Production process:The tool bit drill body is welded with high frequency, and the blade is designed with unequal separation between inside and outside.

Center Drill:4341 full grinding

Product hardness:89.5-90.5HRC

Working depth:≤ 25mm

Surface treatment:Sand blasting

Scope of application:
Stainless steel round, square tube, flat (<8mm) copper, aluminum (<25mm), ordinary steel, casting and forging (<25mm), etc.

Applicable equipment:
Hand drill, charging drill, bench drill, magnetic drill, etc

Applicable power:500W-800W

Product Features:
The blade is made of hard alloy material, and the outer, middle and inner three-edge layered component design, which has small vibration, low resistance and is not easy to break teeth. The drill body is provided with steps to prevent the cutting edge from being impacted. The arc chip removal groove at the cutting edge makes chip removal smoother during chip cutting. The center drill is used for axis positioning, and the spring assists in core removal when drilling thin plates. Strengthen the non-slip triangular handle to greatly improve the punching efficiency.

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