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 3.50mmApplication : 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.SpecificationsFlute 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