correct to the best of our knowledge, however tr cannot be held responsible for any errors or omissions. Proof loads and tensile stress metric hexagon bolts. Correct drill size for tapping metric threads in holes.
Metric countersunk hole dimensions chart a pictures of hole. The following sizes of metric din 933 hexagon head cap screws bolts are available for immediate shipping from stock. Requirements l axis of screw thread basic major diameter minor diameter basic pitch diameter l description a metric machine screw is a straight shank fastener with a metric thread pitch designed to go through a hole or nut that is pre. General dimensions of structural bolts as1252 1983 bolt dia. U bolts socket screws, also known as allen head, are fastened with a hex allen wrench.
Bolt head style such as button, hex, flat, round, and square are common in. Commercially available hexagonalhead bolts with standard hexagonal. Din 933 1987 this standard contains specifications for fully threaded hexagon head screws with coarse metric thread for diameters m 1. Choose from metric hex, flange and lock nuts with coarse or fine thread. Many metric bolts denote the use of metric measurements with an m at the start of the bolt designation, such as m9x1. Iso metric hardware specifications table chart engineers edge. To provide users of fasteners with dimensional and. Stainless steel 316 a4 also known as a4 stainless, 316 is. There is an exception thoughif pitch isnt specified, the fastener is coarse threaded. Aspen fasteners offers one of the most complete ranges of metric screws, bolts and other inch and metric industrial fasteners for immediate delivery from stock. Fastener grade us or class metric refers to the mechanical proper ties of the. Metric external thread dimensions are given in the external thread chart below according to asme b1.
Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. Stainless steel 316 a4 also known as a4 stainless, 316 is a highly corrosion resistant grade of stainless steel. Fastener reference tables conversions, hardness, thread pitch, tensile strength the tables below are provided as a general guide to help you better understand metric and imperial measurements. Iso 724 metric threads dimensions of metric threads according iso 724. A style 1, heat treated fastener with a metric thread pitch. Iso 724 metric threads dimensions of metric threads according iso 724 lubricated bolts and reduced torque lubrication effect on bolt tension and torque metric bolts head and wrench sizes ansiso, din and jis bolts. J bolts shoulder bolts j shaped bolts are used for tiedowns or as an open eye bolt.
Width across flats wrench size and corners, nut height thickness and thread pitch dimensions are given for nut sizes between m1. Metric hex nut dimensions sizes chart according to iso 4032. Consider this size heres what the description means. Thread pitch diameter, major diameter and minor diameter for m profile external threads are given. Use this tool to distinguish between coarse and fine thread bolts and machine screws, as well as the many thread pitches used on metric bolts and machine screws. Lubricated bolts and reduced torque lubrication effect on bolt tension and torque. Ubolts socket screws, also known as allen head, are fastened with a hex allen wrench. Bolt head style, drive style, material, size, and grade are also important in the selection of metric bolts. Nuts m16 and smaller are chamfered on the top and the bearing surface. Besides using metric measurements, a metric bolt uses the distance between the threads rather than the thread pitch, used in american measurements, which is the number of.
After printing, measure ruler above to ensure correct scale. Metric countersunk hole dimensions chart a pictures of. Metric bolt dimensions atlanta rod and manufacturing. Fastenerdata metric coarse u bolt bolts dimensions. All measurements in millimeters nominal size d body diameter head thickness across the flats across corners d max d min h max h min f max f min c max c min m10 10. Fastener grade us or class metric refers to the mechanical proper. Layover charts for quickly identifying diameter, thread count and other us fastener dimensions. Dimensions of metric din 933 hexagon head cap screws bolts full thread thread d m4 m5 m6 m8 m10 m12 m14 m16 m18 m20 m22 m24 s 7 8 10 17 19 22 24 27 30 32 36 e 7.
The dimensional data in each case is presented for the various products, followed by the application data. Nuts m20 and larger may be double chamfered, or have a washer face on one side and a chamfered surface on the opposite side. Lubricate all contact areas of the bolts and washers. Metric millimeter bolt and nut substitutions will be allowed in. Metric din 933 hexagon head cap screws bolts are externally threaded fasteners with a hexagonal washer faced head and a chamfered tip to facilitate mating with an internally threaded component. Supplier of metric nuts, bolts, screws, washers and fasteners. Metric hex bolt diameters and thread pitches mm 10 20 30 40 50 60 70 80 90 100 110 120 140 150 160 170 180 190 200 210 220. Dimensions of cross recessed flat countersunk head machine screws. Metric din 933 hexagon head cap screws bolts full thread. Choose from our selection of metric bolts, including over,800 products in a wide range of styles and sizes. Besides using metric measurements, a metric bolt uses the distance between the threads rather than the thread pitch, used in. Stainless steel 188 a2 also known as a2 stainless, 188 is the most common grade of stainless steel for general use.
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 hex cap screws finished hex bolts 31 wrench openings for square and hex bolts and screws 32 to 33. A printable paper version of our popular thread gauges. Ultimate tensile and proof loads for metric bolts according iso 8981 mechanical properties of fasteners made of carbon steel and alloy steel part 1. Metric bolts can come in a variety of types including carriage bolts, elevator bolts, eyebolts, hex bolts, tbolts, flange bolts, and ubolts. Gradea bolts are the preferred style for most applications. Bolts l temperature in qc pn20 pn50 pn100 pn150 maximum working pressure in kpa by pn pressure numbers for approximate psi divide by 7 pn250 pn420 25530 42550 1920 5010 10020 15020. Hex headed metric bolts are the standard when it comes to head types. Length is measured from under the head to the end of the bolt note. Nom diapitch nom size x pitch inch bolt torque table sae j429 and asme 574 metric bolt torque table iso 898. Iso metric hardware specifications table chart engineers. Metric hex bolt diameters and thread pitches mm 10 20 30 40 50 60 70 80 90 100.
896 385 643 835 1108 1152 73 206 1371 776 1531 294 589 812 846 1361 522 890 88 870 8 1080 94 887 85 841 1498 909 1121 438 520 179 282 498 986