1/2” UNC (5/8”) x 5 1/2”, Socket Shoulder Screw, Self-Colour, Grade 12.9, ANSI B18.3 Quantity Break:Qty Price Break - 10 A countersunk concrete screw is

A countersunk concrete screw is a screw designed for use in concrete and masonry with a flat countersunk head designed to sit flush with the surface once installed

and a threaded lower section

Overall length: 560mm

MDF & laminates

Conforms to ASME B18

1/2” UNC (5/8”) x 5 1/2”, Socket Shoulder Screw, Self-Colour, Grade 12.9, ANSI B18.3 Quantity Break:Qty Price Break - 10 A countersunk concrete screw is1 2 Socket Shoulder Machine Screw High strength engineering screw manufactured to ensure thread and shaft consistency. A self colour shoulder screw with a shouldered section that functions as a dowel, pivot, or axle, allowing movement around it. Conforming to ANSI B18. 3 standards and manufactured from self colour, grade 12. 9 high tensile steel. Also known as a shoulder bolt and consisting of a socket cap head, an enlarged unthreaded ground shoulder