410 Stainless #8 x 3/4" Wafer Head Philips Self Drilling Sheet Metal Tek Screws , (1/2" to 1-5/8" Length in Listing), 100 pieces, Modified Truss Head Self Driller (#8 x 3/4 inch)
[Product Information]
410 Stainless Steel
Tensile - 180,000 psi, Hardness - 40 Rockwell C
Type BSD is a tapping screw with spaced threads and a drill point which drills its own hole