Fein 72705461000 Review: Who It Fits and Who Should Skip It

What stands out

• 10,000 N magnetic force for secure attachment to metal surfaces
• 35 mm drilling capacity for carbide and HSS cutters
• 135 mm spindle travel with a total lifting stroke of 260 mm
• 1,100 W absorbed power with 550 W useful output
• Tool-free cutter change system for quick adjustments

Who it fits

Key specs explained for Fein

Motor Power: 1 100 W

This absorbed power rating indicates the electrical energy the motor draws from the outlet during operation. It is not the same as useful power, which is 550 W for this unit. Higher absorbed power supports the internal mechanics needed to drive heavy cutters through dense steel. When comparing to benchtop drill presses, look at useful power for actual cutting capability. This spec helps you gauge if the tool can handle sustained load without stalling on thick metal plates.

Hole Capacity: 35 mm

This value defines the maximum diameter of hole the drill can produce using carbide or HSS cutters. A 35 mm limit allows you to create large anchor bolt holes or structural connections in a single pass. Smaller benchtop drills often max out at 13 mm or 16 mm. This spec is critical if you need to drill oversized holes for heavy machinery mounting. It ensures the machine can handle large-diameter tools without requiring multiple step-drilling operations.

Spindle Speed: 1-speed, 130 - 520 RPM

The unit operates at a single gear ratio, offering a variable speed range from 130 to 520 RPM. This range allows you to adjust the rotation speed based on the cutter diameter and material hardness. Lower speeds suit larger cutters for torque, while higher speeds work for smaller drills. Unlike multi-speed benchtop presses, you adjust speed via the trigger. This flexibility covers most standard magnetic drilling tasks without needing to change gears.

Chuck Capacity: 3/4 in Weldon

This specifies the type and size of the tool holder interface. A 3/4 inch Weldon shank is a standard flat-sided holder used for magnetic drill cutters and taps. It ensures secure grip and precise alignment for heavy-duty cutting tools. Benchtop drill presses typically use keyless or keyed chucks for round shanks. This spec means you must use compatible Weldon-style tools. It is the standard for professional magnetic drilling accessories.

Spindle Travel: 135 mm

This is the vertical distance the spindle and cutter can move downward during drilling. A 135 mm stroke allows you to drill deep holes or use long extension bits. It also provides clearance for chip removal and coolant flow in deep cuts. Benchtop drill presses often have limited table travel. This spec is vital for drilling through thick materials or when using specialized deep-hole accessories. It ensures the tool can reach the bottom of deep holes without hitting the base.

Design and build details

The Fein KBU 35 QW is a universal magnetic drilling unit built for metal work. According to the listing, it features a robust construction typical of "Made in Germany" tools. The magnetic stand measures 175 x 80 mm and provides a lifting stroke of 135 mm, with a total lifting stroke of 260 mm. This generous stroke allows for flexible positioning on construction sites. The unit weighs 10.6 kg according to the EPTA standard. The listing also states the total weight is 37.8 pounds, with dimensions of 26.8 inches in width, 17.7 inches in length, and 9.84 inches in height. These dimensions suggest a compact footprint for a machine of this power.

The design includes a 4-meter cable with a plug for connectivity. It comes with a lubricant tank, safety strap, chip hook, ejector, and chip protection grid. The chuck is a 3/4 in Weldon socket, allowing tool changes without tools. The spindle travel is 135 mm. This layout supports efficient workflow on job sites. The magnetic force is rated at 10,000 N, ensuring stability on metal surfaces. The right and left rotation options add versatility. The finish and materials are chosen for resistance to demanding working conditions. This build quality suits professionals who need reliable performance in tough environments. The design prioritizes function and durability over aesthetic features.

Setup and everyday use

Setting up the Fein KBU 35 QW begins with securing the magnetic base to a flat metal surface. The magnetic force of 10,000 N provides the holding power needed for stability. You attach the safety strap to ensure the unit remains fixed during operation. The cable length of 4 meters gives you reasonable reach around the workpiece.

Daily use involves selecting the appropriate cutter for your task. The unit accepts carbide and HSS cutters up to 35 mm in diameter. You change cutters without tools, which simplifies switching between drilling depths and tapping operations. The maximum drilling depth is 50 mm, and the twist drill capacity reaches 16 mm. For tapping, the machine handles up to M 14 threads.

The spindle speed ranges from 130 to 520 RPM. You can adjust the rotation direction to suit left or right-hand threads. The chuck capacity is 3/4 inch Weldon, which is standard for magnetic drilling accessories. The spindle travel is 135 mm, and the total lifting stroke is 260 mm. This large stroke allows you to drill deeper holes without repositioning the machine frequently.

The unit includes a lubricant tank to maintain cutter life and reduce heat. A chip hook and ejector help manage debris. The chip protection grid keeps your workspace clear. The weight is 10.6 kg according to EPTA standards. This makes it portable enough for construction sites but substantial enough for precision work. You use it primarily for metal fabrication and on-site drilling tasks.

Before You Buy This Magnetic Drill

This Fein unit is a specialized tool for metal fabrication, not a standard benchtop drill. You must have a flat, thick steel surface to attach the magnetic base. The 10,000 N holding force requires clean contact. Check your cutter inventory. It accepts carbide and HSS cutters up to 35 mm, plus twist drills up to 16 mm. The 3/4 in Weldon socket is standard, but verify your existing tooling matches. You will need cutting fluid for sustained work. The listing includes a lubricant tank and chip protection grid, so check if you need additional coolant. Maintenance involves cleaning the magnetic face and checking the cable. This tool sits outside typical home workshop categories. It suits professionals doing field work or heavy industrial drilling. If you only drill wood or light metal, look at the other 1 options listed here. They offer versatility this single-purpose machine lacks. This unit demands specific conditions to operate safely and effectively.

Check before you buy

• Verify you have a flat steel surface for the magnetic base.
• Confirm your cutters fit the 3/4 in Weldon socket.
• Check that metal thickness supports the 10,000 N holding force.
• Ensure you have cutting fluid for sustained drilling operations.

The product at a glance

1

Fein 35 mm Universal Magnetic Drill

Best for: Professional magnetic drilling on steel construction sites

Motor Power

1 100 W

Spindle Speed

1-speed, 130 - 520 RPM

Hole Capacity

35 mm

Spindle Travel

135 mm

Chuck Capacity

3/4 in Weldon

Configuration

Magnetic

View on Amazon: Fein 35 mm Universal Magnetic Drill Affiliate link

The Fein KBU 35 QW is a universal magnetic drilling unit designed for metal work. It features a 1,100 W motor and achieves hole capacities up to 35 mm. The unit offers a 130 to 520 RPM speed range and a 135 mm spindle travel. It weighs 37.8 pounds and includes a 4-meter cable. This tool suits professionals needing robust, portable drilling on construction sites.

Pros

• 1,100 W absorbed motor power for heavy-duty metal drilling
• 35 mm hole capacity for carbide and HSS cutters
• 10,000 N magnetic force for secure attachment to metal
• 135 mm spindle travel with 260 mm total lifting stroke

Cons

• Single speed range limits fine-tuning for specific materials
• 10.6 kg weight adds bulk for extended handheld use
• Requires external power via 4-meter cord only

Good fit if

• You need high magnetic force for vertical drilling on steel
• You require a 35 mm capacity for large diameter cutters
• You work on construction sites requiring portable magnetic units

Skip if

• You need variable speed control for different materials
• You prefer a lightweight tool for overhead work
• You require wireless operation without a power cord

Verdict: Fein KBU 35 QW Magnetic Drill Press delivers high magnetic force and robust power for professional metal drilling tasks. It fits construction workers who need a secure, high-capacity unit for on-site work.

Specifications side by side

Frequently asked questions

See also

• fein 72705461000 alternatives
• fein vs CS Unitec drill press