Of studs diameter of studs raised face flange stud length ring joint flange stud length 12 4 12 78 214 34 4 12 78 212 1 4 12 78. Mlid steel countersunk square plough bolts mlid steel countersunk nib bolts 6. This is called the major diameter and will usually be the proper size of the bolt. Why specified torque is sometimes lower than the maximum. This procedure covers the tightening of nuts on a double nut anchor bolt system using anchor bolts with 55ksi or 105ksi minimum yield strength and unc or 8un thread series to secure structures to drilled shaft foundations. The following definitions apply to the anchor bolt tightening procedure.
Sud bolt lengths l do not include the height of points. Length of bolts l is shown in millimetres rounded to the nearest 5mm. General dimensions of structural bolts as1252 1983 bolt dia. Hex bolts dimensions table din 933 din 931 size chart. Us hex bolt sizes and thread pitches bolt depot nuts. Fastener guides measuring screws and bolts fastener. For such needs we offer heavy bolt heads and nut sizes. Finished hex head bolts grade 2, 5, 8 and l9 sae grade 2, astm a307 plain hc020 zinc. 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.
Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose. View our conversion chart to find out what size heavy hex nut that you need for your job. The bolt chart provides both us and metric stud sizes. Although the head dimensions for structural bolts are the same as any heavy hex headed fastener per asme b18. Metric hex bolt diameters and thread pitches mm 10 20 30 40 50 60 70 80 90 100 110 120. Width across flats width across corners height of head d p ds s e k max. Hex nut dimensions fmw fasteners premium nuts, bolts.
Standard ubolt figure 283 carbon steel figure 283pvc pvc coated figure 283ss stainless steel our standard u bolts are recommended for use as supports or guides for piping. Flange dimensions are determined by the pipe size and the pressure class required for the application. Technical specification for metric hexagonal bolts, nuts, coach. Standard ubolt figure 283 carbon steel figure 283pvc.
Expansion bolt, often called the molly bolt, for hollow walss plaster board toggle. Us hex bolt sizes and thread pitches continued mm 10 20 30 40 50 60 70 80 90 100. Astm f3125, grade a325, type 1 mechanical properties. Specification for structural joints using astm a325 or. Flange dimensions large class 150 30 thru 48 phone. Elevator bolts elevator bolts are often used in conveyor systems. Find a more comprehensive fastener type chart at carriage.
The following formula was used in establishing stud bolt lengths listed in. Stud bolts, astm a193a193m and asme sa193sa193m, grade b7 stud with 2h heavy hex nut, plain, assembly the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Hexagon head bolts, screws and nuts of product grades a and b, part 1. Metric thread specification is given through iso standards. Machine bolt lengths l include the height of point. Heavy heads and nuts bolt users may require a bolt head or nut of greater width to compensate for wide clearance in bolt holes or unusually heavy loading. If you are working with a325 structural bolts on a regular basis, we strongly recommend purchasing a copy of the astm a325 specification from astm international. Bolt sizes for ansi 150 to 1500 class flanges dimensions inches ansiasme 150 600 lb. Heavy hex structural bolt assembly, a325, type 1, heavy.
Dimensions astm a325 a325 structural bolts astm a325. The figure 283pvc is for support of piping where contact with the pipe is not desired. Shoulder bolts also known as stripper bolts are used to create a pivot point. Metric millimeter bolt and nut substitutions will be allowed in. The length shown includes the height of the raised face in all cases. To measure the diameter of screws and bolts, you measure the distance from the outer thread on one side to the outer thread on the other side. Connections made with bolts, rivets or pins in en199318. Metric bolt size chart stud bolt to nut size chart. Metric millimeter bolt and nut substitutions will be allowed in accordance with these tables. Stud bolt with nuts point height l api type 6b flange l s figure 2. We provide both stocked and custom anchor bolts, anchor bolt assemblies, threaded rod, bolts, bent bolts, nuts.
Heavy nuts are quite common and readily available in various types and sizes but heavy head bolts have more limited availability. Bolts are regularly marked to indicate their strength, which is dependent on the material and dimensions of the bolt. J bolts shoulder bolts j shaped bolts are used for tiedowns or as an open eye bolt. How to figure out the size of screws, bolts, and nuts. Nut and washer sizes indicate the screw or bolt they fit. Length is measured from under the head to the end of the bolt note. In addition, typographical changes have been made throughout this specification. Metric hex bolt diameters and thread pitches bolt depot. Purchase the unique quantity you need from fmw fasteners today.
Locate the bolt diameter and grip length total thickness in the table to find the required dash size. Measure the total thickness of the parts being bolted together not including washers, nut, or female threads. Always consult the manufacturers instructions or engineering recommendations when making bolted connections. Use the dimensions of your bolt to determine the appropriate size nut. All bolts shall have a thread length in accordance with table 1 of as 1111. Standards for dimensions and tolerances are issued. Bolt diameters under a 14 are in number sizes from 0 to 12 o to find the diameter of these use this formula. Din 933 1987 this standard contains specifications for fully threaded hexagon head screws with coarse metric thread for diameters m 1. No substitution will be allowed for any a325 bolts supplied under 71514 and used for structural connections on bridges, unless approved by the dces. Carriage bolts and lag bolts 37 square bolts 38 step bolts and countersunk head elevator bolts 39 nuts finished and heavy hex nuts 41 hexagon machine screw nuts 42 type a forged wing nuts 43 hex slotted nuts 44 hex and heavy hex jam nuts 45 to 46 hex castle nuts 47 large diameter hexagon head cap nuts 48. After printing, measure the ruler in the margin to ensure correct scale. Astm a563 grade c, c3, d, dh or dh3 astm a194 2h is also acceptable. A short guide to metric nuts and bolts dd thomson engineering. Make sure to print this chart to actual size no scaling.
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