ITEM NAME:3X Titanium Coated Steel Quick-change Hex Shank Stepped Drill Bits M2 Tool cvx Descriptio n Material: High Speed Steel 4241 Colour: Gold Size: 19.5*12.5*3cm Weight: 260g Product packaging: OPP Bags Surface treatment: Titanium plating Hexagonal shank straight groove stepped drill 1. Unique step structure, a bit can open a variety of specifications and sizes of apertures, a step drill to a box of bits. 2. It does not need to use central punch and is not easy to break compared with ordinary twist drills. In site construction, one step drill is suitable for various specifications. 3. It is possible to deburr, chamfer, open elliptical hole and expand the function that twist drill can not complete. 4. Comparing with ordinary twist drill. Small shaking, no need to lead the use of center punch can also open a beautiful aperture out. 5. Use tools: pistol drill and bench drill. Water injection cooling while working can effectively prolong the service life of the drill. The recommended drilling speed is 250-400 rpm. Material: High-speed steel 4241 (suitable for hardness general workpiece, such as iron sheet, plate thickness below 5MM) Specification: 4-32 mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm) 4-20 mm (4, 6, 8, 10, 12, 14, 16, 18, 20 mm) 4-12 mm (4, 6, 8, 10, 12 mm) Product List: Big Hexagon Handle*3 Honesty is gold for all! 3X Titanium Coated Steel Quick-change Hex Shank Stepped Drill Bits M2 Tool
