4Z1 2-Speed Concrete Core Drill Package
- 1500 W, 110 V motor, AC powered
- 950 rpm listed speed, sold as a 2-speed drill
- 38 lb weight, listed as portable
- Diamond bits, part number shows 1 to 4 inch sizes
- Included components read Bare-Tool, conflicting with the package title
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A portable concrete coring drill sold as a package, for a crew that needs holes in masonry. The title says package deal while the included components line says bare tool, so confirm what ships before you order.
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ASIN: B00P9S88QQModel: 4Z1Category: Drills
Overview
CORE builds the 4Z1 as an AC-powered coring drill with diamond tooling for boring through concrete. The listing calls it a package deal, and the part number points to a four inch core drill with one to four inch bits.
Diamond tooling suits masonry coring work, and the listed weight makes the unit portable. The problem is clarity: the package label, the components entry and the single listed speed all disagree.
Who it's for
Plumbers, electricians and concrete cutters who core through slabs and walls will use this as intended once the contents are confirmed. Someone who needs a stand, water feed or accessories confirmed up front should ask the seller first.
Pros and cons
- Diamond tooling for concrete coring
- Portable weight for jobsite moves
- Two speed gearbox per the title
- Voltage matches standard jobsite supply
- Included components conflict with the title
- Only one speed value listed
- Stand and water feed not listed
Performance notes
A diamond core bit grinds a ring through concrete, so smooth feed pressure and the right speed matter more than raw force. Wattage and gear reduction set how much torque reaches the bit, and speed selection should follow bit size. The listing does not describe a stand or water feed, so check how the drill is meant to be supported.
Specifications
| Brand | CORE |
|---|---|
| Model | 4Z1 |
| Dimensions & fit | |
| Item weight | 38 pounds |
| Capacity & performance | |
| Speed | 950 rpm |
| Wattage | 1500 watts |
| Power & efficiency | |
| Power Source | AC |
| Maximum Power | 1500 wattshigher than 83% of 129 drills |
| Voltage | 110 voltshigher than 74% of 233 drills |
| Construction & materials | |
| Material Type | Diamond |
| Color | Black, black red |
| Included components | |
| Included Components | Bare tool |
| Other details | |
| Special Features | Portable |
Closest rivals on specs
Frequently asked questions
How do I clean and care for the CORE 4Z1?
The listing gives no care steps. Diamond bits generally need rinsing and drying after use, so follow the maker's manual for the drill and the bits.
Does the CORE 4Z1 come with bits?
The title says package deal and the part number mentions 1 to 4 inch bits, but the included components line reads bare tool. Confirm with the seller.
Can the 4Z1 run on a normal household outlet?
The listing gives 110 volts and 1500 watts, so it needs a circuit with that capacity.