428 Roller Chain Kit, 20 Feet, 478 Links, 08B Simplex Chain For Chain Driven Sliding Gates And Garage Openers, Extension, Includes Chain Breaker And 12 Connecting Links, Built Tough

Smart 428 Roller Chain Kit for Gate Opener Systems
✔️ 428 chain, 20 ft length, 12 connecting links, 08B standard

This 428 simplex roller chain kit uses the 08B standard chain (428) to drive chain-driven sliding gates and garage openers. It provides reliable power transmission for gate motors and related equipment, with simple length adjustments and included chain breaker and 12 connecting links for quick setup. Common interchanges: RS08B, 08B-1, RC08B-1, RS08B-1.

Dimensión	mm	inches
Paso (P)	12.7	0.50
Roller Width (W)	7.75	0.312
Roller Diameter (D)	8.51	0.335
Pin Diameter (E)	4.45	0.175
Plate Height (H)	11.8	0.456
C/L Width (A)	18.2	0.722
Resistencia a la tracción	3,900 LBS	N/A
Chain Weight	0.44 lbs/ft	N/A

✅ Length: 20 feet (6.1 m) with 478 links, includes 12 connecting links
✅ Pitch: 12.7 mm (0.50 in); roller width 7.75 mm (0.312 in)
✅ Tensile strength: 3,900 lbs
✅ Material: carbon steel with precise assembly
✅ Easy installation: adjustable length with included chain breaker

💡 What is a chain drive kit used for in gate and garage opener systems?

A handy setup that transfers motor torque to sliding gates and garage doors, keeping motion smooth and aligned. - Applies to chain-driven gates and garage doors - Maintains tension and reduces chain slip - Simple length adjustments with standard parts - Includes chain breaker and 12 connecting links