M12 x 25mm, Hex Bolt, High Tensile/ 8.8, Self Colour. DIN 931.
We stock a full range of bolts with all head, material and thread types
Bolt is the term used for a partially threaded fastener, with a head; designed to be used with a nut and washer. They come with the following formed heads:
Hex Head, Round Head, Cheese Head, Countersunk Head, Socket/ Allen Cap Head
They come in the following materials:
High Tensile, Zinc Plated, Brass, A2 Stainless (regular), A4 Stainless (marine)
Metric Coarse and Metric Fine (M1, M2, M3.... M10, etc.) dimensions are measured in Millimetres (mm) units and were developed to simplify the imperial systems. Europe moved to this system but the Americans choose Imperial as their default. A coarse thread has less helical coils per mm and a fine one has more. Coarse is used for heavier loads and fine is used for lighter loads prone to vibrations.
Bolt vs Screw
A screw screws into something, a bolt joins several things together from both sides of materials joined. A screw is fully threaded from underneath the head and a bolt is partially threaded (has a part-plain shank)
Image is for illustrative purposes only.
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