Rotary Hammer

About and Sourcing

• It's a hammer that spins. It is not a hammer drill, which is a drill that vibrates. Distinction: full ramming motion vs vibration.
• Menards hammer drill -[1]]
• Menards rotary hammer - [2]. 6.5 ft lb of impact. HF 3.7 ft lb [3]
• Bauer cordless - [4]. They also have a 1/2" version (too small)
• Bauer beats dewalt in the 1/2" version - interesting! 1.6x faster! [5]

Bits

• SDS vs SDS Max - 10 vs 18 mm shank [6]
• SDS type - [7]

Drill Rate

• 8 seconds per inch for 3/8" hole [8]