6-40 To 1/2-20 Maintenance Hand Tap & Drill Set • Maintenance Hand Taps & Hyper HSS Drills • Available in UNC & UNF • Available In Spiral Point List Number ZD16891 Substrate HSS Package Quantity 1 From 6-40 To 1/2-20 Case Type Metal Thread Standard UNF Style Hand SKU: ZD16891 Category: Tap & Drill Sets Related products 6-32 To 1/2-13 NC Blue Ring Spiral Point Tap & Cobalt Drill Set Item #: DR06810 M2.50 To M12.0 Hand Tap & Drill Set Item #: DR06995 M2.50 To M12.0 Gold Wizard Spiral Point Tap & Two-Tone Drill Set Item #: DR06807