【PACKAGE INCLUDES】This 900-piece screws assortment kit includes 450 self-tapping screws for metal in 12 popular sizes: #8 x 1/2" (65pcs), #8 x 3/4" (80pcs), #8 x 1" (65pcs), #8 x 1-1/4" (30pcs), #10 x 1/2" (45pcs), #10 x 3/4" (45pcs), #10 x 1" (30pcs), #10 x 1-1/2" (35pcs), #10 x 2" (15pcs), #12 x 3/4" (20pcs), #12 x 1-1/2" (10pcs), #12 x 2" (10pcs), plus 450 rubber washers. 【PREMIUM DURABLE STEEL】Made of high-strength 410 stainless steel, these self-tapping screws feature superior rust and corrosion resistance, ideal for outdoor, construction sites, and harsh industrial environments. 【ONE-STEP INSTALL: QUICK & FIRM】Precision drill point tips enable direct installation without pre-drilling. It locks and secures itself to other components on the composite material via deep, sharp threads. 【WIDE APPLICATION】Hex washer head self-tapping screws are widely used in metal, wood, plastic, exterior wall panels, home appliances, furniture repair, ceiling frame installation, DIY projects, and various industrial fastening jobs. 【REUSABLE STORAGE CASE】This heavy-duty plastic storage box features multiple compartments for organizing screws, along with a handle, a transparent lid, and sturdy latches. Reusable and portable, it is designed to keep hardware organized on job sites. imsiboc Self-Drilling Screw Assortment Kit Product Description At imsiboc, “fasten everything” is more than a slogan—it’s our answer to the frustrations every builder and DIYer faces: ill-fitting screws, quick-rusting materials, and missing sizes mid-project. We craft each kit to turn hassle into simplicity, so you can focus on doing the job right. Choose imsiboc, and you choose a partner that cares about the pride in well-fastened work. This 900-piece kit includes 450 self-drilling screws (12 sizes: #8/#10/#12 series, quantities 10–80pcs each), 450 rubber washers, and 2 hex socket bits. All screws feature a hex washer head for stable torque and a sharp self-drilling tip. Made of 410 stainless steel, they resist rust, corrosion, and wear for indoor and outdoor use. We stand by our “Precise, Durable, Complete” promise. Each screw is inspected for consistent threads and sharp tips (no pre-drilling needed); the 410 stainless steel is tested to perform in humid, outdoor, and industrial conditions. If any detail falls short of our standard, our team will make it right—your trust matters most. Packed in a reusable plastic case with a handle: clear lid for quick size checks, secure latches to prevent spills, and labeled compartments for neat organization. All hardware stays protected and ready for DIY, fencing, or construction jobs.