A letter size drill bit is designed in standard letter designation sizes from ... Drill bits may be coated to assist in cutting lubricity and/or add abrasion resistance for longer tool life. Shank ...

ReidSupply has a wide selection of tools for drilling, cutting, smoothing and deburring holes, and have options ranging from standard drill bit sets to precision reamers. Reid Supply has an impressive ...

The countersink drill bit set is relatively low cost and comes ... While regular twisted countersink bits usually have shank sizes that are similar to their diameter. The thicker and more premium ...