Dormer ADX Stub Drill, Pack of 1

• High Speed Steel (HSS) provides good hot hardness when drilling
• 130 degree special point provides self centering, low thrust and easier penetration
• Convex cutting edges and flute design aid swarf breakage and removal
• TiN Coating increases surface hardness, wear resistance and improves tool life
• Special geometry allows higher cutting data and reduced cycle times

Product Description HSS stub drill with straight shank DIN 1897 ADX TiN coated 2.5xD 130° for steel <1200 N/mm², stainless steel, cast iron, titanium and titanium alloys <900 N/mm², copper and aluminum alloys, synthetic materials such as thermosetting plastics and fiber reinforces plastics Manufacturer's Description Dormer A520 Hss-Tin Adx Stub Drill 5.50mm Application : For use on NC and CNC machines where high productivity and accurate holes are required. Recommended for hole depths up to 2.5 x diameter. ADX - High Speed Steel Drills with a superlative cutting geometry and TiN coating, special thinning point and quicker that standard helix. The combination of these features gives greater accuracy, increased productivity and optimum swarf breaking. Specifications Flute Geometry : Quick Helix, Right hand spiral. Point Angle : Special 130º Thinned Point Convex cutting lip. Surface Treatment : TiN (Titanium Nitride) Material : High Speed Steel (HSS-TiN) DIN 1897 R / BS 328 / ISO235