it is secured and held in the holder by a locking screw ¬∑ the flat on the drill shaft enables... more

it is secured and held in the holder by a locking screw ¬∑ the flat on the drill shaft enables the drill to be precisely adjusted, extending beyond the cutting teeth of the hole saw ¬∑ short version suitable for holder shaft item no. 40 00 814 640 ¬∑ long version suitable for holder shaft item no. 40 00 814 641