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Avoid defective set screws & assembly failures; learn dimension, torque, salt spray tests for DIN 913/914/916 grub screws.

Avoid assembly failure from washer defects like size deviation or burrs. Discover how strict quality control and standard DIN washers prevent loosening.

Stop settling for "standard washers." Learn how to correctly select DIN/ISO/ASTM washers to avoid assembly failures, ensure load distribution, and guarantee project compliance.

Avoid rust, scratches and rework. Learn to select proper washer materials and coatings to cut manufacturing costs for assembly lines.

From March 25 to 27, 2025, the global fastener industry gathered at the
flagship biennial event "Fastener Fair Global" in Stuttgart, Germany. Qewitco showcased its full range of high-grade fastener products in Hall 5, emerging as one of the most notable Asian exhibitors.