Our product range spans from washer fastenings right through to high-quality washers with taps. Production/delivery range: serrated lock washers in accordance with DIN 6798, toothed lock washers in accordance with DIN 6797, curved spring washers DIN 137, sealing covers DIN 442 +443, spring lock washers DIN 127, 128, 6905, washer fastenings all standards and designs, sealing components DIN 470, washers with taps DIN 432, DIN 463, DIN 93, DIN 462 and 70952, pressed bulk articles tailor-made but without drawing., bolt and nut locks.