VIGRUE 425PCS #8#10 Black Self Tapping Screws for Metal, 425PCS (410) Stainless Steel Modified Truss Head Sheet Metal Self Drilling Screws Assortment Kit, Black Oxide, Length 1/2" to 1-1/2''
✔Screw Type: #8 Black Self Drilling Screws Assortment Kit.(#8 for 3mm carbon steel sheet to avoid breaking off. Min Breaking Torque-2.8N.M)
✔Sizes: #8 x 1/2'',#8 x 5/8'',#8 x 3/4'',#8 x 1'',#8 x 1-1/4'',#8 x 1-1/2'' Self Drilling Screws(Each 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) speed up the fastening process for many applications, including sheet metal roofing, steel framing, secure wood, plastic, metal and brick together, self-drilling makes pre-drilling unnecessary.