Nơi xuất xứ
Zhejiang, China
Số Mô Hình
1/4'' to 1 3/8'' ,3/16'' to 7/8''...
Size
1/4'' to 1 3/8'' ,3/16'' to 7/8'',1/4'' to 3/4'',1/8'' to 1/2''
Application
drilling holes in metal material, wood
Product name
5pc inch step drill bit set
Package
Plasitc Box/Aluminium Case
Step thickness
from 1/8" to 4.2"
Surface treatment
Roast yellow