Hercules 20V Brushless HCB81B vs Hercules 20V Lithium‑Ion Cordless Compact 1/4 in. Hex Impact Driver (Tool Only)
Both are Hercules 20V brushless tools, but they are different classes of tool. The HCB81B is listed at 84 ft-lb, while the HC81B impact driver is listed at 184 ft-lb with 3,600 RPM and a 4-mode control. For driving long screws and lag bolts, the HC81B is the stronger pick. The HCB81B makes more sense only if you want a lighter, lower-torque driver and the price gap is real.
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Hercules 20V Brushless HCB81B
Choose the Hercules HCB81B if you want a lower-torque 20V brushless driver and the listed price is clearly below the HC81B.
- Brushless motor for longer runtime than brushed tools
- 84 ft-lb is enough for light to medium driving
- Shares the Hercules 20V battery platform
- Torque is less than half the HC81B's rating
- No listed speed or mode specs
- Fewer published details than the HC81B
What separates them
| Hercules 20V Brushless HCB81B | Hercules 20V Lithium‑Ion Cordless Compact 1/4 in. Hex Impact Driver (Tool Only) | |
|---|---|---|
| Maximum torque | 84 ft-lb | 184 ft-lb |
| Maximum speed | Not listed | 3,600 RPM |
| Speed modes | Not listed | 4-mode: three speeds plus Auto |
| Chuck type | 1/4 in chuck/drive | 1/4 in hex quick-change, keyless |
| Motor | Brushless | Brushless |
| Battery platform | Hercules 20V lithium-ion | Hercules 20V lithium-ion |
| Weight | Not listed | 7.5 lb |
| In the box | Not listed | Tool only, belt clip |
Price history
- Hercules 20V Brushless HCB81B: lowest $68.99 on Oct 31 at Amazon.
- Hercules 20V Lithium‑Ion Cordless Compact 1/4 in. Hex Impact Driver (Tool Only): lowest $68.99 on Oct 31 at Amazon.
Prices at every store
Hercules 20V Lithium‑Ion Cordless Compact 1/4 in. Hex Impact Driver (Tool Only)
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Specs compared
| Spec | Hercules 20V Brushless HCB81B | Hercules 20V Lithium‑Ion Cordless Compact 1/4 in. Hex Impact Driver (Tool Only) |
|---|---|---|
| Power Type | Cordless | Cordless |
| Color | Black | Blue |
| Maximum Torque | 84 ft-lb | 184 ft-lb |
| Chuck / Drive Size | 1/4 inch chuck / drive | 1/4 inch chuck / drive |
| Voltage | 20 volts | 20 volts |
| Battery Type | Lithium-ion | — |
| Weight | — | 7.5 lb |
| Maximum Speed | — | 3,600 RPM |
| Battery chemistry | — | Lithium-Ion (Li-Ion) |
| Battery capacity | — | 5 Ah |
What reviewers say
Hercules 20V Brushless HCB81B
Owners of Hercules 20V tools generally rate the line as strong value for the money, with the brushless impact driver praised for torque and durability in home and light trade use. Complaints tend to focus on the bare-tool packaging and the lack of fine speed control.
- Plenty of torque for deck screws and lag bolts
- Brushless motor holds up to repeated use
- Good value against name-brand impact drivers
- Battery platform shared across the Hercules line
- Batteries and charger cost extra
- Trigger is not variable enough for delicate work
- Bulkier than some 12V alternatives
Questions and answers
- Which has more torque, the HCB81B or the HC81B?
- The HC81B. It is rated at 184 ft-lb, against 84 ft-lb for the HCB81B. That is more than double.
- Do both use the same Hercules 20V batteries?
- Yes. Both run on the Hercules 20V lithium-ion platform, so one battery set works with either tool.
- Is the HC81B too heavy for overhead work?
- At 7.5 lb it gets tiring above shoulder height. The HCB81B is the lighter-feeling option if you mostly drive short screws overhead.
- Which is better for deck screws and lag bolts?
- The HC81B. Its 184 ft-lb and 3,600 RPM drive long fasteners that would stall a lower-torque driver.
- Does either come with a battery?
- The HC81B is listed as tool only, so batteries and a charger are sold separately. Check the HCB81B listing for what is included.
- Is the HC81B worth the extra money?
- If you drive long screws or lag bolts regularly, yes. For light assembly work, the HCB81B's lower torque is enough and may cost less.