bolt on edge 1. material :30Mnb or 80# 2. hardness: (45~50)HRC 3. OEM replacement lead time:20days 4. ISO9001:2008

Product name:  7D4508 excavator oem replacement parts bolt on edge

1 .Heat treated Boron grader blades,grader overlay and end bits

2. High Carbon grader blades, grader overlay and end bits

3. Width of DBC are avaliable from 150mm(6"), 200mm(8"), 250mm(10") and 330mm(13")

4. Width of DBF are available from 150mm(6"), 200mm(8"), 250mm(10"), 330mm(13") and 400mm(16")

5. OEM SUPPLY or Replacement

6. Tungsten Carbide Overlay wear resistant blades are avaliable

7. Custome design

8. Ripper Shanks, Shank Guards and Ripper Teeth

AB: Heat treatment equipment-- enable blade hard enough to suit different work environment, after heat treatment, the hardness is (45-50) C: CNC—make different size of holes available, and more preciseD: Saw--

Raw material from BAOSTEEL-one of China's World-Class corporation

Finished  goods

ISO9001:2008 CertificatIon