E-Z CHAMFER is perfect for starting a nut on a bolt or threaded bar, a button die or die nut on rod and a leading edge on timber dowel. It efficiently removes burrs and ridges from bolts, pipe, threaded rod, bar and dowels. Threads and burrs are sheared off creating the perfect chamfer for starting a nut or threading die. It is suitable for use on metals including mild (U. S. Grade 2 - Metric Grade 4. 8) and hardened (U. S. Grade 5 - Metric Grade 8. 8) steels, stainless (300 Series) steel, copper, brass, as well as timber, fiberglass and plastics. M2-HSS recommended RPM according to size: 8-12mm (800RPM), 12-18mm (600RPM) and 18-22mm (400RPM).Features E-Z CHAMFER is perfect for starting a nut on a bolt or threaded bar, a button die or die nut on rod and a leading edge on timber dowel. It efficiently removes burrs and ridges from bolts, pipe, threaded rod, bar and dowels. Threads and burrs are sheared off creating the perfect chamfer for starting a nut or threading die. It is suitable for use on metals including mild (U. S. Grade 2 - Metric Grade 4. 8) and hardened (U. S. Grade 5 - Metric Grade 8. 8) steels, stainless (300 Series) steel, copper, brass, as well as timber, fiberglass and plastics. M2-HSS recommended RPM according to size: 8-12mm (800RPM), 12-18mm (600RPM) and 18-22mm (400RPM). Specifications Manufacturer : CTA Tools Brand : CTA Tools Model : CTA Tools 3838 E-Z Chamfer Item Weight : 2.4 ounces Package Dimensions : 7 x 3.25 x 1.5 inches Item model number : 3838 Manufacturer Part Number : 3838 Cover Included : CTA Tools 3838 E-Z Chamfer ASIN : B083TLVH74 Best Sellers Rank : #1,147,948 in Automotive (See Top 100 in Automotive) #75 in Engine Compression Gauges #5,871 in Diagnostic, Test & Measurement Tools Date First Available : January 13, 2020