large-diameter workholding
HSS-E durability for tough materials: Engineered to resist wear when drilling stainless steel
and a straightforward workflow in your machining projects
and cleaner hole quality—especially important when drilling by depth in thicker sections or multi-layer assemblies
Note: stock indicators refer to blanks ready to be machined into the finished reamer
Dormer Pramet A520 5.50 mm HSS TiN ADX STRAIGHT SHANK STUB DRILL DIN 1897 Instruments large-diameter workholdingDesigned for engineers, machinists, and DIY enthusiasts, the Dormer Pramet A520 5. 50 mm HSS TiN ADX Straight Shank Stub Drill is a reliable, general purpose drill for metalworking. It uses a DIN 1897 straight shank and a 5. 50 mm diameter to deliver consistent, high quality holes in steel, aluminium, and stainless steel. With a 130 thinned point for self centering, a Titanium Nitride coating for longer life, and convex cutting edges for efficient