Bi Metal Iron High Speed Hole Saw Kit 

Bi Metal Iron High Speed Hole Saw Kit The hole saw kit is made of M42 bi metal material, which has undergone high-temperature quenching. The blade teeth are sharp, have high hardness, and are not easy to crack, making them very durable. This hole saw drill bit is suitable for drilling various materials such as wood, wooden boards, density boards, compression boards, plastic boards, iron sheets, etc. It can achieve high speed cutting and high efficiency. Product Features This circle hole saw drill bit can drill holes at high speed, with precision and speed, making opening holes time-saving and labor-saving. This hole saw drill bit is carefully cast with a front and rear inclined tooth shape, which can quickly balance and avoid deviation during drilling, making it more stable and durable.        This hole saw drill bit adopts a circular arc spiral chip removal groove design, which effectively removes chips and has…

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