1/4" x 1" Hex Washer Head Self-Drilling Screws (25 PCS), Grade 8.8 Heat Treated Carbon Steel, Zinc Plated Self Tapping Screws, Industrial Strength Metal Fasteners

★★★★☆ 4.0 140 reviews

US$4.00
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US$4.00
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Product details

Management number 250230486 Release Date 2026/09/17 List Price US$4.00 Model Number 250230486
Category
  • 【Industrial Grade 8.8 Heat Treated】 Engineered with premium carbon steel and subjected to a rigorous Grade 8.8 heat treatment process. This provides exceptional shear strength and hardness, effectively preventing head-snapping and stripping even when drilling into high-tensile metal plates.
  • 【Superior Corrosion Resistance】 Coated with a high-quality Zinc finish, these screws are built to withstand humidity and harsh environments. Whether for indoor machinery or outdoor metal structures, our fasteners offer long-lasting rust protection and structural integrity.
  • 【Maximum Torque & Stability】 Built with a robust 1/4" shank, this screw features a standard Hex Washer Head that provides a wide contact surface for a secure grip. This design ensures maximum torque delivery without slipping, giving you a stable and professional-grade installation every time.
  • 【Precision-Engineered for Flawless Grip】 Featuring advanced Thread Cutting technology, our self-drilling fasteners bite into surfaces instantly to eliminate slippage. Perfect for high-vibration environments like garage doors or metal roofing, these self-piercing points create clean, debris-free threads in steel, aluminum, or PVC. Get a rock-solid, professional-grade fit without the need for pre-drilling.
  • 【Perfect 25-Piece Project Pack】 Tired of buying bulk boxes for small tasks? This 25-pack is the ideal solution for DIY enthusiasts, home repairs, and small-scale professional projects. Compact and easy to store in any toolbox without the clutter of excess hardware.

ASIN B0GCD9TMQM
Brand QZATTCAEN
Color Silvery
Set Name Self-Drilling Screws Set (25 pcs)
Head Type Hex
Size Name Self-Drilling 25 pcs
Metal Type Carbon Steel
Unit Count 25 Count
Item Weight 7.2 ounces
Part Number CKMLS-01
Thread Size 1/4"×1“
Thread Type Self-tapping Thread
Drive System Self Piercing Screw
Finish Types Zinc finish
Manufacturer QZATTCAEN
Thread Class Standard
Thread Style Left Hand
Fastener Size 1/4" x 1"
Fastener Type Self-Drilling Screws
Item Diameter 0.25 inches
Material Type Carbon Steel
Exterior Finish Zinc
Item Dimensions 1 x 0.2 x 0.2 inches
Number Of Items 25
Thread Coverage Fully Threaded
Number of Pieces 25
Outside Diameter 0.25 inches
Screw Head Style Hex
Screw Point Style Self-Piercing Point
Included Components 1/4" x 1" Hex Washer Head Self-Drilling Screws (25 PCS)
Set Screw Thread Type self-tapping

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140 ratings | 57 reviews
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