150Pcs Self Drilling Screws Assortment Kit, 410 Stainless Steel Self Tapping Sheet Metal TEK Screws, #8 1/2" 3/4" #10 1" 1-1/2", Hex Washer Head, Rustproof Fasteners for Metal/Wood/Plastic
Product Details
- Product Dimensions : 8 x 4.3 x 0.7 inches; 13.44 ounces
- Item model number : AL-ZW150
- Manufacturer : ALLWIN
- Material: Stainless Steel
- Head Style: Flanged
- Item dimensions L x W x H: 8 x 4.3 x 0.7 inches
- Exterior Finish: Stainless Steel
- Thread Size: #8-32
- ✅ 4-Size Assortment & Complete Kit：Includes 150Pcs self-drilling screws: 60Pcs #8x1/2", 40Pcs #8x3/4", 30Pcs #10x1", 20Pcs #10x1.5". Conforms to DIN 7504(K) standard. #8 screws use 7mm/9/32" driver, #10 screws use 8mm/5/16" driver.
- ✅ No Pilot Hole Needed - Drill & Fasten in One Step：Self-tapping TEK tip eliminates pre-drilling, saving 50% installation time. Ideal for metal-to-metal or metal-to-wood connections, especially thin sheet metal (up to 18GA).
- ✅ 410 Stainless Steel - Built to Last：Magnetic stainless steel resists corrosion/rust even in humid environments. Hardened design prevents stripping and deformation under high torque.
- ✅ Hex Washer Head for Maximum Grip：Wider bearing surface distributes load evenly, while external hex drive prevents bit slippage. Deep-cut threads ensure tight, vibration-resistant connections.
- ✅ HVAC, Roofing & DIY Ready：Perfect for metal roofing, ductwork, steel framing, automotive repairs, and wood/plastic composite projects. Includes protective storage case for organization.
Professional-Grade Self-Drilling Screw KitEngineered for contractors and DIYers needing reliable fastening solutions, this 150-piece assortment combines precision manufacturing with industrial-strength 410 stainless steel.Technical Advantages DIN 7504(K) Certified: Precision-machined drill points and threads meet German engineering standards Multi-Material Compatibility: Secures sheet metal (up to 2mm thick), wood, plastic, and composites Optimized Drive System: Hex washer head + external hex shank allows 6-point contact for 30% higher torque capacity vs standard Phillips headsApplication Scenarios✔️ HVAC duct installation & repair✔️ Metal roofing/siding attachment✔️ Garage shelving & steel frame assembly✔️ Automotive body panel fastening✔️ Wood decking to metal joist connectionsPackage ContentsPre-sorted screws in compartmentsReusable plastic case with snap-lock lidQuality AssuranceEvery batch undergoes salt spray testing (48hrs ASTM B117) and hardness verification (Rockwell C38-42).