M4 x 12mm(L) x 6.4mm(OD) Female Thread Brass Knurled Threaded Insert Embedment Nuts, 100 Pcs PTC Starter Relay External Size: 210*180*140mm(8

External Size: 210*180*140mm(8

Type: B-2743

Body Dimension: 17x6mm (L*Dia

Notice: In order to make dowel pins a tight fit

for Toyota Corolla 2010-2012

M4 x 12mm(L) x 6.4mm(OD) Female Thread Brass Knurled Threaded Insert Embedment Nuts, 100 Pcs PTC Starter Relay External Size: 210*180*140mm(8Descriptions: 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.