It is press-in expansion type Brass Inserts Press Lock Type
Brass Inserts insert designed for use in Thermoplastic molding.it
requires vary low screws installation torque and has self-locking
action Brass Inserts Press Lock Type Brass Inserts Tappex Emhart
type Injection Moulding Inserts injection Molding inserts Insert
Molding insert Moulding.