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K.8304 – SR Hang-Up Motor, Foot Control, and H.20 Handpiece

K.8304 – SR Hang-Up Motor, Foot Control, and H.20 Handpiece - Main image
$340.84 $460.6 In stock

Foredom K.8304 Flex Shaft Tool Set: M.SR Motor, C.FCT Foot Control & H.20 Quick Change Handpiece

The Foredom K.8304 Flex Shaft Tool Set is a premium, high-performance system built for jewelers, dental technicians, and detail-oriented craftspeople who require frequent and rapid accessory changes. This comprehensive set combines Foredom's most powerful general-use hang-up motor, a heavy-duty foot-operated speed control, and the specialized H.20 "Quick Change" handpiece. By providing the core components without pre-packed rotary accessories, the K.8304 allows you to build a personalized tooling setup tailored exactly to your professional needs.

What is Included in the K.8304 Set

This carefully curated set includes three of Foredom's top-tier components, designed to deliver precision and efficiency. A tube of flexible shaft grease is also included for routine maintenance.

Component Description and Key Features
M.SR Hang-Up Motor Foredom's best motor for general use. The 1/6 HP, ball-bearing motor operates in both forward and reverse at speeds up to 18,000 RPM. It delivers 66% more power than the older Series CC and 33% more than the Series S. It features a hang-up style design with a built-in motor bale and comes equipped with a standard 39-inch long key-tip inner shaft and outer sheath.
C.FCT Speed Control A rugged foot-operated speed control built with durable electronics. Housed in heavy-duty plastic with an extra-wide ergonomic design, it provides precise, comfortable speed management during extended workshop sessions.
H.20 Handpiece A specialized "quick change" handpiece preferred by jewelers who make frequent bur changes. It is designed exclusively for use with 3/32" shank accessories. The handpiece features a tapered plastic front grip for close handling and pre-lubricated ball bearings that never require lubrication.

Engineered for Speed and Precision

At the heart of this set is the M.SR motor, offering 1/6 horsepower to ensure consistent torque across a variety of demanding applications. Its ability to run in both forward and reverse directions provides significant advantages: it accommodates left-handed users comfortably, directs dust and debris away from the operator, and extends the lifespan of certain abrasives and polishing wheels.

The C.FCT foot control allows for seamless, hands-free speed adjustments up to 18,000 RPM. Its extra-wide footprint and heavy-duty plastic housing are built to endure the daily rigors of professional environments, reducing foot fatigue and increasing overall control.

The standout feature of the K.8304 set is the H.20 handpiece. Unlike standard chuck-style handpieces, the H.20 features a quick-change mechanism that allows you to swap out 3/32" shank accessories in seconds without the use of a chuck key. The tapered front grip allows for pencil-like control, making it ideal for intricate stone setting, fine detailing, and delicate carving.

Technical Specifications

Specification Detail
SKU K.8304
Voltage Options 115V (US), 230V (UK, Continental Europe, Australia)
Motor Type 1/6 HP, Ball Bearing, Hang-Up Style (M.SR)
Maximum Speed 18,000 RPM (Forward and Reverse)
Handpiece Compatibility 3/32" Shank Accessories Only (H.20 Quick Change)
Shipping Weight 11.7 lbs
Shipping Dimensions 19 × 12.25 × 4.5 inches
Warranty 2-Year Limited Warranty (Motor and Speed Control)

Note: This set does not include rotary accessories. Please ensure you always wear eye and face protection when operating power tools.

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Zoe E. ★★★★★

Swapped out my old flex shaft for this one and the foot control is the upgrade I didn't know I needed — it ramps up so smoothly I can feather the speed while polishing. The motor runs quiet and barely gets warm even after an hour of setting stones.

Avery ★★★★★

The quick-change handpiece saves me so much time switching between burs on the bench. Motor runs smooth and stays cool even after an hour of detailing. Way better than the old flex shaft I had.

Victoria S. ★★★★★

Bought this to replace a cheaper rotary setup for jewelry work, and the SR motor runs noticeably smoother with almost no vibration at the bench. The foot control is the real winner though, it lets me feather the speed while both hands stay on the piece.