M4 Brass Cylinder Knurled Round Molded in Insert Embedded Nuts (M4*4*6.3; 30pcs)

100% brand new and high quality. Made of brass material, these inserts are and heat-resistant. These are several inserts set in different lengths that you can choose as needed. Features: 100% brand new and high quality. Made of brass material, these inserts are and heat-resistant. These are several inserts set in different lengths that you can choose as needed. Each set contains many inserts that you may use for many projects. Small size and light weight, these inserts are convenient to use. Specification: Material: Brass Size(D*L*d) & Quantity:(Optional) M4*4*6.3; 30pcs M4*5*6.3; 30pcs M4*6*6.3; 30pcs M4*7*6.3; 20pcs M4*8*6.3; 20pcs M4*10*6.3; 20pcs M4*12*6.3; 20pcs Weight: 20g.38g Celsius 0.7oz.1.3oz (approx.) Package list: 1 set * Inserts