DUB-364 Tap & Drill Set 1/4-20 PDF Print $8.32 SKU: DUB-364 DUB-364 Tap & Drill Set 1/4-20 Add to Wishlist Add to Compare Back to: Du-Bro Products Description This is a 1/4-20 Tap & Drill Set from Dubro. FEATURES: High quality steel tap and drill set.