Rothenberger 00579 Collins Classic 22A Threading Machine: Full Breakdown for Plumbers and Pipefitters

If you've been threading pipe by hand on a job site, you know the labor that goes into it. One or two joints with a hand die is manageable. A full commercial rough-in, a mechanical room with dozens of connections, or a gas line run through a building is a completely different situation. That's where a dedicated threading machine comes in handy.

The Rothenberger 00579 Collins Classic 22A Threading Machine is a heavy-duty electric pipe threading machine built for daily professional use. It covers 1/2 inch to 2 inch pipe capacity with a 2-3/4 HP motor, two Snap-O-Matic die heads, a Collins SUPER GRIP chucking system, HSS precision dies, and a built-in automatic oil system. 

It's a machine designed for plumbers, pipefitters, gas fitters, sprinkler fitters, and any trade professional who regularly threads pipe.

WHAT'S INCLUDED:

• (1) Rothenberger 00579 Collins Classic 22A Threading Machine
• (2) Snap-O-Matic die heads (standard)
• Precision pipe cutter with dual guide
• 5-blade conical reamer
• Safety foot switch
• 1 gallon oil reservoir

"** Stand not included. 

See Rothenberger 00045.

The Collins Classic 22A is a corded electric pipe threading machine designed for production use in plumbing, pipefitting, gas fitting, fire suppression, and mechanical contracting. It runs on a 115V HD universal AC/DC motor that develops up to 2-3/4 HP and uses a 6-brush motor design for higher torque. That extra torque is what keeps the machine cutting steadily through heavy-walled steel, galvanized, and black iron pipe without bogging down under load.

The machine threads pipe and conduit from 1/8 inch to 2 inches and bolt or rod from 1/4 inch to 2-1/4 inches using the included Snap-O-Matic die heads. All threading is to NPT (National Pipe Taper) standard — the thread form used across US plumbing, gas, fire suppression, and mechanical piping systems. Standard no-load spindle speed is 72 RPM, with optional 54 and 100 RPM configurations available.

This is a machine that lives on a stand or a solid work surface on a job trailer or in a shop. It's not something you're moving around by hand — it's something you set up and run pipe through all day.

The Collins Classic 22A runs on a 115V HD universal AC/DC motor rated up to 2-3/4 HP. The 6-brush motor design is built specifically for higher torque — and that matters here more than raw speed. Threading dies cutting through heavy-walled steel or galvanized pipe put a real load on the motor. A machine that bogs down under that load produces inconsistent threads. One that holds its speed through the cut produces clean, accurate NPT threads every time.

The universal AC/DC motor also means it handles both 50 and 60 Hz power, which gives it flexibility across different power setups on the job.

Standard no-load spindle speed is 72 RPM. Optional configurations at 54 RPM and 100 RPM are available — slower for larger diameter pipe or harder materials, faster when you're pushing production volume on smaller pipe.

The chuck is what holds the pipe in place while the dies cut. A chuck that doesn't grip firmly and center the pipe consistently is going to give you inconsistent threads, and inconsistent threads mean leaks, callbacks, and wasted time. The Collins Classic 22A uses the Collins SUPER GRIP chucking system — four heavy-duty jaws positioned at both the front and rear of the machine that automatically grip and center the pipe without manual adjustment.

• Right and left (R/L) chucking for versatile pipe positioning
• Four heavy-duty jaws at both front and rear automatically center the pipe every time
• Easy jaw replacement when they wear 
• Compatible with metal pipe; special jaws available for plastic-coated pipe

The automatic centering is a real production advantage. You're not spending time dialing in alignment before every thread. You chuck the pipe, it centers, and you cut.

The Collins Classic 22A comes standard with two Snap-O-Matic die heads. Here's why that matters in production work:

• Fast-operating automatic die heads — no slow manual cranking between operations
• Self-releasing: thread length is automatically adjusted, and the die head opens and releases the pipe at the correct length without manual reversal
• Adjustable thread depth for different fitting and application requirements
• Long thread facility for applications that need extended thread length
• Simple, quick die changes without time-consuming adjustments
• All controls are clearly marked for straightforward operation

That self-releasing function is the one that saves you the most time on a busy job. On a machine without it, you reverse and back off the die manually after every single thread. On a job where you're cutting fifty joints in a day, that adds up to a lot of wasted motion. The Snap-O-Matic opens automatically at the right thread length; you pull the pipe, chuck the next piece, and go.

Two die heads come standard, which means you can have a second size set up and ready to swap without stopping to reconfigure. A Uniquad die head is also available as an optional upgrade for specific applications.

The die quality is what determines thread quality, and thread quality is what determines connection integrity. The Collins Classic 22A uses HSS (High Speed Steel) precision dies engineered for professional use.

• Long operating life compared to standard dies
• Optimum cutting geometry produces clean, accurate NPT threads
• Excellent chip discharge keeps the cutting zone clear during threading
• Can be resharpened — extends die life and reduces long-term replacement cost

 That last point is worth understanding if you're doing the math on total cost of ownership. Most budget threading machines use dies that get thrown away when they're worn. HSS precision dies can be resharpened by a qualified service shop. For a machine running in a busy shop or on back-to-back commercial jobs, that's real money saved over time.

Threading oil isn't optional on a production machine — it's as essential as the dies themselves. Cutting dry ruins dies fast and produces rough, off-spec threads. The Collins Classic 22A has a fully integrated automatic oil system so you're not thinking about this while you work.

• Rugged, proven oil pump built for heavy professional use
• Automatic oil feed delivers cutting oil continuously to the die head during threading — no manual application between cuts
• 1-gallon oil reservoir provides extended capacity for long production runs
• Large, easy-to-empty chip tray collects metal shavings and keeps them out of the oil

Rothenberger specifies ROCOOL cutting oil for this machine — a sulfo-chlorinated mineral oil formulated specifically for pipe threading. The chemistry of the cutting oil matters: the right oil extends die life, keeps thread dimensions accurate, and produces the kind of clean surface finish that seals properly with standard pipe dope or tape.

The two most important maintenance habits with this machine are keeping the oil reservoir full and changing the oil when it gets contaminated. Dark, metal-laden cutting oil is doing more harm than good. Check it before every session.

The Collins Classic 22A isn't just a threading machine. It's a complete pipe preparation station in one unit, which is a significant practical advantage on a job site or in a production shop.

• Precision pipe cutter with dual guide: the dual guide keeps the cut square and accurate, which is critical for a clean thread start. An angled or ragged pipe end produces a bad thread no matter how good the machine is. 
• 5-blade conical reamer: removes the burr from the inside of the pipe after cutting. Deburring isn't optional: a burr left on the inside of threaded pipe restricts flow, collects debris, and can damage valves and fittings downstream.

Having cutting, reaming, and threading all on one machine means you're not moving pipe between stations. You cut it, ream it, and thread it in one place. On a job running a lot of pipe, that workflow efficiency adds up across a full day.

The Collins Classic 22A is designed to be used on a stand, and Rothenberger offers two options for it:

• Rothenberger 00045: Open wheel stand with tool tray: The standard working stand for the Collins Classic 22A. Wheels make it easy to reposition on a job site, and the tool tray keeps accessories within reach. 
• Closed wheel stand with locking tool cabinet: The secure option for shop environments or job trailers where tool storage and security matter.

Additional and replacement die sets for the Collins Classic 22A are available separately. Rothenberger's Snap-O-Matic NPT die sets are compatible replacements, including options for the larger pipe size range.

For applications that require a different die configuration, the optional Uniquad die head is available as an upgrade. Contact ToolUp.com for details and availability.

This threading machine is made for threading pipe, which is a regular part of your work; this is the level of machine you need. Here's how it fits across the trades.

This is the core user. Commercial new construction, renovation work, mechanical rooms, gas piping, hydronic heating — anywhere you're threading steel, galvanized, or black iron pipe in volume, you need a dedicated machine. Hand cutting threads is fine for a joint or two. For anything beyond that, you're wasting time and wearing yourself out. The 1/8 to 2 inch range covers the vast majority of pipe sizes a plumber encounters day to day.

Mechanical contractors and sprinkler fitters working on commercial fire suppression systems deal with threaded steel pipe constantly. Thread quality is not negotiable on a fire suppression system. A bad thread is a leak point, and a leak point on a sprinkler system is a failure point. The Collins Classic 22A's HSS precision dies and Snap-O-Matic heads produce consistent threads that meet the standard those jobs demand.

Natural gas and propane systems with threaded steel pipe leave no margin for a bad thread. A clean, accurate NPT thread seals correctly. An off-spec or incomplete thread doesn't — regardless of how much sealant gets applied. Owning a reliable threading machine means you're not depending on a rental that may or may not be in good working condition when you need it.

Maintenance crews in manufacturing plants, industrial facilities, and large commercial buildings often need threading capability for repairs and modifications to existing pipe systems. Having a Collins Classic 22A in the maintenance shop means a threading job is a same-day task.

Rothenberger operates across more than 60 countries and is recognized globally as one of the leading names in professional pipe tools. 

Their US operation, Rothenberger Tools USA, carries the full lineup, including the Collins Classic series threading machines, which are listed as featured products on the Rothenberger US website alongside their other innovative threading machines.

The Collins threading machine name has its own long history in the North American pipe trades, predating Rothenberger's acquisition of the brand. 

For decades, Collins threading machines were a recognized name on job sites and in shops across the country. Rothenberger absorbed that heritage and has continued to produce the Classic series for North American professional tradesmen.