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Parts & Accessories

Buy threaded tubing inserts, tube end caps, rubber bumpers, crutch tips, foam grips and more!

We also offer standard Steel bases for tube assemblies, plastic corners for tube framing, steel spring buttons, casters, and a growing assortment of our wide range of in stock parts.

Don't see what you need and need 100+? Reach out to us

Threaded insert for round tubing star insert 1/4-20, 3/8-16, 8-32 1/4-20 Threaded insert in 1-1/4" OD Aluminum tube x .038" wall
Female or Male Threaded Tubing Insert
End cap for round .038" tubing End Cap for Round Tubing
End Cap for Round Tubing
Rubber crutch tip for round tubing Rubber crutch tip for round tubing rubber bumper for round tubing aluminum or steel
Crutch tips and rubber bumpers for round tubing
Foam grip for round aluminum tubing Foam Grip For Round Tubing
Foam Grip For Round Tubing
75 lbs rated neodymium magnet with 1/4-20 thread x 3/4" long, 1.25" diameter Round Neodymium Magnet 75 lbs pull force rated 1-1/4" diameter with male 1/4-20 thread 3/4" long
75Lbs Pull-Force Neodymium Magnet 1/4-20 3/4" Male Set of 4
Diecast swivel lock with S knob, male one end female other with tightening puck similar to 851-00 knuckle Video showing swivels manufactured by Testrite
Ball Swivel Dicast Assembly
L Corner bracket for 1" round tubing, 90 degree plastic corner for 1" round tubing L Corner bracket for 1" round tubing, 90 degree plastic corner for 1" round tubing, spring button corner for 1" round tubing
1" OD Tubing plastic 90 degree L corner
Racetrack Oval End Cap 2" x 1" Plastic End cap for Racetrack Oval extrusion 1" x 2"
Racetrack Oval End Cap 2" x 1"
5/8" x 1-1/2" Mini Racetrack Oval End cap Set of 10 Plastic End Cap for Racetrack Oval Mini, 5/8" x 1-1/2" Black Plastic
5/8" x 1-1/2" Mini Racetrack Oval End cap Set of 10
End caps for square tubing 3/4", 1", 1-1/2" stocked
End cap for square tubing
Halo Rail End Cap Plastic End Cap for Halo Rail, 1-5/8" x 5/8", black plastic
Halo Rail End Cap
90 Degree L corner for 1-1/4" OD aluminum tubing with spring buttons for making flat aluminum tubing rectangles and pillowcase structures 1-1/4" OD Tubing plastic 90 degree L corner with spring buttons Set of 4
1-1/4" OD Tubing plastic 90 degree L corner with spring buttons Set of 4
3 Way Plastic corner for 1-1/4" 1.25" OD Aluminum Round Tubing to make aluminum tube cubes and rectangles, 3D rectangular prisms 32MM Aluminum tubing cube with plastic spring button corner connector
1-1/4" OD 3 Way plastic corner for cubes and rectangles with spring buttons Set of 4
3 Way Plastic Triangle Corner for 1-1/4" tubing 1.25" tubing with spring buttons, 32MM tubing, to form triangular aluminum tubing shpaes and triangular prisms 1-1/4" OD 3 Way plastic corner for triangles with spring buttons Set of 4
1-1/4" OD 3 Way plastic corner for triangles with spring buttons Set of 4
3 Way Plastic T Corner for 1-1/4" tubing 1.25" tubing with spring buttons, 32MM tubing 1-1/4" OD Tubing plastic T corner with spring buttons Set of 4
1-1/4" OD Tubing plastic T corner with spring buttons Set of 4
12" Square Steel base, shown with base bushing for Testrite Aluminum's 1" x .038" Aluminum tubing 12" Square Steel Base 5 lbs, 1/8" Thick
12" Square Steel Base 5 lbs, 1/8" Thick
12" Square Steel base, shown with base bushing for Testrite Aluminum's 1" x .038" Aluminum tubing 16" Square Steel Base 8 lbs, 1/8" Thick
16" Square Steel Base 8 lbs, 1/8" Thick
11" Round x 3/16" Thick 5 Lbs Steel Base 11 in Diameter with bushing for 1" round x .038" wall tight tolerance tube with threaded hole in side for 1/4-20 thread 11" Round base x 3/16" Thick 5 lbs round steel base 3 attachment options 11" round base with 1/4-20 male thread and other attachment options
11" Round Steel Base 5 lbs, 3/16" Thick
11" Round x 3/16" Thick 5 Lbs Steel Base 11 in Diameter with bushing for 1" round x .038" wall tight tolerance tube with threaded hole in side for 1/4-20 thread 15" Round Steel Base 9 lbs, 3/16" Thick, Flat
15" Round Steel Base 9 lbs, 3/16" Thick, Flat
Steel Travel Base, Swivel Travel base, Boomerang Shape, Black Steel Base Travel Base 1/4" Thick Steel Boomerang Base
Travel Base 1/4" Thick Steel Boomerang Base
T103 Steel Spring Button for 1/2" 5/8" 3/4" OD Tubing 0.5", 0.625", 0.75" OD Tubing with 3/16" diameter x 1/4" high head, zinc plated steel close up T103 Steel Spring Button for 1/2" 5/8" 3/4" OD Tubing 0.5", 0.625", 0.75" OD Tubing with 3/16" diameter x 1/4" high head, zinc plated steel zoom out
T-103 Steel Spring Button for 3/8" OD or 1/2" OD Tubing Zinc Plated Set of 5
T101 Steel Spring Button for 3/8" OD or 1/2" OD Tubing with 3/16" diameter x 1/4" high head, zinc plated steel close up T101 Steel Spring Button for 3/8" OD or 1/2" OD Tubing with 3/16" diameter x 1/4" high head, zinc plated steel Front View
T-101 Steel Spring Button for 3/8" OD or 1/2" OD Tubing Zinc Plated Set of 10
T120 Steel Spring Button for 3/4" OD 7/8" OD and 1' OD Tubing 0.75", 0.875", 1 inch OD Tubing with 0.24" 1/4" diameter x .028" or 1/4" high head, zinc plated steel close up straight leg T120 Steel Spring Button for 3/4" OD 7/8" OD and 1' OD Tubing 0.75", 0.875", 1 inch OD Tubing with 0.24" 1/4" diameter x .028" or 1/4" high head, zinc plated steel front view straight leg
T-120 Steel Spring Button for 5/8", 3/4", and 7/8" OD Tubing Zinc Plated Set of 10
T140 Steel Spring Button for 3/4" OD 7/8" OD 1' OD 1-1/8" OD and 1-1/4" OD Tubing 0.75", 0.875", 1 inch, 1.125" OD 1.25" OD Tubing with 0.3" 5/16" diameter head x .038" or 3/8" high head, zinc plated steel straight leg straight on T140 Steel Spring Button for 3/4" OD 7/8" OD 1' OD 1-1/8" OD and 1-1/4" OD Tubing 0.75", 0.875", 1 inch, 1.125" OD 1.25" OD Tubing with 0.3" 5/16" diameter head x .038" or 3/8" high head, zinc plated steel straight leg close up
T-140 Steel Spring Button for 1-1/4" OD Tubing Zinc Plated Set of 10
T180 Steel Spring Button for 1-1/8" OD 1-1/4" OD 1-3/8" OD 1-1/2" OD Tubing 1.125" OD, 1.25" OD, 1.375" OD, 1.5" OD Tubing with 0.38" diameter head x 3/8" diameter head .038" or 3/8" high head, zinc plated steel straight leg straight close up T180 Steel Spring Button for 1-1/8" OD 1-1/4" OD 1-3/8" OD 1-1/2" OD Tubing 1.125" OD, 1.25" OD, 1.375" OD, 1.5" OD Tubing with 0.38" diameter head x 3/8" diameter head .038" or 3/8" high head, zinc plated steel straight leg straight zoom out
T-180 Steel Spring Button for 1-1/8", 1-1/4", 1-3/8", 1-1/2" OD Tubing Zinc Plated Set of 10
T134 Steel Spring Button for 3/4" OD 7/8" OD 1' OD and 1-1/8" OD Tubing 0.75", 0.875", 1 inch, 1.25" OD Tubing with 0.25" 1/4" diameter head x .038" or 3/8" high head, zinc plated steel dog leg close up T134 Steel Spring Button for 3/4" OD 7/8" OD 1' OD and 1-1/8" OD Tubing 0.75", 0.875", 1 inch, 1.25" OD Tubing with 0.25" 1/4" diameter head x .038" or 3/8" high head, zinc plated steel dog leg zoom out
T-134 Steel Spring Button for 1" OD Tubing Zinc Plated Set of 10
T131 Steel Spring Button Auto Depressing Steel Spring Button T131 Steel Spring Button Auto Depressing Steel Spring Button Zoom Out
T-131 Auto Depressing Steel Spring Button for 5/8" up to 1-1/4" OD Set of 5
C Style Spring Button for 1-1/4" OD Tubing Zinc Plated Steel 1/4" Head 0.25" Head 0.2" High Close up C Style Spring Button for 1-1/4" OD Tubing Zinc Plated Steel 1/4" Head 0.25" Head 0.2" High Zoom out
T-135 C-Style Steel Spring Button for 1-1/4" and 1-3/8" OD Tubing Zinc Plated Set of 5
T136 Flat Double head spring button with hole, zinc plated steel flat double spring button with 1/4" diameter x 1/2" high head T136 Flat Double head spring button with hole, zinc plated steel flat double spring button with 1/4" diameter x 1/2" high head zoomed out view
T-136 Flat Style Double Head Spring Button Zinc Plated Set of 5
T130 Double head spring button, zinc plated steel double spring button with 1/4" head T130 Double head spring button, zinc plated steel double spring button with 1/4" head zoomed out view
T-130 Double Head Spring Button Straight Leg Zinc Plated Set of 5
T180 Steel Spring Button for 1-1/8" OD 1-1/4" OD 1-3/8" OD 1-1/2" OD Tubing 1.125" OD, 1.25" OD, 1.375" OD, 1.5" OD Tubing with 0.38" diameter head x 3/8" diameter head .038" or 3/8" high head, zinc plated steel straight leg straight close up T180 Steel Spring Button for 1-1/8" OD 1-1/4" OD 1-3/8" OD 1-1/2" OD Tubing 1.125" OD, 1.25" OD, 1.375" OD, 1.5" OD Tubing with 0.38" diameter head x 3/8" diameter head .038" or 3/8" high head, zinc plated steel straight leg straight zoom out
TA-180 Steel Spring Button for 1-1/8", 1-1/4", 1-3/8", 1-1/2" OD Tubing Zinc Plated Set of 10
T131 Steel Spring Button Auto Depressing Steel Spring Button T131 Steel Spring Button Auto Depressing Steel Spring Button Zoom Out
T-131 Auto Depressing Steel Spring Button for 5/8" up to 1-1/4" OD Set of 5
2-1/2" Diameter x 7/8" W swiveling ball bearing caster Ball bearing swivel caster with 5/16-18 thread
2-1/2" Locking Ball Bearing Caster 5/16-18 Male Thread (set of 4)
Plastic dual wheel caster, each wheel ~2" W, locking, includes 5/16-18 thread 1/2" long Scaled locking plastic caster
2" Plastic Caster 5/16-18 Male Thread (set of 4)
Monster Frame Straight U Joiner
Monster Frame L Internal Reinforcement Corner Set of 10