Jobber Drills - Gauge Sizes
Regular price
$0.00 AUD
DIA in X Gauge
Dimensions:
Gauge size drill calculations are generaly made utilising a reference book or table. Number drill bit gauge sizes are analogous to but different from American wire gauge. Number gauge is most commonly used from size 80 (the smallest) to size 1 (the largest) followed by letter
gauge size A (the smallest) to size Z (the largest). Number gauge is actual 97 but these smallest sizes are very rarely used.