Excel High Speed Twist Drills - 12 - Size #66
#66
Excel High Speed Twist Drills
Packet of 12 drill bits
https://www.engineeringtoolbox.com/drill-bit-numer-gauge-inches-mm-d_2046.html
Will give you a conversion from drill number to Inches and mm.
#66
Excel High Speed Twist Drills
Packet of 12 drill bits
https://www.engineeringtoolbox.com/drill-bit-numer-gauge-inches-mm-d_2046.html
Will give you a conversion from drill number to Inches and mm.