300-Pcs M3/ M4 /M5 Female Thread Brass Knurled Threaded Insert Embedment Nuts Assortment Kit

M3/M4/M5 Female Thread Brass Knurled Threaded Insert Embedment Nuts Assortment Kit ?Specification? Mateiral: Brass Main Color: Brass Tone ?Size include? M3 x 3mm x 5mm, M4 x 4mm x 6mm, M5x 5mm x 7mm(ID x Length x OD) ?Features? These Knurled Thread Insert Nut can be widely used on the injection moulding for tightly fixing. Can be installed by ultrasonic or heat into thread tapered hole, or molded in during injection. No need to counterbore or countersink the boss hole since the insert has guide pilot. The material of this part is brass and it can resist heat. The material of this part is brass and it can resist heat. ?Package Included? - M3 x 3mm x 5mm - 100pcs - M4 x 4mm x 6mm -100pcs - M5 x 5mm x 7mm - 100pcs Package Quantity: 300pcs This set is organized by size in a transparent storage case for quick access and protection.