1/4"-20 Female Brass Knurled Threaded Insert Embedment Nut for 3D Printer, 25Pcs Hole Saw Sets dimmable LED and dimmable CFL

dimmable LED and dimmable CFL bulbs

Inner Diameter: 1mm

12mm Bore Dia

Root Thickness: 8mm

Outer Diameter: 184mm / 7

1/4"-20 Female Brass Knurled Threaded Insert Embedment Nut for 3D Printer, 25Pcs Hole Saw Sets dimmable LED and dimmable CFLDescriptions: Made of brass material, high hardness and durable. Provides good mechanical properties with increased corrosion and heat resistance The knurled insert nut has a guide, so no countersink is required. The surface is smooth, firm and even, and easy to install. It can be installed into a plastic matrix by ultrasound or heat during the injection molding process. Can be widely used in 3D printing injection molding to achieve tight fixation.