Products information
- 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).
The Ø4.9 OSG 311304901 internal watering alloy drill is made of alloy, there is no uniformity between the drill body and the cutting blade.
The cutting blade of the drill: consists of separate tungsten chips welded together to the drill body 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
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