Machine shop: precision screw machine parts, precision machining, drilling & boring, lathe & mill work Non metal screw machine made parts, Metal screw machine made parts, Machine screws, Set screws, Sheet metal screws, Tapping screws, Wood screws, Drywall screws, Captive screw, Locking screws, Thread rolling screws, Flathead screws, Weld screws, Thumb screws, Shoulder screws