Milwaukee 1/2 in -13 NC Straight Flute Plug Tap & 27/64 in Drill Bit 49-57-5560 from Milwaukee - Acme Tools
TTC PRODUCTION 1/2"-13 Size Combination Drill & Tap | Travers Tool
DEWALT 27/64 in. Drill and 1/2 in. x 13 NC Tap Set DWA1416 - The Home Depot
Kobalt 1/2-in-13-in Standard (Sae) Tap and Drill Set in the Tap & Drill Sets department at Lowes.com
IRWIN 1/2-13 High Speed Steel Plug Tap and Drill Bit Combo 80242 3pk for sale online | eBay
GBJ 1/2-13UNC Thread tap with Φ10.8 Drill Combination Drill and Tap Bit Set Tap & Drill bits Tap and Drill Set Drilling Tapping (1/2-13 tap + Φ10.8 Drill) - Amazon.com
EMPTY TAP & DRILL INDEX, HUOT 6-32 TO 1/2-13 TAP, W/ HSS BITS | EMPTY TAP & DRILL INDEX, HUOT 6-32 TO 1/2-13 TAP, W/ HSS BITS | Weaver Distributing