Mũi khoan bước HSS Step drills HSS 17600300022

Mũi khoan bước HSS Step drills HSS 17600300033

Mũi khoan bước HSS TiN 17610300001

Mũi khoan bước HSS Step drills HSS 17610300022

Mũi khoan bước HSS Step drills HSS 17600300001

Mũi khoan bước HSS Step drills HSS 17600300002

Mũi khoan bước HSS Step drills HSS 17600300003

Mũi khoan bước HSS Step drills HSS 17600300011