Internal watering alloy drill Ø9.7 OSG 311309701

• Khoan tốc độ cho năng suất cao;
• Khoan chính xác cao, không bị loe lỗ;
• Gia công lỗ có dung sai chính xác cao ;
• Tuổi thọ công cụ sử dụng lâu dài;
• Dòng mũi khoan được dùng chuyên khoan thép cứng (～55HRC).

Drilling alloy with internal irrigation Ø9.7 OSG 311309701 has a cutting edge specially designed to protect the corner from damage.

Drill bit has a helix angle of 30°, a drill tip angle of 140° for easy work, providing extremely long tool life thanks to the TiALN coating.

Cutting blade: consists of separate tungsten chips welded together to the body of the bit using high-frequency welding technology. All teeth have the same cutting angle.

The body of the drill bit: made of solid steel will connect to the cutting blades with high-quality welding material but still ensure durability and firmness when used.

Drill bits have internal irrigation holes

OSG drill bit structure