Century Drill & Tool 11 mm x 1.50 Metric Tap & 3/8 In. Brite Drill Bit Combo Pack - Carr Hardware
UNJC Minor Ø Recommended Drill Size Ø Pitch (TPI) Min Max Drill Size Decimal (in) #4 40 .0877 .0942 2.30mm .0906 #5 40 .1007 .
Amazon.com: SAE Tap Drill Chart, Metric Tap Drill Chart and Thread Thru Hole Chart Stickers. 5.5"x8.5" Water Resistant Decals. Set of 3 Decals. (Decal, 5.5"x8.5") : Industrial & Scientific