Product name
Torx Flat countersunk Head Thread Cutting Concrete self-tapping Screws
Head type
Round head ,Truss head ,Flat head ,Oval head ,Cheese head ,Pan head
Size
M1.6--M20, 3/16~2- 3/4, ST2.2--ST8
Grade
4.8, 8.8, 10.9, A2-70 , A4-80
Material
Carbon steel ,Stainless steel ,Alloy steel ,Brass ,Aluminum
Surface treatment
HDG, PTFE coated, plain, black, galvanized, yellow zinc plated