Blackened GB/US 10.9 Grade Button Head Machine Screws with Inner Hexagon, Half-Round, Self-Tapping

These high-strength machine screws boast a unique blackened finish and feature a button head design with an inner hexagon drive. Made from 10.9-grade material, they offer excellent durability and reliability. The half-round, self-tapping functionality ensures easy installation and strong thread engagement, making them ideal for a variety of applications where secure fastening is required. Head shape: Flat round head Standard No.: Inches Nail Type: Screws Manufacture country: China Instructions included: No