This is a conventional hammer drill, meaning two ribbed cams ratchet against each other behind the chuck so the bit taps forward as it spins. That mechanism is simple and cheap to build, and at 7.5 amps it moves enough energy to drive a 3/16 inch to 1/4 inch masonry bit through brick and block at a patient pace. A switch on the body flips the tool between plain drilling and hammer drilling, so the same drill handles pilot holes in framing lumber and anchor holes in a basement wall.
The tradeoff is impact energy. The cam action pounds far less per blow than the piston in the SDS-plus machines in this roundup, so the Seesii 9 amp drives a similar bit through concrete noticeably faster. It also lacks a clutch, so a sheared or jammed bit can twist the handle against your wrist, and a firm two-hand grip matters when the bit snags. For a renter hanging a TV bracket into brick or a homeowner setting a few fence post anchors, the simplicity is an advantage because there is nothing to adjust beyond the mode switch.
Ownership is easy. The keyless chuck should be retightened after the first minute of hammer drilling because vibration walks it loose, and the cam faces wear faster if you leave it in hammer mode while drilling wood. Keep the bit set in its case and replace dull masonry bits, since a rounded carbide tip does more damage to the drill than a hard wall does.
What works
- Cam hammer action handles brick and block anchors at a patient pace
- Full 1/2 inch keyless chuck accepts the larger bits cheap drills skip
- Corded power means no battery platform to commit to
- One mode switch keeps setup simple for first-time users
Watch out for
- Impact energy is far below any SDS-plus machine for cured concrete
- No clutch or torque limiter, so a jammed bit kicks hard
- Cord length limits reach on outdoor jobs without an extension
Spec sheet
- Motor
- 7.5 amp corded
- Chuck
- 1/2 inch keyless, metal
- Modes
- Drill and hammer drill
- Speed control
- Variable trigger
- Included
- 6 piece bit set





