Caster Top Fittings (Stems)

Carpin offers a variety of stems, fittings, and top plates that permit casters to be attached to furniture.

 

The threaded stem (or bolt stem) screws into a T-nut or other threaded insert, and is commonly used with tables, carts, and metal furniture. Threaded stems are typically not recommended for use on chairs because with extended use the threaded stem can eventually become unscrewed.

 

Friction ring stems, popular for use in office furniture, consist of a smooth metal metal stem and an inner spring ring that compresses when the caster is inserted into the receptacle, thus providing sufficient holding power. Friction ring stems are highly economical and easily inserted and removed, making them ideal for use in plastic chair bases or tubular furniture.

 

Rectangular top plates get fastened to the bottom of the furniture and are most commonly found on credenzas, carts, and case goods.

 

Pintle stems (AKA bat-handle stems) require specially designed sockets. Pintle stems are mostly used in wood furniture to provide a more permanent mounting solution than friction ring stems.

 

Shown below are some common configurations:

 

Threaded Stem

 

Special threads and lengths are available upon request.

 

 

thread (A)

length (B)

1/4-20 x 1” long threaded caster stem

M6 x 20mm long threaded caster stem

5/16 x 1/2” long threaded caster stem

5/16 x 5/8” long threaded caster stem

5/16 x 1” long threaded caster stem

M8 x 12mm long threaded caster stem

M8 x 25mm long threaded caster stem

3/8 x 1/2” long threaded caster stem

3/8 x 5/8” long threaded caster stem

3/8 x 3/4” long threaded caster stem

3/8 x 1” long threaded caster stem

M10 x 12mm long threaded caster stem

M10 x 25mm long threaded caster stem

 

1/4-20

M6

5/16-18

5/16-18

5/16-18

M8

M8

3/8-16

3/8-16

3/8-16

3/8-16

M10

M10

 

1”

20mm

1/2”

5/8”

1”

12mm

25mm

1/2”

5/8”

3/4”

1”

15mm

25mm

 

 

Threaded Caster Stem

Friction Ring Stem (Grip Ring)

 

Special sizes are available upon request.

 

 

Friction Ring Caster Stem (Grip Ring)
drawing of Grip Ring Friction Ring Stem

click to view larger image

diameter (A)

length (B)

8x19mm Friction ring (grip ring) caster stem

10x22mm Friction ring (grip ring) caster stem

11x22mm Friction ring (grip ring) caster stem

11x25mm Friction ring (grip ring) caster stem

11x35mm Friction ring (grip ring) caster stem

 

8mm (0.3”)

10mm (3/8”)

11mm (7/16”)

11mm (7/16”)

11mm (7/16”)

 

22mm (3/4”)

22mm (7/8”)

22mm (7/8”)

22mm (1”)

22mm (1-3/8”)

 

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D-band Stem

 

 

 

 

D-Band Caster Stem

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Top Plate

 

 

Top Plate Stem for Caster
drawing of Top Plate

click to view larger image

length (A)

width (B)

38x38mm Top plate caster stem

50x30mm Top plate caster stem

55x55mm Top plate caster stem

 

38mm

50mm

55mm

 

 

 

38mm

30mm

55mm

 

 

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Socket Stem

 

 

 

Pintle Stem for Caster
drawing of Socket Stem

click to view larger image

diameter (A)

length (B)

50x30mm Top plate caster stem

 

8mm (0.3”)

 

 

 

38mm (1-1/2”)

 

 

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In addition to the standard configurations shown above, Carpin can customize a solution to meet your specific application requirements. Please contact us today to learn more.

 

 

Related products:

 

Office Chair Gliders

 

Gliders

 

Bell Glides

Carpin Manufacturing, Inc
411 Austin Road • P.O. Box 471 • Waterbury CT  06720
Tel: 203-574-2556     www.carpin.com