NEW LOCKFORMER PITTSBURGH 20GA

The 20 gauge Pittsburgh rollforming machines have 5 forming stations with 2 forming positions. One inboard forming position forms the Pittsburgh lock and one auxiliary or outboard forming position has the capability of forming 1 of 3 different profiles (see right for list of outboard-mounted auxiliary roll sets).

An optional Auto-Guide Power Flanger attachment is available for the 20 gauge Pittsburgh machine. The flanging attachment follows any edge straight of irregular while forming a 7/32 (outside) flange height. Just turn up a starting flange in the table slot, feed materials into the rolls and let go. Handles radii down to 3.25" or 1.375" manually at speeds of 16 - 18 fpm.

The Pittsburgh lock revolutionized the HVAC industry in the late 1940’s and is still used today for its strength and ease in assembling ductwork. And for nearly that long, the Lockformer Pittsburgh Lock Roll Formers have set the standard for product quality and performance. The Lockformer Pittsburgh Lock Roll Former | Model 20 has a capacity of 20–26 gauge at a speed of up to 25 feet/minute and features five (5) forming stations with two (2) forming positions — one inboard forming position forms the Pittsburgh lock and one auxiliary or outboard forming position has the capability of forming 1 of 3 different profiles.

Brand - Lockformer
Model - LK-20
Type - Pittsburgh Lock Model 20

Capacity - 20–26 gauge
Depth of Pocket / Size - 5/16" (Uses approximately 1" of material)
Other - Width of hammer-over edge adjustable up to 3/8". Extended shafts for mounting auxiliary rolls.
Speed - 25 feet per minute
Motor / Voltage - 3/4 hp, 115/230 volts, 60 cycle, single phase, A.C. 1,800 RPM. Other motor
Dimensions - Length: 36” x Width: 16.5” x Height: 41”
Passline - 32"
Weight - Weight: 450 lbs.

**Shown with optional auto flanging attachment.

TERMS:
FOB FACTORY, Cedar Rapids, Iowa - Includes Manufacturer’s 1-Year Warranty, Full Payment due prior to shipment. Price includes machine prep and loading on buyers truck. Immediate availability, stock machines subject to prior sale. All specifications are assumed to be correct but must be confirmed by the purchasing entity.

More Details:

Lockformer Pittsburgh Lock Roll Formers are available in six (6) different configurations (including the Model 20 shown) with varying capacities, configurations, and forming speeds to fit your specific operational needs. All Lockformer Pittsburgh Lock Roll Formers feature:

Industrial motors and high-precision needle-type bearings

Heavy 3/4″ chassis plate

Case-hardened and ground roll shafts

Arc-welded steel stands protected with Lockformer’s top-quality primer and paint finish.

OPTION:
Lockformer Auto-Guide Power Flanger attachment is available for the Lockformer Pittsburgh Lock Roll Former | Model 20. This flanging attachment will automatically follow any edge – straight, inner, or outer radii — while forming a 7/32 (outside) flange height and no change over is necessary between Pittsburgh Lock and flanging operations… just turn up a starting flange in the table slot, feed materials into the rolls and let go. Handles radii down to 3-1/4” or 1-3/8” manually at speeds of 16-18 fpm.

+$3,800 (4/2026)