Steel Pan Head Machine Screw With External-Tooth Lock Washer， Zinc Plated， Meets ASME B18.13， #3 Phillips Drive， #12-24 Thread Size， 3/8" Length， Fully Threaded， Imported (Pack of 100)<img src="http://ecx.images-amazon.com/images/I/51e3cWF88PL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51bnUjqsRVL.jpg" noproxy>