Connection UNC 1 1/4 Inch 500 mm Drill Bits Extension Usable Lengths 450 mm Holder Made of 42Cr4 Steel for Diamond Drill Bit Core Drill Bit Diamond Core Drill Bit (1 Piece)
Features: connection: 1 inch UNC (approx. 32 mm inside), hexagonal with 41 mm spanner width
Made of 42Cr4 steel (DIN 1.7045): Made of 42Cr4 steel, it has a strength that is 2 times higher than conventional materials, as well as a service life that is 2 times longer.
42Cr4 steel (DIN 1.7045) is a kind of German standard material used for the production of various types of hot forming tools, hot embossing tools and tool steel. This material is characterised by high strength, good toughness, good hardening and excellent impact resistance. It is widely used in machinery, shafts, gear shafts, wheels and tools.
Features: connection: 1 inch UNC (approx. 32 mm inside), hexagonal with 41 mm spanner width, total lengths: 500 mm, usable lengths: 450 mm.
Notes: it only works with 1.1/4 inch UNC threads. Pay attention to the thread of the core drill. This adapter cannot be used in hammer mode.