Stainless Steel A4 External Tooth Serrated Lock Washer Size 4 mm Thickness 0.5 mm DIN 6798 | AOBSCO

External Tooth Serrated Lock Washer manufactured from high-quality Stainless Steel A4 by AOBSCO company, compliant with DIN 6798 standard. This washer features serrated teeth on the outer diameter to ensure excellent clamping force and prevent loosening under vibration. It is widely used in construction materials and building supplies across Saudi Arabia for reliable and durable fastening solutions.

• Size: 4 mm
• Thickness: 0.5 mm
• Standard: DIN 6798
• Material: Stainless Steel A4
• Type: External Tooth Serrated Lock Washer