M3-0.5X10 ISO7045 Metric Phillips Pan Head Conical Square Washer SEMS Full Thread Zinc Screws - 8,000 Pack by Korpek - Perfect for Automotive, Electronics & Machinery Assembly

PICTURES ARE REPRESENTATIVE OF ITEM, BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions, finish, head markings, thread length, stamping shape or forging shape, etc., may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape, which can vary from lot to lot. The conical washer Sems offers a controlled tension with minimal torque while providing a higher retained clamp load than possible with other styles of lockwashers. The Sems can withstand a high tension load and still have the conical washer maintain its spring action. This style of Sems is preferred when fastening more fragile materials since its load is spread to the outermost diameter of the lockwasher. . Screw: C1008 or equivalent carbon steel. Conical Lockwasher: C1050 - 1065 or equivalent steel. Screw: Stainless, Class 302 Stainless. Conical Lockwasher: Stainless, 410 Stainless . Machine Pack Count - Margin error of +/- 5%