BSW, Whitworth 5/16", Socket Screw, Cap Head, High Tensile/ 12.9, DIN 912.

BSW, Whitworth 5/16", Allen/ Hexagon Socket, Cap Head, Screw/ Bolt, High Tensile (12.9), BS 2470. Socket Capscrews | Inch ANSI/BS 1936 | Here at Fixaball, we stock all available lengths of BSW, 5/16",...

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BSW, Whitworth 5/16", Allen/ Hexagon Socket, Cap Head, Screw/ Bolt, High Tensile (12.9), BS 2470. Socket Capscrews | Inch ANSI/BS 1936 |

Here at Fixaball, we stock all available lengths of BSW, 5/16", Allen/ Hexagon Socket, Cap Head, Screw/ Bolt, High Tensile (12.9), BS 2470 at the best internet prices and free delivery.

Orders placed before 2pm are dispatched same day (Mon-Fri). Postal upgrades available at checkout.

5/16" BSW Socket Cap Screw/ Bolt Lengths Available

5/16"-18x3/8",(FT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x1/2",(FT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x5/8",(FT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x3/4",(FT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x7/8",(FT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x1",(FT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x1 1/4",(FT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x1 1/2",(FT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x1 3/4",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x2",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x2 1/4",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x2 1/2",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x2 3/4",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x3",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x3 1/4",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x3 1/2",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

5/16"-18x4",(PT) BSW SOCKET HEAD CAP SCREW RC39-43 SELF COLOUR

Allen/ Hexagonal Socket, Cap Head, Screw/ Bolt

Allen/ Hexagonal, Socket Cap Screw/ Bolts 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 inch (from the underside of the head), depending on the diameter. As the diameter increases the set length will increase. Over around 1 inch (depending on the diameter) in length the fastener will have a, 'shoulder,' or unthreaded area (plain shank) under the head. This space of unthreaded area confirms that the fastener is now a bolt (cap head, bolt in this case). 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.

Available Materials: High Tensile (12.9 Grade) - Black/ Self-Colour

Material/ Finish

Appearance

Level of Corrosion Resistance

Typical Application

High Tensile Steel (12.9)

Self-Colour (black with no surface treatment)

Low, without further surface treatment

- No exposure to moisture

- Often Greased/ Oiled to prevent oxidisation/ rusting

UNITS OF MEASUREMENT FOR THREAD TYPES

British Standard Whitworth (BSW)

A thread form developed by Sir Joseph Whitworth in 1841. The thread form has rounded roots and crests, a thread angle of 55 degrees, the thread form is specified in BS 84: 1956

Image is for illustrative purposes only.