Extensive range of brass left right knurling inserts for plastics molding — engineered for strength, reliability and diversity. Used for moulding of nylon spacers and spillers.

Prime Industrial Components is a leading manufacturer of brass left right knurling inserts based in Jamnagar, Gujarat, India. We offer an extensive range engineered for strength, reliability and diversity — with the left/right knurl pattern providing strong bidirectional retention in the host material.
These inserts suit plastic molding, furniture fittings and the moulding of nylon spacers and spillers. Standard sizes begin at M2 and run up to any size as per custom design or requirement.
Standard ranges shown. Custom sizes, threads, materials and finishes produced to drawing.
Left-right knurled inserts are specified where the host material (typically plastic or nylon) must resist rotation in both directions once the insert is embedded.
Any kind of brass left-right knurling insert can be developed and supplied exactly per customer specifications and drawing.
Share your size, knurl depth or drawing — we'll quote within 48 hours and ship from Jamnagar to buyers in 40+ countries.