Metric Flanged Hexagonal Bolt Full Thread Yellow Zinc M8 * 1.25 * 20mm Grade 10.9

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Choose these Class 10.9 steel screws for high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-stre ngth steel screws. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. Head height includes the flange. Length is measured from under the flange. The bolts have a thread of M8 * 1.25 and a length of 20mm. Yellow Zinc-plated steel screws are mildly corrosion resistant in dry environments. Screws that meet ISO 898-1 or SAE J1199 comply with specifications and testing requirements for material quality. Screws that meet ASME B18.2.3.9M or DIN 6921 comply with specifications for dimensional standards. Show more