Brass Inserts • Brass Round Knurled Inserts • Brass Hexagonal Inserts • Brass Square Inserts • Brass Moulding Inserts Brass BSP Inserts NPT Inserts Brass Threaded Inserts for PVC / CPVC / UPVC molding of sewerage and pipe fittings. Any kind of special Inserts, Screw can be developed and supplied exactly as per customer specifications.