SINODRILLS 2 wings air flush step drag bits

2 wings air flush step drag bits are one piece construction of alloy steel forged, with tungsten carbide cutting tips and gauge sides to ensure longer life. Each 2 wings air flush step drag bit has2 wings and 2 air flushing holes.

Features

• A solid one piece heat treated, 4140 alloy steel body for bit strength & durability;

• CNC threaded machining for proper installation &use;

• Forgings are milled to better seat the carbide inserts.

• Select tungsten carbide inserts 5.5mm thick are standard.

•  Relief is hand ground behind carbide inserts for maximum performance.

Parameters

Note: The diameter and thread showed as above are usual size, other sizes are available upon request.