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Foredom H.MH-1 Adjustable Jacobs Chuck Microgrinder Handpiece - Otto Frei
Foredom

Foredom H.MH-120 Adjustable Jacobs Chuck Microgrinder Handpiece

Part # 134.539 Available to order Weight <0.1 lb / <5 g
Limited time deal-15%
$383.27
List Price: $450.90

Availability Sold out

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Description

The Foredom H.MH-120 is an adjustable Jacobs chuck microgrinder handpiece designed for precision rotary work. Featuring a geared 3-jaw Jacobs chuck — the same style found on the popular Foredom #30 handpiece — it accepts a wide range of bits and burs from 0 to 4.0 mm (5/32") in diameter, closing all the way down to zero for maximum versatility. This handpiece plugs directly into the Foredom HP4-917 Control Box (sold separately) and is operated via the control box dial or an optional variable speed foot control.

Compared to the standard Foredom micromotor handpiece, the H.MH-120 delivers more torque while operating at a lower maximum speed of 20,000 RPM—making it well suited for heavier grinding and material removal tasks that benefit from added power over raw speed.

Features

  • Adjustable geared 3-jaw Jacobs chuck accepts bits from 0 to 4.0 mm (5/32") in diameter
  • Chuck closes all the way down to zero—no minimum bit size required
  • Speed controlled via the HP4-917 Control Box dial or compatible variable speed foot control
  • Maximum speed of 20,000 RPM with higher torque than the standard micromotor handpiece
  • Plugs directly into the Foredom HP4-917 Control Box

Specifications

Chuck Type Adjustable Jacobs 3-jaw chuck
Chuck Capacity 0–4.0 mm (0–5/32")
Maximum Speed 20,000 RPM
Handpiece Length 8-3/32" (206 mm)
Handpiece Diameter (cord end) 1-3/8" (35 mm)
Handpiece Diameter (chuck end) 1-1/64" (26 mm)
Weight 1 lb 2 oz (510 g)
Compatible Control Box Foredom HP4-917 (sold separately)

Notes

This listing is for the microgrinder handpiece only. The Foredom HP4-917 Control Box is required for operation and is sold separately. This handpiece is not a standalone unit.

Specifications

Brand
Foredom
Part #
134.539
Type
Rotary Tools
Dimensions
9 in x 8.5 in x 2.5 in
Chuck Type
Adjustable Jacobs 3-jaw chuck
Chuck Capacity
0–4.0 mm (0–5/32")
Maximum Speed
20,000 RPM
Handpiece Length
8-3/32" (206 mm)
Handpiece Diameter (cord end)
1-3/8" (35 mm)
Handpiece Diameter (chuck end)
1-1/64" (26 mm)
Weight
1 lb 2 oz (510 g)
Compatible Control Box
Foredom HP4-917 (sold separately)

Documents

Specs, manuals, and certificates for this product. All files open in a new tab.

K.1020 Micromotor Owner's Manual Manual · 1323 KB · 3 pages
California Prop 65 Warning California Prop 65 Warning:
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm. www.P65warnings.ca.gov.

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