DescriptionThese are Phillips flat head screws, including cross recessed screws of various sizes. These cross recessed screws can go deep into the surface to be firmly fixed on various surfaces. Great replacements for dropped screws, well made screws and thread, and will support most of your projects.Features-Color: color zinc plating -Material: iron -Size: 3.50X0.70X0.10cm/ 1.38X0.28X0.04inch -The tip is round, helps eliminate damage to the material when tightening the fixing screws.-The cross-shaped grooves in the head provide a greater surface area for the screwdriver to contract the fastener. -Quickly and easily cope with the repair and installation, for such as machinery, instruments, electronic products. -Great forwooden furniture makingfurniture making , wooden door, stair post and wooden guardrail. -These set screws are made of quality, strong,rust resistance,corrosion-resistant material.