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Fastener 4 – April 2022

Fastener 4 : E-Z Chamfer®
Q1:  What is E-Z Chamfer?
A:  E-Z Chamfer is a cylindrical tool with 5 cutting blades made of M2-HHS steel designed to create a perfect chamfer on many materials.  The tool has a ¼” hex shank so it works easily with battery operating drills.  When used on metal, threads and burrs are sheared off creating the chamfer for starting a nut or threaded die.  
Q2: On what materials can E-Z Chamfer be used?
A: The tool can be used on ferrous and non-Ferrous metals, including hardened steels, timber, fiberglass, and plastics. As for steel, E-Z Chamfer can be used on the following materials:

Mild Steel – U.S Grade 2, Metric Grade 4.8
Hard Steel – U.S Grade 5, Metric Grade 8.8
Very Hard Steel – U.S. Grade 8, Metric Grade 10.9
Stainless Steel – 300 Series
Super Hard Steel – U.S. Grade ASTM-A574, Metric Grade 12.9

Q3: On what diameters does E-Z Chamfer work?
A:  5/16 – 7/8”, M8 – M22

Q4: What do you need to be mindful of when using E-Z Chamfer?
A: Use at low speed – Maximum 800RPM.  Guidelines:
Start E-Z Chamfer square to the workpiece.  A circular motion may improve performance on large diameter workpieces.

E-Z Chamfer works by shearing a small amount of material every revolution.  Slow drill speed with medium pressure will yield the best results in most materials.  Hard materials will require high feed pressure. In most applications it is only necessary to chamfer the first 1 to 3 threads.

Wear eye protection.

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