National Sliding Door Hardware is strong and durable. #5116 Square track with hanger brackets spaced at 24" is designed for doors weighing up to 450 lbs. Track is 16 gauge galvanized steel.

# 5116 Door Track
8'
10'
12'
14'
16'
Track Hanger Brackets
Cannon Ball Keyhole Track is round, self-cleaning track. Hanger brackets tap into keyholes prepunched on 2' centers, in the top of the track. Three types of hanger brackets are available: face mount, face mount with track cover, and double track for bypassing doors. Designed for doors weighing up to 600lbs. Track is 14-gauge galvanized steel. Splice collars are used for joining sections of track. End caps provide protection from dust, debris and birds.
51-F Single Track Bracket
51-G Single Splice Bracket
51-H Double Track Bracket
51-HS Double Track Splice Bracket
Keyhole Door Track
Door Track.
8'
10'
12'
16'
Latches & Door Pulls
Double Track Hanger with Bolts
1254 Center Latch for Biparting Doors
1264 Jamb Latch with 7" Hook
1265 Jamb latch with 4" Hook
Face Mount Plain
Face Mount Track Cover
Door Guides & Stay Rollers
Splice Collar
322 Floor Mounted Center Door Guide
18 Regular Stay Roller, adjustable for small doors
318 Large Stay Roller, adjustable for Large Doors
319 Floor Mounted Stay Roller with socket
325 Door Guide, adjustable up to 5 1/2" Doors
End Caps
Trolleys For doors weighing up to 600lbs. All with Delrin wheels and needle bearing. offset bolt trolleys for wood or steel framed doors are 4-way adjustable. Wood Door Trolleys with adjustable saddle for solid doors up to 1 13/16" thick. Quiet and easy to roll.
Trolley Hangers
5001 Rigid Drop Bolt Trolley 3" or 6" Bolt Length
5022 Flexible 9" Drop Bolt Trolley
5005 Rigid Drop Strap Trolley with Lateral Adjust
5040 Flexible Drop Strap Trolley
9 1/2" Bolt Trolleys
6 1/2" Bolt Trolleys
Wood Door Trolleys
Door Bumpers
17 Door Bumper for 2" Doors
19 heavy Duty Door Bumper for 2 3/4" Doors
316 Adjustable Door Bumpers for 2"-3" Doors
317 Adjustable Door Bumpers for 4 1/2"-6" Doors