Check the listing for details. M6 x 10mm (L) x 8.5mm (OD) Brass Knurled Threaded Insert Embedment Nuts, 100 X. Condition: New. Listed at 29.54 USD. 1.These Knurl Thread Insert Nut can be widely used on the injection molding for tightly fixing.2.Can be installed by ultrasonic or heat into blind hole, or during injection.3.No need to counterbore or countersink the hole since the insert has guide.4.Made of brass material, good thermal conductivity and heat resistance. Specification:Material: BrassThread Size: M6Pitch: 1mm Length: 10mm / 0.39"Outside Diameter: 8.5mm / 0.33"Main Color: Gold TonePackage Content: 100(+/-2%) x Knurl Thread Inserts.