1932 - Bosch produced the first electric rotary hammer. Subsequent introductions included the lightest 2 Kg. rotary hammer in the world (1981) and SDS-Max®; bit holding system (1990) for quick, easy hammer bit changes. Bosch 1404VSR 4.8 Amp 1/4" Hex VSR Drywall Screwdriver Regular price: $89.99 Our price: BOSCH HD19-2 1/2" 2-Speed Hammer Drill Bosch 11255VSR 1" SDS Plus Bulldog Rotary Hammer Regular price: $239.00 Our price: Bosch RH328VC SDS MAX Rotary Hammer Regular price: $309.00 Our price: Bosch 11247 1-9/16" Spline Combination Rotary Hammer Drill Regular price: $399.00 Our price: Bosch RH432VCQ SDS MAX Rotary Hammer Regular price: $429.00 Our price: Bosch 11264EVS 1-5/8" SDS-MAX Rotary Hammer Bosch 11265EVS 1-5/8” Spline Rotary Hammer Regular price: $589.00 Our price: Bosch 11316EVS SDS-max® Demolition Hammer Regular price: $749.00 Our price: Bosch 11263EVS 1-3/4" SDS-max® Rotary Hammer Regular price: $719.00 Our price: