Bosch
Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit
$125Cheaper
Best Cordless Drills · head-to-head
Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit vs Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit
A sourced, side-by-side comparison. Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit is cheaper at $125. Every spec and price links to its source.
Ridgid
Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit
$199
Released 2021
Which is better: the Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit or Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit?
The Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit wins 2 of the 2 specs we compare head to head; the other wins 0. The Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit is the cheaper at $125. The Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit both leads on specs and costs less — the straightforward pick.
See Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit on Amazon See Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit | Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit |
|---|---|---|
| US price | $125 | $199 |
| Brand | Bosch | Ridgid |
| Released | — | 2021 |
| Voltage (V) | 18 | 18 |
| Max torque in (lb) | 400 | 800 |
| Chuck size (in) | 1/2 in | 1/2 in |
| No load speed (rpm) | 0-500 / 0-1,900 | 0-500 / 0-2,100 |
| Brushless | Yes | Yes |
| Battery included ah | 2 | 4 |
| Weight (lb) | 1.95 | 3.1 |
| Release | — | 2021 |
Sources — Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit: boschtools.com (verified 2026-06-19). Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit: ridgid.com (verified 2026-06-19).
What's the difference between the Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit and Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Max torque in (lb): Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit 400 vs Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit 800
- No load speed (rpm): Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit 0-500 / 0-1,900 vs Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit 0-500 / 0-2,100
- Battery included ah: Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit 2 vs Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit 4
- Weight (lb): Bosch GSR18V-400B12 18V Compact Brushless 1/2 in. Drill/Driver Kit 1.95 vs Ridgid R86115K 18V Brushless 1/2 in. Hammer Drill/Driver Kit 3.1