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The Hercules HC81B is a bare-tool 20V impact driver with a brushless motor, a 1/4 in. quick-change hex chuck and a rated 184 ft-lb of torque at up to 3,600 RPM. It is built for driving screws and tightening bolts with impact-rated bits and sockets, and it runs on Hercules 20V batteries you already own. It offers a high-performance brushless motor in a compact frame for working in confined spaces.
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Lowest price we've seen: $68.99 on Oct 31 at Amazon. Tracked across 1 store since Oct 31.
20V Cordless 1/4" Hex Impact Driver (Tool Only)
Compact 20V lithium‑ion impact driver designed for fast driving and tightening in tight spaces. Features a 1/4 in. hex chuck for quick bit changes and cordless convenience; battery and charger sold separately.
Key Features:
Compact Power: 20V lithium‑ion platform delivers strong fastening performance in a small footprint
Quick Bit Changes: 1/4 in. hex chuck for fast, one‑handed swaps
Cordless Convenience: Tool‑only design lets you use existing 20V batteries and chargers
Control and Comfort: Ergonomic grip and balanced body reduce fatigue during extended use
Specifications Table:
Specification
Details
Power Source
20V Lithium‑Ion (battery sold separately)
Chuck Type
1/4 in. hex quick‑change
Tool Style
Cordless, compact
Included
Bare tool (no battery or charger)
Frequently Asked Questions (FAQ):
Q: Does this include a battery and charger?
A: No. This is a tool‑only listing; battery and charger are sold separately.
Q: What type of bits does it accept?
A: Standard 1/4 in. hex shank impact‑rated bits.
Q: Is it suitable for heavy‑duty fastening?
