4-40X3/8 Knurled Thumb Screw with Washer Face Full Thread 18 8 Stainless Steel (Pack Qty 100) BC-0406TKW188

For use in applications where periodic manual adjustment is required and where finger pressure can supply suf- ficient tightening torque. The washer face-design allows the head of the screw to seat flush against the mating surface and guards against over-tightening the screw which could strip the mating threads 303 Stainless Steel Aluminum Alloy 6061 T6You may also like 4-40X5/16 Phillips Pan Split Lock Washer Sems Fully Threaded Zinc (Pack Qty 10,000) BC-0405SPP.