Bakelite E26 bulb socket smooth skirt and lock screw:
Features: E26 bulb socket smooth skirt and lock screw.
Model: JMS-E26-42
Rating:75W-125V
Hull: Phenolic + Interior
Approval: UL,CE RoHS
Terminal: Set-screw terminals for 0.5m㎡-2.5m㎡ wires provided with shell without outerthreads, seris provided with three pieces of parts: cap, shell and interiror.

Phenolic E26 bulb socket is made of phenolic resin. This plastic material is known for its resistance to heat, strength, and non-conductive characteristics. In the early days of lamp holders, a material called Bakelite was used to manufacture these sockets. In fact, Bakelite was the name of those E26 bulb socket.