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M3, M4, M5, M6, , Socket Screw, Countersunk, A2/ 304 Stainless Steel, DIN 7991.

M3, M4, M5, M6, Countersunk, Socket Screw/ Allen Bolt, A2/ 304 Stainless Steel, DIN 7991. Fixaball sells all lengths of M3, M4, M5 and M6 countersunk socket screws in stainless at the...
£2.39

M3, M4, M5, M6, Countersunk, Socket Screw/ Allen Bolt, A2/ 304 Stainless Steel, DIN 7991.

Fixaball sells all lengths of M3, M4, M5 and M6 countersunk socket screws in stainless at the best internet prices with free 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 (widest point 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.

Countersunk Head

The length of a countersink fixing/ fastener is always from tip to the top.

Material

Material/ Finish

Appearance

Level of Corrosion Resistance

Typical Application

High Tensile Steel (10.9)

Self-Colour (black with no surface treatment)

Low, without further surface treatment

· No exposure to moisture

· Often Greased/ Oiled

 

     

     Image is for illustration purposes

     

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