Tooleye Carbide Center Drill Bits 60 Degree Countersinks Angle Metal Drills CNC Hard Metalworking Tungsten Steel Drilling Tools |

Tooleye Carbide Center Drill Bits 60 Degree Countersinks Angle Metal Drills CNC Hard Metalworking Tungsten Steel Drilling Tools |

Product name: Tungsten steel center drill

Material: Tungsten steel base material

Suitable for processing: precise positioning, guiding twist drill cutting, reducing errors, higher punching efficiency, and more accurate positioning.

Model: Type A (without cone cover)/Type B (with cone cover)

Hardness: HRC55° (uncoated)

Applicable equipment: CNC machining center, engraving machine, engraving machine and other CNC machine tools

Suitable processing materials: aluminum, copper, steel, cast iron, etc.

Quality optimization: The overall tungsten steel has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance.

Note: （1）Type A center hole only has a 60° taper hole. The 120° cone at the outer end of the B-shaped center hole is also called the protective cone, which is used to protect the outer edge of the 60° cone from damage.
（2）Type A and Type B center holes are processed by corresponding center drills on a lathe or special machine tool. Before machining the center hole, the shaft end surface should be leveled.

（3）In order to prevent the center drill from breaking, the peak angle of the standard center drill is generally 118 degrees.

About order:

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