Answer: setscrew

AnswerCrossword Clue
SETSCREW

Shaft-collar attachment

SETSCREW

Threaded connector

SETSCREW

Tightening device

SETSCREW
Lathe device
SETSCREW
Metal parts fastener
SETSCREWBit of securing hardware
SETSCREWHandyman's holdfast, sometimes
SETSCREWSpring attachment