1,Certificated to ISO9001:2008 2,Shorter Lead Time 3,Accept OEM and ODM 4,Competive price Slotted and socket heads available. Brass, steel, stainless steel. More than 30 metallic finishes. Threads from 4-40 to 3/8-16. Shoulder lengths from 0.1250 to 1.500 inch; shoulder diameters from 0.1245 to 0.4995 inch. Head diameters from 1/4 to 5/8 inch.

Useful as a precision spacer and bearing surface for a wide variety of applications, shoulder screws are    manufactured with exacting tolerances (shoulder diam: +.000/-.001, shoulder length: +.002/-.000). Undercuts on each side of the shoulder assure perfect seating for precise low friction assembly.

precision shoulder screws, professional manufacturers