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Ridgid 41855 pipe threading machine, portable grey metal body, manual chuck, 120 V motor, single speed 38 RPM

Ridgid

Ridgid 41855 Pipe Threading Machine 120 V 38 RPM 1/2 hp

SKU CH-N10V-KTCC1

Portable pipe threading machine cuts 1/8 to 2 inch pipe at 38 RPM with a 1/2 hp 120 V motor

  • Product typeDies & Taps
  • 120 V single-phase motor powers through 1/8 in to 2 in pipe
  • 38 RPM free speed delivers consistent threading rhythm
  • 1/2 hp standard motor handles continuous shop use
  • 15 A current draw fits standard workshop circuits
  • Manual chuck and bare-tool kit keep setup flexible

Portable Pipe Threading Machine

The Ridgid 41855 is a portable pipe threading machine built for job-site pipe fabrication. It threads pipe from 1/8 in up to 2 in and rod from 1/4 in to 2 in. The unit runs on 120 V single-phase power and draws 15 A at 60 Hz.

Capacity and headroom

A 1/2 hp motor turns the chuck at a fixed 38 RPM, giving steady torque for carbon-steel and stainless pipe within the stated range. The single-speed gearbox means throughput is constant; larger diameters near 2 in will take longer per cut and the motor will run closer to its thermal limit.

Upgrade path

The machine replaces hand dies or smaller bench threaders when repeatable, straight threads are needed on pipe up to 2 in. It is not suited for production volumes that demand multi-speed or through-head oiling, nor for pipe sizes beyond the 2 in maximum. The bare-tool kit requires separate die heads for each size.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $2,665.99
Pricier than about 99% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameRIDGID
Product typeDies & Taps

Questions about this item

Will the 120 V, 15 A motor run on my existing 120 V workshop circuit?

The machine draws 15 A at 120 V single-phase, so a dedicated 20 A circuit is recommended to avoid tripping a shared breaker.

How can I confirm the 38 RPM threading speed is correct after setup?

With the motor running unloaded, count revolutions for one minute; the chuck should complete 38 full turns at the single speed setting.

Does the box include dies for 1/2 in to 2 in pipe, or must I buy them separately?

The kit is a bare tool — no dies are included — so you need to purchase the required die heads for 1/2 in through 2 in pipe separately.

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