Foreword
1 Scope
2 Normative references
3 General dimensions
4 Length of bolts and screws
5 Ends of bolts and screws
6 Screw threads
7 Length of thread
8 Nuts - Squareness of thread to face
9 Chamfering and facing
10 Diameter of shank of bolt
11 Drilled bolts and split pin holes
12 Material and manufacture of steel bolts and screws
13 Mechanical properties of bolts and screws
14 Strength grade designation system for steel nuts
15 Material and manufacture of steel nuts
16 Mechanical properties of steel nuts (excluding thin nuts)
17 Marking and identification
18 Finishes
19 Inspection and testing
20 Designation for the purpose of an enquiry or order
Annex A (normative) - Testing of mechanical properties
of steel nuts
Annex B (informative) - Sizes greater than 68 mm diameter
Annex C (informative) - Manufacturers' recommended
range of sizes
Annex D (informative) - Strength grade designation system
for steel bolts and screws
Bibliography