ITEM TITLE :- NEW IMPACT DRILL BOSCH GSB 451 PROFESSIONAL TOOL , SUITABLE FOR :- IMPACT DRILL , TECHNICAL DATA SPECIFICATION : Rated power input 500 W , No-load speed 2600 rpm , Power output 250 W , Rated speed 0 - 1610 rpm , Drill spindle connecting thread 1/2"-20 UNF , Chuck capacity 1 - 10 mm , Impact rate at no-load speed 41600 bpm , Drilling dia in concrete 10 mm , Drilling dia in wood 20 mm , Drilling dia in steel 8 mm , PART NUMBER :- 0 601 216 0K6 , TOOL FEATURES : Ergonomic handle for comfortable use , Higher dynamic load rated ball bearing for long life ,