Product Introduction
WW3020
Product Name : Thread Stem Swivel Caster With HEX
Product No : WW3020
  • Load Capacity: 60-100 LBS (30-50 Kgs)Each Caster.
  • Application: Excellent for Office Furniture and Institutional Equipment and Hospital environment.
  • Finishs: Metal Thickness 2m/m,with Corrosion resistant  Zinc, Nickel, Chrome, Antique Plating.
  • Option: 2" Side Locking Brake( SB ) or Front Locking Brake( FB ).
DIAMETER
INCH
( m/m )
TREAD WIDTH
INCH
( m/m )
WHEEL TYPE BEARING AXIE SIZE
INCH
( m/m )
CASTER
 NUMBER
3
( 75 )
13/16
( 21 )
Soft Rubber (SR) Plain 1/4 
( 6.3 )
WW3020SR
Hard Rubber (HR) Plain WW3020HR
Polyurethane (U) Plain WW3020U
Polyurethane (U) Ball WW3020BU
Thermoplastic (TPR) Plain WW3020TPR
Thermoplastic (TPR) Ball WW3020BTPR
Polypropylene (P) Plain WW3020P
Nylon (N) Plain WW3020N
LOAD 
CAPCITY 
   LBS ( Kgs )
SWIVEL RADIUS
INCH
( m/m )
OVERALL HEIGHT
INCH
( m/m )
CASTER 
NUMBER
80 ( 36.3 ) 29/16
( 65 )
31/2
 ( 88 )
WW3020SR
80 ( 36.3 ) WW3020HR
100 ( 45.4 ) WW3020U
100 ( 45.4 ) WW3020BU
100 ( 45.4 ) WW3020TPR
100 ( 45.4 ) WW3020BTPR
100 ( 45.4 ) WW3020P
100 ( 45.4 ) WW3020N
THREAD STEM SIZE ( HEX )
INCH
STEM   
NUMBER
5/16 - 18 x 3/4 H1
5/16 - 18 x 1 H2
5/16 - 18 x 11/2
H3
5/16 - 18 x 13/8(35mm) H35
5/16 - 18 x 19/16(40mm) H40
3/8 - 18 x 3/4 H4
3/8 - 16 x 1 H5
3/8 - 16 x 11/2
H8
M12 x P1.25 - 19 ( m/m )  H6
M12 x P1.75 - 50 ( m/m ) H7
M8 x P1.25 - 15 (m/m) H15