Reduced Loadability of Countersunk Socket Head Cap Screws.

Alexander Sharp B.Eng (Mechanical) UTS Fasteners with reduced loadability have the material properties in accordance with an appropriate standard but are unable to achieve full tensile capacity due to geometry.

UNF Countersunk Socket Head Screws

Screw Bolt Anchors for Bottom Plate to Slab Connections

UNE EN ISO 10642:2020 Fasteners - Hexagon socket countersunk head

BN 1422 - Screws and bolts with internal drive

Surface Discontinuities

Schematic for cap screw joint under transverse cyclic loading

Limited tightening torque of different bolt's head type

Screw Bolt Anchors for Bottom Plate to Slab Connections

CSK Socket Head M8 (8mm) x 20mm Allen Cap Stainless Steel SS Screw