The splined type and are a press fit into holes drilled in the hubs.
Early model studs had a smaller diameter spline than the current versions but are now unavailable. To fit the current studs, the holes in the hubs will need to be redrilled to 13.75mm or 17/32″.
Trojan Wheel Nuts have tapered seats and suit all common wheels. Zinc plated.
UNIT: PKT 5
THREAD: 7/16″ UNF
NUT HEX AF: 3/4″
DRILL DIA: 13.75mm