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 Ø7.9 OSG 311307901 internal carbide drill has a specially designed cutting edge to protect the corner from damage.
The drill bit has a 30° helix angle, a 140° drill tip angle for easy work, and extremely long tool life thanks to the TiALN coating.
The cutting blade: consists of separate tungsten chips welded together to the body of the drill using high-frequency welding technology. All teeth have the same cutting angle.
The body of the nose: made of solid steel will be connected to the cutting blades with high-quality welding material but still ensures durability and firmness when used.
Drill bits have internal irrigation holes
OSG drill bit structure
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