Detail of M3 self-tapping screws Stainless steel flat head screws Our flat head self-tapping screws are made of 304 stainless steel, rust-proof and wear-resistant, Countersunk Head Screws with high strength and durable to use. M3 Cross Head Screws Adopting high precision cutting technology, the screw thread is very precise, clean, the cross drive countersunk head tapping screws with transparent thread can Easily penetrate wood and plastic and provide a secure, firm grip and stay in place. M3 Self-tapping Screws Assortment This package includes 400pcs M3 Self-tapping Screws Kit, M3*6 50PCS M3 * 8 50PCS M3*10 50PCS M3*12 50PCS M3*16 50PCS M3*20 50PCS M3*25 50PCS M3*30 50PCS Wide range of sizes to meet your different needs. Countersunk flat head fixing screw Made of high quality stainless steel material, sturdy and durable, please be very careful with your finger when installing, do not pinch the threaded part with your hands to avoid injury, widely used for home and office appliances,