Difficult to source M7 bolts. M7 is an unusual thread size not usually available off the shelf, except
in the realm of spare parts. However, we stock a number of lengths of hex head bolts and hex head set
screws in this thread size.
Bright Zinc Plated (BZP) Class 8 High Tensile Steel - The general purpose high tensile grade for screws and bolts, with a basic level of corrosion resistance.
The most common type of fastener, a hex head bolt is designed to be tightened with a standard spanner
or ratchet and socket. Popularly used in all assemblies, a standard hex bolt is a staple across the world.
Manufactured to ISO 4014 or DIN 931, and therefore includes an unthreaded section of the shaft. A hex
drive permits a greater torque load to be applied to the joint over most other drive types. Please note
that due to manufacturing limitations, all nylon variants of these items are only "similar to" and not
"in absolute accordance with" the standard specified.
Commonly referred to as a setscrew or simply as a bolt. The fully threaded DIN 933 or ISO 4017 should
not be confused with its DIN 931 equivalent. A standard spanner or ratchet is typically used to fit this
product. Used for decades on all types of assembly throughout the world. As with the DIN 931 hex bolt,
the hex drive allows a higher torque to be applied. All parts are to DIN 933 except where shown otherwise.
The alternative standard ISO 4017 specifies differences in head dimensions for M10, M12 and M14 thread
diameters from DIN 933. Please note that due to manufacturing limitations, all nylon variants of these
items are only "similar to" and not "in absolute accordance with" the standard specified.