Internal carbide drill Ø8.8 OSG 311308801

• Gia công lỗ có dung sai chính xác cao;
• Tuổi thọ công cụ sử dụng lâu dài;
• Độ bền và độ cứng cao;
• Dòng mũi khoan được dùng chuyên khoan thép cứng (～55HRC).
• Chuyên dùng trong gia công khuôn mẫu.

Drilling alloy with internal watering Ø8.8 OSG 311308801 is a line of drill alloy specialized in drilling hard steel ～55HRC 5D from manufacturer OSG from India, widely used in mold processing with high strength and hardness, high wear resistance and good heat resistance.

When using OSG 311308801, it is necessary to use cooling lubrication measures to help the drilling process meet the following requirements:

• Good heat transfer ability
• Good lubrication ability, high viscosity
• Ability to protect the surface of the part against corrosion and oxidation

Drill bits have internal irrigation holes

OSG drill bit structure