Colson Medical Nylon Total Lock Plate Casters - 6 Inch

This collection holds Colson Medical Nylon Total Lock Plate Casters 6 Inch with polyolefin, polyurethane and metal wheels, built for shop carts, equipment, and material handling carts that move heavier loads. Casters in this collection range from 500 to 900 lb per caster. Wheels in this category range from 4 up to 8 inches in diameter with a 2 in tread width. The collection includes swivel and brake models. Polyolefin is light, low cost, and resists water and many chemicals. It is hard, so it is loud on rough floors. Polyurethane (poly or urethane) treads are quiet, floor safe, and resist water and many chemicals. Metal wheels roll with low effort and handle debris and heat. They are loud and can mark finished floors. Match plate size, bolt pattern, and overall height before you order. Read the listing for the exact wheel size, overall height, and mount shown. Polyolefin aisle: polyolefin casters. Wheel hub: replacement wheels.

6 in Colson medical nylon total lock plate casters by tread

Tread	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Polyolefin	4, 5, 6 and 8 in	500 to 900 lb	-40°F to 600°F	wet and chemical areas, light to medium loads
Polyurethane	4, 5, 6 and 8 in	500 to 900 lb	Up to 250°F	quiet, floor-friendly and long wearing
Stainless steel	5 in	650 lb	-40°F to 600°F	washdown and corrosive areas

Ratings are for single casters of 6 in Colson medical nylon total lock plate casters, from product fields [S1].

Wheel sizes

Wheel	Treads	Rated
4 x 2 in	polyurethane and polyolefin	500 lb
5 x 2 in	polyurethane and polyolefin	650 lb
5 x 4-1/2 in	polyolefin	650 lb
6 x 2 in	polyurethane and polyolefin	700 lb
8 x 2 in	polyurethane and polyolefin	900 lb

Choosing 6 in Colson medical nylon total lock plate casters

Load: divide the loaded weight by three for a four-caster cart [S2]; at 900 lb each, 6 in Colson medical nylon total lock plate casters suit a loaded cart of about 2,700 lb.
Mount: most 6 in Colson medical nylon total lock plate casters use a 4 x 4-1/2 in top plate; check the bolt spacing on your frame against the plate size.
Floor: on 6 in Colson medical nylon total lock plate casters, polyurethane is kinder to tile and finished floors; polyolefin and stainless steel roll easier under heavy loads on smooth concrete.
Rig: swivel 6 in Colson medical nylon total lock plate casters are listed, with total lock brake options.
Heat: among 6 in Colson medical nylon total lock plate casters, the highest listed range is -40°F to 600°F on polyolefin; check the temperature field on each listing before oven or hot-room use.

Related to 6 in Colson medical nylon total lock plate casters: Colson casters.

6 in Colson medical nylon total lock plate casters questions

How much weight can 6 in Colson medical nylon total lock plate casters carry?

Single 6 in Colson medical nylon total lock plate casters are rated 500 to 900 lb; most fall between 650 and 900 lb.

What top plate do 6 in Colson medical nylon total lock plate casters use?

Most 6 in Colson medical nylon total lock plate casters use 4 x 4-1/2 in.

What wheel material is most common on 6 in Colson medical nylon total lock plate casters?

Polyolefin leads on 6 in Colson medical nylon total lock plate casters, rated 500 to 900 lb per caster. Among 6 in Colson medical nylon total lock plate casters, polyurethane is next at 500 to 900 lb.

Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com

Sources

[S1] CasterHQ product fields (rated load, diameter, width, wheel and core material, temperature range, mount) and product descriptions for the items on this page, pulled October 20, 2026.
[S2] Preferred Equipment casters and wheels quick guide PDF (prefeq.com): load sizing on one less caster, wheel types and floor notes.

BHP: 1-3/4″ × 2-7/8″, slotted to 3″

BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″

BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)

BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"

(3″ Wide Casters), Industry-Standard

BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"

BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"

View All • 21 Plate Sizes

Plate Casters

Stem Casters

Stainless Casters

Ergonomic Casters

Leveling Casters