Putting, fast replaceable SDS Top drills for pneumatic rotary hammers have a 14 mm diameter of a shank and have 4 oval-shaped grooves, from which on one side there are 2 closed and 2 open grooves. In order to calculate from the total length of a drill its pararell length, one has to substract 70 mm from the total length. This is the length at which the drill is putted on the hammer.
Drills which have a hexagonal grip are putted on a normal clamping head or on a collet drill chuck. Hexagonal form allows to keep the drill in the chuck in proper alignment, so there is a better energy transfer.
Dimensions (mm): 10.9 x 7.0 x 16.9
Compatible with Part Number: 191941-2
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