Letter V Drill Bit Size. 5.0 out of 5 stars (1) add. Displayed in fractional or decimal inches, metric decimal, or a number or letter gauge, drill bits can be selected to create very specific hole sizes.
A good drill size chart can also be used as a handy decimal equivalence chart as well as to convert decimal sizes to metric. Letter size drills diameter in inches; 5.0 out of 5 stars (2) add to cart.
> in the rare case where i need a drill bit size that isn't in the >fraction/number/letter set, i go for a metric equivalents.
4.67 out of 5 stars (3) add to cart. Drill bits, also called twist drills are available with straight or tapered shanks though the most common drill bits will have straight shanks. This chart shows decimal inch equivalents for fractional inch, wire size, letter size and metric drill bits up to two inches in diameter. Drill size & decimal equivalents.