Standard Size Bolt And Nut Dimensions Table Pdf

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Standard size bolt and nut dimensions table pdf. Table of contents page screws round head screws 1 1 various head styles machine scerws 1 2 to 1 23 tapping screws approx. Non preferred threads according to standard. Typical clearance hole sizes are given in the table below along with the correct tapping hole size for each size of standard and fine pitch thread. With metric threads tapping drill size is easy to work out because it is the bolt diameter minus the thread pitch so for example a standard pitch m16 bolt has a pitch of 2 0mm so the tapping drill size is 16 2 14mm.

Standard 11 2 u bolts long tangent 11 3 eyebolts regular pattern 11 4. Hexagon nut and bolt sizes. A 325 type 3 a 449 type 1 diam 1 5 diam 1 5 a 354 grade bd a 490 type 1 a194 grade 2h. The following table of thread sizes for coarse and fine pitch thread was created using the standard sizes from asme b1 13m.

Metric millimeter bolt and nut substitutions will be allowed in accordance with these tables. Metric hex nut dimensions calculator. Always consult the manufacturers instructions or engineering recommendations when making bolted connections. They have a large flat head.

No substitution will be allowed for any a325 bolts supplied under 715 14 and used for structural connections on bridges unless approved by the dces. J bolts shoulder bolts j shaped bolts are used for tie downs or as an open eye bolt. Nut dimensions inch and metric reference. Elevator bolts elevator bolts are often used in conveyor systems.

The hexagon sizes shown in the tables should be used as a guide only. Coarse pitch threads are preferred and should be used whenever possible as stated in asme b1 13m. Individual sizes should be checked before specifying any. M12 1 75 21 0 20 16 24 25 22 78 13 1 12 0 actual size across flats.

A bolt with a circular ring on the head end. Nuts as1112 4 6 4 6. Bolts as 1111. Refer to nut dimensions below for washer face dt general dimensions of structural nuts as1252 1983 nom.

Determine the maximum torque according to bolt nut size and grade. Iso 4032 1999 hexagon regular nuts style 1 product grades a and b. All dimensions are given in millimeters. Shoulder bolts also known as stripper bolts are used to create a pivot point.

Thread pitch width across flats width across corners nut height washer face or chamfer dia. Us hex bolt sizes and thread pitches continued mm 10 20 30 40 50 60 70 80 90 100. Used for attaching a rope or chain.