- US, United States
- Jun 4th
#8 x (1/2" & 3/4" Length in Listing) Stainless Wafer Head Philips Self Drilling Sheet Metal Tek Screws , Qty 100, 410 Stainless Steel, Modified Truss Head Self Driller (#8 x 1/2 inch) Size Name: 8 x 1/2 inch Self-Drilling Screws, also known as Tek screws, eliminate the need for a pre- drilled hole. The length of the drill point determines the material thickness which the screw can reliably penetrate.