303 Stainless Steel Thumb Screw 

303 Stainless Steel Thumb Screw Steel Screw Machined Parts Specifications Name: thumb screw, screw w/slot, standoff, guide pin. Material: 12L14 steel, 303 stainless steel. Dimension: Ø5.0x21.75mm 4-40 UNC, Ø12x35mm 1/4”-20, H0.188x0.937” 4-40 UNC, Ø0.250x0.685” 2-56 UNC, Ø0.213x1.288” 4-40 UNC. Finish: zinc plated, plain. Screw Machined Parts Display Screw machining and screw machine products with metal materials are all acceptable finished. The primary hardware materials of screw machined parts can be finished including copper, iron, aluminum and stainless steel. As a Custom Screw Machined Parts manufacturer, we specialize in processing long screw with hexagon sockets, precise and slender axle accessories. The best quality and high precision screw machining parts can be provided you the most competition price.