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Q:It says it works with spline drive but pictured is a sds drive. Will this work in a spline Bosch drill?
A:The model DW5940 has a spline shank, and is only compatible with the spline series drills. You are correct in stating that the pictured bit has the grooves for an SDS chuck. However, the bit shipped will be for the spline series.
A:Yes, this unit is for use with all brands of SDS-max and Spline rotary hammers.
DEWALT offers a 30-day money back guarantee on all DEWALT accessories, except for pressure washer accessories. DEWALT accessories are fully guaranteed against defects in material and workmanship. The warranty does not cover misuse of product or normal wear and tear.