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Help Center1200W Dual-Function Clutch Hammer Drill 8830B, 920 RPM, Hammer & Drill
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Product Overview
The 8830B dual-function clutch hammer drill is a step up from the 8802B-1, designed for professional tradespeople who regularly handle larger-diameter concrete drilling and longer production cycles. Driven by a 1200W high-torque motor running at 920 r/min no-load speed, the 8830B delivers the additional power needed to drive larger SDS-Plus bits through reinforced concrete and to sustain continuous production work in commercial construction environments. Like the 8802B-1, the 8830B integrates a mechanical safety clutch that disengages the drive train if the bit jams, providing essential protection for both the operator and the gearbox.
Drilling Performance
The 8830B operates in two modes selected by a side-mounted mode switch. In hammer-drill mode (rotation + impact), the tool delivers percussive blows combined with bit rotation, optimized for drilling into concrete, brick, natural stone, and masonry. Maximum drilling capacity in concrete is 28mm — handling larger wedge anchors, chemical anchors for heavy loads, and through-holes for plumbing and HVAC pipe routing. In drill-only mode (rotation only), the tool functions as a conventional rotary drill for steel, wood, and plastic — ideal for steel framing, wooden beam work, and plastic conduit installation.
Safety Clutch & Motor Protection
The integrated mechanical safety clutch is a defining feature of the 8830B. When the bit encounters a hidden rebar, a knot, or a particularly hard aggregate, the clutch disengages within milliseconds, preventing dangerous kickback torque from reaching the operator and protecting the gearbox from mechanical damage. This makes the 8830B significantly safer than clutch-less hammer drills in production environments where hidden rebar or other obstructions are common. The motor is protected by a thermal overload relay that interrupts power if winding temperatures exceed safe limits during heavy use.
Build & Ergonomics
The double-insulated motor housing requires no grounding wire, simplifying site power connections. The main D-handle features a rubber-overmold grip and an integrated variable-speed trigger that allows the operator to ramp speed up gradually — slow start for clean hole beginnings on smooth or coated surfaces, full speed for rapid penetration once the hole is established. A forward/reverse switch above the trigger provides quick bit removal from deep holes. The 360° adjustable auxiliary front handle is rubber-overmolded and can be locked at any working angle for safe two-handed operation whether drilling overhead, horizontally, or at floor level. A depth gauge rod is included for consistent hole depth.
Maintenance & Field Service
Routine maintenance is straightforward. The sealed gearbox is lubricated for life and requires no user service. The SDS-Plus chuck accepts all standard SDS-Plus drill bits and chisels from major tool brands, with bit changes completed in under 5 seconds. Motor brushes are accessible via a service cover. The cooling air vents are positioned to keep construction dust and debris out of the motor during horizontal and overhead drilling.
Typical Applications
Larger-diameter concrete anchor installation, reinforced concrete drilling, brick and stone through-holes, plumbing and HVAC wall routing, electrical panel mounting, light chiseling of plaster and tile, renovation and commercial construction.
Packing & Logistics
Supplied in a protective plastic case with auxiliary handle and depth gauge. Qty/CTN: 4/1.
Parameters
| Parameter | Value |
|---|---|
| Item No. | L182630 |
| Model | 8830B |
| Rated Voltage | 220V~ |
| Rated Power | 1200W |
| No-Load Speed | 920 r/min |
| Function | Hammer & Drill (Dual-Mode) |
| Safety Feature | Mechanical Safety Clutch |
| Max Drilling (Concrete) | 28mm |
| Chuck Type | SDS-Plus |
| Packing | Plastic Case |
| Qty/CTN | 4/1 |
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