The size of a metric screw or bolt is specified as diameter pitch and length in millimeters millimeters is abbreviated mm.
Metric bolt and nut dimensions table pdf.
Head sizes may differ from what is shown due to differences between metric standards length 16mm 12mm 8mm 7mm 6mm 5mm 4mm 3mm 10mm 14mm coarse thread fine thread coarse thread fine thread coarse thread fine thread super fine thread coarse thread fine thread super fine.
Metric stud bolt to nut size chart.
Length is measured from under the head to the end of the bolt note.
Iso 4032 1999 hexagon regular nuts style 1 product grades a and b.
Us hex bolt sizes and thread pitches continued mm 10 20 30 40 50 60 70 80 90 100.
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.
Metric hex nut dimensions calculator.
There is an exception though if pitch isn t specified the fastener is coarse threaded.
A bolt with a circular ring on the head end.
Shoulder bolts also known as stripper bolts are used to create a pivot point.
J bolts shoulder bolts j shaped bolts are used for tie downs or as an open eye bolt.
They have a large flat head.
Use the dimensions of your bolt to determine the appropriate size nut.
Galvanised class 4 6 fortress engineers bolt nut galvanised class 4 6 size pack qty code size pack qty code m8 x 20 100 bnm820g m12 x 25 75 bnm1225g m8 x 25 100 bnm825g m12 x 30 75 bnm1230g.
For nuts size will appear as diameter and pitch.
Here s what the description means.
The bolt chart provides both us and metric stud 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.
Elevator bolts elevator bolts are often used in conveyor systems.
Free bolt size charts screw charts nut size charts all charts are downloadable and printable pdf formats great online mechanics tools for metric and us bolt nut and screw charts there comes a time when every mechanic could use a quicker way to help measure their nuts and bolts.
Consider this size m8 1 0 x 20.
Used for attaching a rope or chain.
Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose.
All dimensions are given in millimeters.
Nut dimensions inch and metric reference.
Hole sizes 1 24 thumb and wing screws 1 25 to 1 27 b7 studs and nuts stud bolts for pressure temperature piping 2 1 general purpose end to end studs 2 2 tap end stud bolts 2 3 double end stud bolts 2 4.
Metric millimeter bolt and nut substitutions will be allowed in accordance with these tables.
