Self Drilling Screw Material:Carbon Steel,Stainless Steel Size: M3.5*13mm~M4.8*100mm Surface Finish: ZP,YZP Head Type: Wafer Head, Pan Head, Countersunk Head... Self-Drilling Screws, also known as Tek screws, eliminate the need for a pre-drilled hole and allow drilling and fastening to be done in the same motion. Delivery: 30-45 Days, according Order Quantity. We will try our best speed up production under the premise of guarantee quality and delivery on time.
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