Tech Alphabet Number 8 3D, Incl. number & design Envato Cyan magenta font Number 8 EIGHT 3D render illustration isolated on Lucky number 8 8 Eight Number Red Sign 3d Stock Illustration 2196679699 Shutterstock. 8" x 2 1 2" Semi Steel Wheel Swivel Caster Semi Steel offers a strong, durable, cost effective solution of heavy loads. Hard tread rolls easily and offers high abrasion resistance. Tread face is precisely machined for a smooth, centrical ride, tread edge is machined round. Tread & Core: Steel Alloy Bearing: Roller Bearing Rig: Forged steel swivel caster, 4 1 2" x 6 1 4" mounting plate Capacity: 1,600 Lbs. Color: Silver Hardness: Brinell 145 Tensile Strength: 30,000 PSI Temperature Range: 45 F to 600 F Load Capacity 1,600 Lbs. Wheel Diameter 8" Tread Width 2 1 2" Tread Type Steel Alloy Core Type Steel Alloy Bearing Type Roller Bearing Wheel Color Silver Overall Height 9 1 2" Swivel Radius 6 3 8" Plate Size 4 1 2" x 6 1 4" Bolt Hole Pattern 2 7 16" x 4 15 16" to 3 3 8" x 5 1 4" Bolt Hole Diameter 1 2" Tensile Strength 30,000 PSI Temperature Range 45 F to 600 F