Description
This is a description of a drill bit with a Weldon Shank. The Weldon Shank is a feature on the drill bit that helps prevent the bit from becoming loose and wobbling while drilling.
11mm HSS Drill bit - Weldon Shank High Speed Steel drill bit with Weldon shank. Quality Tork Craft product.
What is a Weldon Shank? The term comes from the Weldon Tool Company. The Weldon shank was the first straight shank with a locking drive flat