Description:
1.All parts of gear box can be offered
2.packing: Bubble bag and carton , 36pcs/ctn, also can follow the customer's requirement
3.heat treatment and high hardness is HRC58-62, it can make sure long working time
4.we have kinds of gear box for your choosing, also accept customized
5.Surface color: natural aluminum color
6.S-28 is spare part of Brush Cutter / Grass trimmer, inside pinion material is 20 crmo.
7.The Material of pinion within gear Box is 20crmo and surface hardness is HRC58-62,which use lubricating grease with high temperature resistant 270 degrees.