Cilky Metal Screws 2-10pcs M3 M4 M5 304 Stainless Steel Carriage Bolt Large Head Half-Round Square Neck Screw Flat Head Shelf Bolts(20mm,M3 (20PCS))

304 Stainless Steel Half-Round Head Square Neck Carriage Bolt Premium Material: Made from 304 stainless steel, offering excellent corrosion resistance and high-temperature durability, suitable for various environments. Unique Design: The half-round head and square neck design provide enhanced holding power, ensuring more stability and during use. Wide Application: Widely used in industries such as machinery, construction, and electronics, especially in applications requiring high-strength fastening. & Reliable The 304 stainless steel material ensures a long service life with strong oxidation and corrosion resistance making it ideal for outdoor and humid environments Versatile and Reliable - our Screw is an essential addition to your toolkit, can be used for a variety of projects in homes, workplaces, furniture and courtyards, perfect for your daily life use.