5/16"-24 Type 40-AG 118° Split Super Premium Combination Tap Drill Bit | eBay
DEWALT 5/16 in. Black Oxide Drill and 3/8 in. x 16 NC Steel Tap Set DWA1414 - The Home Depot
5/16" HSS Black & Gold KFD Split Point Jobber Length Drill Bit, Killer Force Drill Bit | KFD5/16 | DrillsandCutters.com
5/16" - 36 HSS Right Hand Thread Tap with 7.3mm Drill bit: Amazon.com: Industrial & Scientific
Performance Tool® W8632 - SAE Tap/Drill Bit Set (5/16"-18 UNC Tap, 17/64" Drill Bit) - TOOLSiD.com
5/16-18 Drill/Tap Bit for Stainless Steel | Greenlee
5/16"-22 UNS HSS Plug Tap and "G" HSS Drill Bit Kit, Qualtech | POUFS5/16-22 | DrillsandCutters.com
uxcell 5/16-18 UNC Straight Flute Thread Tap and 6.5mm Twist Drill Bit Set, Titanium Plated 6542 High Speed Steel Drilling Bit Machine Threading Tap - Amazon.com
Century Drill & Tool 5/16-24 National Fine Plug Carbon Steel Tap & I Letter Drill Bit Combo Pack - Power Townsend Company
5/16-18 UNC Straight Flute Tap Left Hand and 6.5mm Drill Bit Set Titanium Plated | eBay
IVY Classic 5/16-18 UNC Combo Drill/Tap Bit
Made in USA - Combination Drill Tap: 5/16-24, H3, 2B, 2 Flutes, High Speed Steel - 82771247 - MSC Industrial Supply
DEWALT DW1120 5/16-Inch Black Oxide Split Point Twist Drill Bit - Amazon.com
Milwaukee SHOCKWAVE 5/16-18 UNC Steel Impact Rated Drill Tap Bit 48-89-4871 - The Home Depot