Description

Product Name：Upper Step Plate – Aftermarket  High‑Lead Bronze Cone Crusher spare parts For Symons 3FT, 4‑1/4FT, 5.5FT, 7FT Symons Cone Crusher spare parts
Material: High‑lead bronze castings ZCuPb15Sn8; customized bronze material solutions available on request.
Function
This upper step plate is a precision‑manufactured core component among Symons Cone Crusher spare parts, specially designed for Symons 3FT, 4‑1/4FT, 5.5FT and 7FT spring cone crusher models. Working together with lower step plate and socket liner inside the socket assembly, this bronze upper step plate bears heavy axial thrust, high‑speed rotational friction and continuous dynamic impact during mining, quarrying and aggregate crushing operations.
As essential Cone Crusher spare parts, our upper step plate features precise surface finish and optimized oil‑groove structure to ensure stable lubrication distribution, reduce metal‑to‑metal wear and protect key crushing components under heavy‑load working conditions. Our factory provides one‑stop supply of full Symons Cone Crusher spare parts and general Cone Crusher spare parts, including upper step plate, lower step plate, socket liner, inner bushing, outer bushing (frame bushing), eccentric bushing and other bronze wear parts for Symons crushing equipment.
Compatibility
Precision‑machined to perfectly match mainstream Symons spring cone crusher models: Symons 3FT, 4‑1/4FT, 5.5FT, 7FT.
All aftermarket upper step plate and matched Symons Cone Crusher spare parts are manufactured strictly in accordance with OEM tolerance standards, supporting direct interchangeable installation without modification.
Quality Control
Each upper step plate undergoes multi‑step rigorous inspection including chemical composition testing, hardness analysis, metallographic examination and full‑dimensional calibration.
Strict quality management guarantees excellent load‑bearing performance and longer service life for all our Cone Crusher spare parts and Symons Cone Crusher spare parts in harsh mining environments.
Applications
·Mining
·Quarrying
·Aggregate processing
·Cement construction materials
·Metallurgical industry
Basic Terms
MOQ: 1 piece
Lead Time: 7–15 working days (depends on stock status)
Payment Terms: T/T, L/C and other international common payment methods
Warranty: 12 months (based on normal working conditions)
Key Features
✅ Exact Fit for Symons Cone Crushers
Custom‑engineered upper step plate perfectly matches the original structure of Symons 3FT‑7FT socket assembly, ideal replacement among reliable Symons Cone Crusher spare parts.
✅ Premium ZCuPb15Sn8 High‑Lead Bronze
Superior wear resistance, impact resistance and heavy‑load bearing capacity for critical Cone Crusher spare parts.
✅ OEM‑Standard Precision Machining
Strictly manufactured to OEM specifications with accurate dimensions for direct replacement and seamless assembly of your Symons cone crusher.
✅ Optimized Lubrication Design
Professional oil‑groove structure improves lubrication efficiency and effectively reduces friction loss between mating Symons Cone Crusher spare parts.
✅ Full‑Process Quality Inspection
Each upper step plate passes complete quality testing before delivery to ensure stable operation of your crushing equipment and all matched Cone Crusher spare parts.
We are a professional China manufacturer and supplier of aftermarket Symons Cone Crusher spare parts and general Cone Crusher spare parts. We provide a full range of wear‑resistant components including upper step plate, lower step plate, socket liner, eccentric bushing, inner bushing, outer bushing and other bronze parts. Customized bronze parts are available based on your part numbers or technical drawings.
Whether you need a single upper step plate or a complete set of Symons Cone Crusher spare parts, we can provide OEM‑quality, cost‑effective and fast‑delivery products to support your continuous mining production.