spade drill

This video shows our mian product spade drill. spade drill series: 。Applicable to CNC equipment ，rocker drilling，vertical drilling，boring-milling machine，in the rail，road fork batch drilling，the using performance is excellent; 。Inner cooling design of holder enable excellent chip removal and good cooling 。High accuracy of the connections between the inserts and holders ensures high clamping accuracy，and easy to replace inserts 。Inserts are made of powder high speed steel，combined with various coating and increase efficiency for 2 times compare with twist drill 。The design of replaceable structure can continue drilling operation without adjustment after changing the insets New cutting geometrical reduce the cutting resistance greatly 。Insert have the function of chip-breaker ，which improves the stability of holes drilling. Compared with twist drill , the high-efficient drilling fe