Stainless Steel A2 Internal Toothed Serrated Lock Washer 4 mm Thickness 0.5 mm DIN 6798 | AOBSCO

Internal Toothed Serrated Lock Washer made from premium Stainless Steel A2, supplied by AOBSCO. This washer features internal serrations that ensure excellent clamping force by biting into the joint material, preventing loosening even under continuous vibrations. It meets the DIN 6798 standard and is ideal for use in construction materials and building supplies across Saudi Arabia.

• Size: 4 mm
• Thickness: 0.5 mm
• Standard: DIN 6798
• Material: Stainless Steel A2
• Internal toothed serrated design for superior grip