1-9/16'' RH15A Drill
- Drill
- 0.01 amps
- Corded electric
- 18.61 pounds
- More reviewed than 66%
A heavy corded drill built around 230 volt power and a single 900 RPM speed, suited to shops already wired for that voltage rather than a typical US garage.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 369 drills we track
4.6★ across 661 Amazon ratings, Bayesian-smoothed toward the category average.
661 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
50+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 369 drills we track - how the scorecard works · full drills data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
This corded drill, model RH15A, is rated for 230 volt power and drives at a single 900 RPM speed. Listing data lists a 1-9/16 inch reference in the title alongside an 8.44 kilogram body, pointing to a heavy duty unit built for demanding boring work rather than light household tasks.
The brand field on this listing did not capture cleanly, so treat the RH15A model number as the identifier to search rather than a company name. Running on 230 volts means it is built for markets or job sites wired for that current, not a standard US wall outlet. Buyers in the US will need a step up transformer or a matching circuit before this drill will spin at all.
- 230 volt corded electric power source
- Fixed 900 RPM operating speed
- 8.44 kilogram (about 18.6 lb) body weight
- Model RH15A
Who it's for
Suited to tradespeople or shops that already run 230 volt equipment and need a corded drill with sizeable bit capacity for repeated heavy boring. Not a fit for anyone expecting to plug into a normal 120 volt household outlet.
Strengths and trade-offs
Drawn from this product's published specifications.
- Corded power means no battery to charge or replace
- Single speed 900 RPM suits sustained heavy boring
- 4.6 rating across 661 reviews
- Runs on 230 volts, not standard US household current
- 8.44 kilogram body is heavy for one handed use
- Listing brand field is unclear
Performance notes
At a fixed 900 RPM, this drill trades speed for torque, the kind of setup used for boring larger holes rather than driving small fasteners quickly. The 8.44 kilogram body, about 18.6 pounds, adds mass that helps keep the bit steady under load but will tire out one handed use over a full shift. Corded electric operation means no battery to manage, at the cost of needing a suitable power source nearby.
Specifications
| Brand | 1-9/16'' |
|---|---|
| Model | RH15A |
| Amperage | 0.01 amps |
| Power Source | Corded electric |
| Item Weight | 18.61 pounds |
| Voltage | 230 volts |
| Speed | 900 rpm |
How it compares
This product against the closest alternatives we track in drills.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| 1-9/16'' RH15A DrillThis product | 4.6 / 5 | 661 | 4.1 / 5 |
| AVID CD316-20 DrillAVID | 4.6 / 5 | 23,200 | 4.6 / 5 |
| SKIL SD561801 DrillSkil | 4.7 / 5 | 11,399 | 4.6 / 5 |
| Hi-Spec DT30317R-CA DrillHi-Spec | 4.4 / 5 | 14,822 | 4.5 / 5 |
| Fanttik E1 Max DrillFanttik | 4.5 / 5 | 7,298 | 4.5 / 5 |
Similar drills from other brands
Questions about the 1-9/16'' RH15A
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What voltage does the RH15A drill run on?
Listing data specifies 230 volts, which is not standard US household current, so a compatible circuit or transformer is needed.
Is the RH15A cordless?
No, it is corded electric, so it needs to stay connected to a power source while in use.
How fast does the RH15A spin?
The listing gives a single fixed speed of 900 RPM.