Please fill out the form below for Screw Self Tap No4 X 3 Or 8 Lg and get a quote for part number ART4310 by Contour Engineering Llc, please include required quantity along with expected turn around time. Our knowledgeable account manager will reply you shortly. Also check for the related parts for part number ART4310. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.