400Pcs Self Drilling Screws Black Oxided, Hex Washer & Modified Truss Head Self Tapping Screws Assortment, 8 x 1/2\ to 1-1/4\
- ✔Screw Type: #8 Black Self Drilling Screw Assortment Kit.(#8 for 3mm carbon steel sheet to avoid fracture).
- ✔Sizes: #8 x 1/2'', #8 x 5/8'', #8 x 3/4'', #8 x 1'', #8 x 1-1/4'' Self Drilling Screws(for each head)..
- ✔Head Type: Hex Washer and Modified Truss Head.
- ✔Made of 100% 410 Stainless Steel and with Black Oxide coating, giving the screws an excellent corrosion and abrasion resistance..
- ✔Self Drilling Screws (sometimes called self-tapping screws) are perfect for use in sheet metal steel, aluminum, wood, plastics, and other similar materials, self-drilling makes pre-drilling unnecessary..