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TOOGOO Automatic punch center and aluminum shell 5 pcs step drill bit, high-speed steel drill

65374-189
Price:
¥157.44
¥ 157.44
Quantity:
-
+
(1743 available)
  • Description
Wide Applications: 50 hole size choices to cut through iron, aluminum, PV and insulating plate as well as other types plates easily
Durable Materials: ability of oxidation resistance, no rust and wear, long service life with titanium and cobalt plating coating
Unique Shape: straight grooved is for excellent heat dissipation and chip removal, v-type opening design ensures cutting faster and smoother. Automatic Center Punch: center punch with spring inside creates an automatic, high-impact force and the top red cap could save more effort
Delivers an automatic spring-driven strike when pressed against surface. Adjustable cap regulates striking force. Brass body has a deeply knurled surface for nonslip
Note: Check the concentricity of the spindle and spring chuck and the clamping force of spring chuck for the concentricity may cause the drill bit broken and make drill hole too large
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