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7 days free paymentrefund after 7-14 days
100% genuine product
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
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
Internal watering alloy drill Ø7.9 OSG 311307901
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
7 days free paymentrefund after 7-14 days
100% genuine product
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