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Sign In Register Forgot User ID? Forgot Password?Standard Machine Screws
These screws join metal objects together through existing tapped holes and are typically used in high-volume automotive or machinery assembly and repair because of their uniformity. They are smaller than most screws. Machine screws are identified by threading that remains the same size from the top of the screw to the bottom.
Fillister Head Machine Screws
Fillister head machine screws are most frequently used in counterbore holes to fasten equipment. They have a rounded top surface with a slightly domed profile and round sides. The longer side height distinguishes a fillister head from a pan head. Although the cheese head and fillister are very similar machine screws, the dome top of the fillister creates an overall deeper head for stronger connections.