When it's a tough call, there's Tuffline. Shop replacement Kawneer 350 Tuffline and Kawneer 500 Tuffline entrance door parts for heavy-duty commercial aluminum entrance systems designed for demanding, high-traffic applications.
Kawneer 350 and 500 Tufflineâ„¢ Entrances were engineered as complete systems incorporating the door, frame and commercial door hardware into a rugged entrance designed to withstand the demanding conditions encountered at busy commercial and institutional buildings.
Automatic Door and Hardware supplies replacement parts and hardware for maintaining and repairing existing Kawneer Tuffline commercial entrance doors, helping building owners, maintenance departments, contractors and door technicians keep these heavy-duty entrances in service.
Kawneer's 350 and 500 Tuffline Entrances were developed as heavy-duty entrance systems for buildings where a conventional commercial storefront entrance may be subjected to unusually high pedestrian traffic and physical abuse.
The system combines a rugged aluminum door, frame and compatible hardware into a complete entrance package. Tuffline entrances are particularly suited to schools, universities, shopping centers, stadiums, convention centers and other heavily traveled commercial or institutional entrances.
One of the easiest ways to distinguish the two Tuffline entrance families is by the width of the vertical door stiles.
The Kawneer 350 Tuffline entrance uses a 3-1/2" (88.9 mm) wide door stile with a 2" deep door section.
The Kawneer 500 Tuffline entrance uses a 5" (127 mm) wide door stile with a 2" deep door section.
Tuffline entrances were engineered around strength and durability. The heavy-duty construction makes these doors particularly well suited for entrances that experience continuous pedestrian traffic and demanding use.
A major feature of the Tuffline entrance is Kawneer's dual moment welded corner construction. Commercial entrance doors are continually subjected to forces as pedestrians pull, push and operate the door throughout the day.
The Tuffline corner construction is designed to resist both lever-arm and torsional forces, helping the door maintain structural integrity in the demanding environments for which the entrance was designed.
| 350 Tuffline Stile Width | 3-1/2" (88.9 mm) |
| 500 Tuffline Stile Width | 5" (127 mm) |
| Door Section Depth | 2" (50.8 mm) |
| Door Height Range | 7' to 9' |
| Door Width Range | 3' to 4' |
| Frame Face Width | 2" (50.8 mm) |
| Frame Depth | 4-1/2" (114.3 mm) |
| Glazing Infill | 1/4" through 1" (6.4 to 25.4 mm) |
These entrances were built to last, but the individual pieces of commercial door hardware can wear from years of repeated operation. Replacing worn components can often restore an existing Tuffline entrance and extend the useful service life of the door.
Shop this category for Kawneer 350 and 500 Tuffline replacement entrance parts and commercial door hardware. When replacing existing hardware, verify your Tuffline series and compare the original component with the replacement part before ordering.
Before ordering replacement parts, first determine whether the entrance is a Kawneer 350 Tuffline or Kawneer 500 Tuffline. Measuring the vertical stile is an important starting point because the two series use different stile widths.
Helpful information to check before ordering includes:
The heavy-duty design of the Tuffline system makes it particularly appropriate for buildings where entrances experience significant pedestrian traffic. Typical applications include:


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