M12 x 1.75 x 30 Mm Coarse Black Oxide Alloy Steel Din 916 Cup Point Socket Head Set Screw Best Seller #3-48 Nitro Series Spiral Point

#3-48 Nitro Series Spiral Point Tap Heat Treated Super High Speed Steel

To seal the link you must peen the extended end of the cold shut which prevents the link from opening

Mitsubishi - Mb475404

This 40 piece ShopPro tap and drill set is gold surface treated for maximum lubricity

Push Type Retainer - Nissan Maxima 1999 - 2001 01553-10051

M12 x 1.75 x 30 Mm Coarse Black Oxide Alloy Steel Din 916 Cup Point Socket Head Set Screw Best Seller #3-48 Nitro Series Spiral PointSocket 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.