6BA 4BA 2BA Socket Screw Countersunk High Tensile 10.9 BS 2470

Description

6BA, 4BA. 2BA Countersunk, Hex or Allen Socket Screw/ Bolt, 10.9 High Tensile Steel,BS2470

Fixaballsells all lengths of6BA, 4BA and 2BAcountersunk, socket screw/ bolts in10.9 Grade High Tensile Steel.

Hex/ Allen Socket Countersunk Screw/ Bolts Description

Countersunk fasteners are designed to fit flush on the connecting surface when fully tightened. They are tightened and loosened with an allen/ hex key drive.

How to measure a countersunkfixing/ fastener

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

Orders placed before 2pm are dispatchedsame day (Mon-Fri).

Standard, Free Delivery is Royal Mail, 2nd Class (2-5 days, most likely 2 days). For a faster delivery time, select 1st class or courier at checkout.

Please make your, ‘No. of Items in Pack‘, ‘Length‘ and, ‘Quantity‘ of packs selection from the drop down menus.

FULLY THREADED (FT)

6BA, Hex/ Allen Socket, Countersunk Screw/ Bolt Descriptions and Lengths

6-BAx1/4″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

6-BAx5/16″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

6-BAx3/4″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

4BA, Hex/ Allen Socket, Countersunk Screw/ Bolt Descriptions and Lengths

4-BAx3/8″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

4-BAx1/2″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

4-BAx5/8″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

4-BAx1″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

2BA, Hex/ Allen Socket, Countersunk Screw/ Bolt Descriptions and Lengths

2-BAx3/4″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

2-BAx1″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

2-BAx1.1/4″,(FT) SOCKET COUNTERSUNK HEAD SCREWS BS 2470 BA SELF COLOUR

BA (British Association) Threads

BA screw threads, named after the British Association for Advancement of Science, were devised in 1884 and standardised in 1903. Screws were described as “2BA”, “4BA” etc., BA threads are specified by British Standard BS 93:1951 “Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A.” They are associated with metric units of measurement.

Available Material: High Tensile 10.9 Grade.

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 illustrative purposes only.