► Finer | Sprockets 20B/24B/28B THRO BORE

Controlled Drive Performance for Heavy Chain Systems Large pitch chain drives place sustained pressure on every rotating component. Finer 20B, 24B & 28B Thru Bore Sprockets are specified for drive systems where torque loads, chain mass, plus continuous duty demand accurate engagement without compromise. Seen across bulk handling, quarry operations,...

Controlled Drive Performance for Heavy Chain Systems

Large pitch chain drives place sustained pressure on every rotating component. Finer 20B, 24B & 28B Thru Bore Sprockets are specified for drive systems where torque loads, chain mass, plus continuous duty demand accurate engagement without compromise.

Seen across bulk handling, quarry operations, agricultural processing, plus fixed plant maintenance, these sprockets suit machinery running beyond light-duty limits. The thru bore configuration supports flexible shaft sizing, making installation simpler during upgrades or retrofits. Many operators specify these sprockets alongside Special Chains to maintain correct pitch matching across heavy transmission layouts.

Within conveyor systems, they are commonly matched with Roller Chains designed for larger pitch operation. Where lifting or transfer motion is involved, these sprockets often operate within assemblies supported by Chain, Wire & Rope components to manage combined load plus movement control.

For guided motion systems, integration with Pulleys, Blocks & Sheaves helps stabilize chain travel under variable load. In high-stress layouts, maintenance teams frequently pair these sprockets with Mounted Bearing Units to control shaft movement plus reduce alignment drift. Larger drive systems may also reference Sprockets across multiple pitch ranges to standardize spare parts.

What’s in This Collection:

► 20B, 24B & 28B pitch sprockets
‣ Built for large-pitch chain drives carrying heavy torque

► Thru bore sprocket designs
‣ Allows adaptable shaft fitment plus flexible locking methods

► Heavy-duty steel construction
‣ Supports sustained load plus extended operating cycles

► Precision tooth profiles
‣ Promotes smooth chain seating plus reduced impact loading

► Service-friendly formats
 ‣ Suitable for shutdown upgrades plus rapid replacement work

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  • Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 13 Tooth | 20B-1-13PB
    Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 13 Tooth | 20B-1-13PB
    Sprocket Pilot Bore 20B-1-13TH BS 1-1/4" Pitch Simplex | 20B-1-13PB built for serious trade use. Reliable performance, zero fluff — fit for workshops across the Mornington Peninsula and beyond. Backed by Industrial Shed service and support.► Key Features‣ Trade-tough construction for daily use‣ Consistent...
    $56.12
    $56.12
  • Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 12 Tooth | 20B-1-12PB
    Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 12 Tooth | 20B-1-12PB
    Sprocket Pilot Bore 20B-1-12TH BS 1-1/4" Pitch Simplex | 20B-1-12PB built for serious trade use. Reliable performance, zero fluff — fit for workshops across the Mornington Peninsula and beyond. Backed by Industrial Shed service and support.► Key Features‣ Trade-tough construction for daily use‣ Consistent...
    $50.08
    $50.08
  • Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 11 Tooth | 20B-1-11PB
    Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 11 Tooth | 20B-1-11PB
    Sprocket Pilot Bore 20B-1-11TH BS 1-1/4" Pitch Simplex | 20B-1-11PB built for serious trade use. Reliable performance, zero fluff — fit for workshops across the Mornington Peninsula and beyond. Backed by Industrial Shed service and support.► Key Features‣ Trade-tough construction for daily use‣ Consistent...
    $41.50
    $41.50
  • Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 10 Tooth | 20B-1-10PB
    Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 10 Tooth | 20B-1-10PB
    Sprocket Pilot Bore 20B-1-10TH BS 1-1/4" Pitch Simplex | 20B-1-10PB built for serious trade use. Reliable performance, zero fluff — fit for workshops across the Mornington Peninsula and beyond. Backed by Industrial Shed service and support.► Key Features‣ Trade-tough construction for daily use‣ Consistent...
    $35.26
    $35.26
  • Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 9 Tooth | 20B-1-09PB
    Sprocket Pilot Bore (Large) 1-1/4" (BS 20B-1) Simplex 9 Tooth | 20B-1-09PB
    Sprocket Pilot Bore 20B-1-09TH BS 1-1/4" Pitch Simplex | 20B-1-09PB built for serious trade use. Reliable performance, zero fluff — fit for workshops across the Mornington Peninsula and beyond. Backed by Industrial Shed service and support.► Key Features‣ Trade-tough construction for daily use‣ Consistent...
    $30.20
    $30.20

Engineered for High Load Operation Across Australian Sites

Heavy industrial environments across Australia expose chain drive systems to dust, vibration, heat, plus long operating hours. Finer 20B, 24B & 28B Thru Bore Sprockets are selected for equipment where consistent power transfer plus controlled chain engagement protect uptime.

These sprockets are used throughout mining support plant, agricultural conveyors, materials handling systems, plus processing lines where torque levels fluctuate under load. Precision-machined tooth geometry helps distribute force evenly across the chain, reducing shock during start-up plus limiting uneven wear.

Maintenance teams value this range during shutdowns where shaft replacement is not practical. Retaining existing shafts while upgrading sprockets reduces downtime plus simplifies installation planning. Correct sprocket selection also helps extend chain service life, lowering replacement frequency across critical drive systems.

Industrial Shed supplies this collection with bulk availability, trade pricing structures, plus efficient order handling. Ongoing customers rely on Tool & Equipment Care for maintenance planning support, while Warranty & Parts Support provides confidence when uptime is non-negotiable.

► Suits large-pitch chain transmission systems
► Handles high torque plus sustained load
► Thru bore flexibility for varied shaft setups
► Backed by Industrial Shed trade-focused supply

Heavy-Duty Sprockets Ready When Downtime Is Not an Option

Source Finer 20B, 24B & 28B Thru Bore Sprockets through Industrial Shed to keep heavy chain drives running reliably. Confirm pitch requirements, match system loads, plus secure trade-backed supply with fast turnaround when equipment availability matters most.

Frequently Asked Questions

They are commonly used in bulk conveyors, crushers, processing equipment, plus high-load transmission systems.

Yes. Thru bore sprockets allow reuse of existing shafts, reducing machining time during upgrades or replacements.

When correctly matched to chain pitch plus alignment, they perform reliably in high-duty continuous service.

Brands

Finer Power Transmissions

Finer Power Transmissions