410 Stainless #10 x 1" Wafer Head Philips Self Drilling Sheet Metal Tek Screws ， (1/2" to 1" Length in Listing)， 100 pieces， Modified Truss Head Self Driller (#10 x 1 Inch)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>410 Stainless Steel</li><li>Tensile - 180，000 psi， Hardness - 40 Rockwell C</li><li>Type BSD is a tapping screw with spaced threads and a drill point which drills its own hole</li><li>#3 Drill Point</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/318e6aeR2ML.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51OiT5Xr8OL.jpg' noproxy></br>