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

Price: $8.99 - $7.99
(as of Aug 30, 2025 12:59:42 UTC – Details)

Professional-Grade Self-Drilling Screw Kit
Engineered 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 heads
Application Scenarios
✔️ HVAC duct installation & repair
✔️ Metal roofing/siding attachment
✔️ Garage shelving & steel frame assembly
✔️ Automotive body panel fastening
✔️ Wood decking to metal joist connections
Package Contents

• Pre-sorted screws in compartments
• Reusable plastic case with snap-lock lid

Quality Assurance
Every batch undergoes salt spray testing (48hrs ASTM B117) and hardness verification (Rockwell C38-42).
Product Dimensions ‏ : ‎ 8 x 4.3 x 0.7 inches; 13.44 ounces
Item model number ‏ : ‎ AL-ZW150
Date First Available ‏ : ‎ March 31, 2025
Manufacturer ‏ : ‎ ALLWIN
ASIN ‏ : ‎ B0F31V42NY
Best Sellers Rank: #30,696 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #91 in Sheet Metal Screws
Customer Reviews: 4.7 4.7 out of 5 stars 24 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

✅ 4-Size Assortment & Complete Kit：Includes 150Pcs self-drilling screws: 60Pcs #8×1/2″, 40Pcs #8×3/4″, 30Pcs #10×1″, 20Pcs #10×1.5″. 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.