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"Overlap and cut" is impossible
Cannot be used in drill press.
When in use, please pay attention to the impact of the super hard Inserts when penetrating with center drill so that Inserts do not break .
Please use only after securely catching on shank.
Hole drilling work on iron, stainless steel, copper and aluminum plates etc
Iron plate: Less than 4mm
Stainless steel plate: Less than 3mm
Aluminum plate: Less than 2mm
Effective Length (Maximum Cutting Depth) (mm)
Effective Length (mm)
Shank Diameter (phi mm)
Effective Cutting Ability (mm)
Overall Length (mm)
* Products that meet your criteria are shown in
It is the second purchase, although I feel short for the lifespan, I wish it was suitable for price. What I bought this time was that the spring for prevention of chewing was loose and quickly disengaged.
Drilling in soft iron and stainless steel square pipe
On 2015-09-06 21:44:36
Three chips jumped out during drilling of iron square pipes (STKMR material) t 1.6 and became unusable. I think that there is no incompleteness in handling in the work while painting tapping oil at low speed still 7 to 8 times since purchase. Durability It seems to be a problem of quality management before. I'm sorry.