ITEM NAME:M2 x 3mm Brass Cylinder Knurled Threaded Round Insert Embedded Nuts 100pcs P2Y3 M2 x 3mm Brass Cylinder Knurled Threaded Round Insert Embedded Nuts 100pcs P2Y3 Made of bass material. Featured with heat resistance. Used on injection molding for tightly fixing. No need to counter bore or countersink the Boss hole because the insert has guide pilot. product Name: knurled nut Material: brass; main Color: brass tone Thread size: M2/0.08 inch; Pitch: 0.4mm; outer diameter: 3.2mm/0.13 inch Length: 3mm/0.12 inch weight: 10G Package Content: 100(+/-2%) x knurled nuts Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Used on injection molding for tightly fixing. No need to counter bore or countersink the Boss hole because the insert has guide pilot. Material: brass;. main Color: brass tone. Made of bass material.