Self Drilling Screw
TK-HWHHT-35000_18T
Fastener Sizes
ST3.5
Material
C-1022Screw Points
Self-Drilling
Drive Types
Phillips Indented Hex Washer Head
Head Styles
Hex Head
Screw Thread Design
18 Ribs Under Head
Order information
- Minimum Order: Per Item 100M/Order USD 5,000
- Branded Product, Buyer's Label Offered
- Files Download
How Can Self Drilling Screws with 18 Ribs Improve Metal Roof Installation Efficiency?
Our ST3.5 self drilling screws with 18 ribs under the hex washer head eliminate pre-drilling steps and provide superior weather sealing for metal building applications. The integrated drilling point penetrates metal substrates directly while the 18-rib design creates a tight seal against water infiltration. Contact us to discuss volume pricing for your next metal building project and reduce installation time by up to 40%.
With over 30 years of manufacturing expertise, our self drilling screws meet stringent quality standards and are available with buyer's label options for branded product requirements. The minimum order quantity is 100,000 pieces per item with a USD 5,000 minimum order value, making this solution ideal for large-scale construction projects, industrial equipment manufacturing, and distribution partners. Our ISO 14064-1:2018 and ISO 14067 certifications demonstrate our commitment to sustainable manufacturing practices while delivering the stable quality and long-term reliability that global OEM and construction markets demand.


