M8 x 1.25 x 16 Mm Coarse Black Oxide Alloy Steel Din 916 Cup Point Socket Head Set Screw Best Seller the copper sealing washer is

the copper sealing washer is designed to effectively seal a wide range of applications

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M8 x 1.25 x 16 Mm Coarse Black Oxide Alloy Steel Din 916 Cup Point Socket Head Set Screw Best Seller the copper sealing washer isSocket set screws also known as grub screws have no head and are typically tightened or loosened with a square or hex key. A slotted set screw can be adjusted with a screwdriver. Socket set screws prevent movement of a pulley or similar machine part relative to a shaft. A cup point set screw has a rounded tip that grips and resists deforming the shaft surface. A flat point screw provides more contact with the shaft.