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DIN 1587 Acorn Nut
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DIN 6797 A External Tooth Lock Washers have twisted prong teeth on the largest radius, which results in superior torsional resistance, and are the preferred tooth-type lock washer when the greatest locking ability is desired.
Material: Steel, stainless steel A2 or stainless steel A4. Note: The nut grade must always be the same or higher than the bolt grade, i.e. bolts with grade 8.8 are always paired with nuts grade 8 or higher, but never less.
DIN 982 Tall Nylon Insert Hex Lock Nut
DIN 982 - 1987 Prevailing Torque Type Hexagon Thick Nuts with Non-Metallic Insert
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