M8 - M16, Countersink, Socket Screw, A2 Stainless Steel.

M8, M10, M12, M16, Countersink, Socket Screw/ Allen Bolt, A2 Stainless Steel, DIN 7991.  Fixaball.co.uk sells all lengths of M8, M10, M12 and M16 countersunk socket screws in stainless at the best...
£1.82

M8, M10, M12, M16, Countersink, Socket Screw/ Allen Bolt, A2 Stainless Steel, DIN 7991. 

Fixaball.co.uk sells all lengths of M8, M10, M12 and M16 countersunk socket screws in stainless at the best internet prices with first class post.

Orders placed before 2pm are usually dispatched same day (Mon-Fri).

Socket Countersunk Screws come as 'sets' and 'bolts'. The, ‘SET’, term is used to describe a fastener that is fully threaded in lengths up to and around 1-2 inches (from the underside of the head. Over 1-2 inches in length the fastener will have a, 'shoulder,' or unthreaded area under the head (plain shank). This space of unthreaded area confirms that the fastener is now a bolt (cap head, bolt in this case) and is shouldered. Some people might simply call them Allen or, 'Allan bolts,' in association with the Allen, Hexagonal Key which is used to tighten and loosen the fastener. So, ‘Socket,’ refers to the hexagon shaped indentation found on the top of the fasteners’ head.

Countersink Head

A countersink head is sometimes called a, 'countersunk.' Without sounding/ being anal, this is technically incorrect. The term, 'countersunk,' refers to the form of the hole the fastener goes into. So, countersink heads are conical in form so that the fixing/ fastener can sit flush (flat) with the fastened material. The length of a countersink fixing/ fastener is always from tip to the toe.

Material

Material/ Finish

Appearance

Level of Corrosion Resistance

Typical Application

A2 Stainless Steel

Dull Shine

External

· Intermittent weathering

    Metric Coarse and Metric Fine

    Are in Millimetre (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.

     

     Image is for illustrative purposes only.

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