Changzhou ST.Key Imp & Exp Co., Ltd
| Concentricity | Less than 0.02mm |
| Roller Diameter | 60-1000mm customized |
| Delivery Time | 25-40 days after drawing confirmation |
| Working Width | 200-5000mm customized |
| Surface Hardness | HRC52-58 (HRC62 chrome plated) |
| Pattern Type | Mesh / grain / geometric / logo / custom |
| Manufacturing Standard | ANSI / ASTM / ASME / DIN / GB |
| Packaging Details | Anti-rust wrapped with protective film, reinforced wooden crate export packing |
| Surface Roughness | Ra 0.01 |
| Payment Terms | T/T |
| Supply Ability | 6000 Pieces per Year |
| Machining Method | CNC turning, grinding and engraving |
| Roller Material | Seamless alloy steel / 45# steel pipe |
| Certification | ISO 9001:2015 |
| Place of Origin | CHINA |
| Brand Name | ST KEY |
| Model Number | SER-CN500 |
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Product Specification
| Concentricity | Less than 0.02mm | Roller Diameter | 60-1000mm customized |
| Delivery Time | 25-40 days after drawing confirmation | Working Width | 200-5000mm customized |
| Surface Hardness | HRC52-58 (HRC62 chrome plated) | Pattern Type | Mesh / grain / geometric / logo / custom |
| Manufacturing Standard | ANSI / ASTM / ASME / DIN / GB | Packaging Details | Anti-rust wrapped with protective film, reinforced wooden crate export packing |
| Surface Roughness | Ra 0.01 | Payment Terms | T/T |
| Supply Ability | 6000 Pieces per Year | Machining Method | CNC turning, grinding and engraving |
| Roller Material | Seamless alloy steel / 45# steel pipe | Certification | ISO 9001:2015 |
| Place of Origin | CHINA | Brand Name | ST KEY |
| Model Number | SER-CN500 | ||
| High Light | CNC Machined Alloy Steel Roller ，0.02mm Precision Concentricity ，Custom OEM Embossing Roller | ||
This CNC Machined Seamless Alloy Steel Embossing Roller serves as a versatile building block for embossing, calendering, and texturing machines across multiple industries. It combines precision machining with complete customization of size, pattern, and surface finish.
The roller begins as a seamless alloy steel or 45# steel pipe that is welded to its journals, stress relieved, tempered, and quenched. This process ensures a straight, round, and stable body that maintains true running performance even after months of continuous operation.
CNC turning and grinding establish precise outer diameter, concentricity, and journal geometry, while laser and CNC engraving stations cut the required patterns. These can range from technical meshes for printing to fine grains for leather finishing or decorative motifs for panel products.
With complete digital program control, every roller in repeat orders is identical, and design changes are implemented quickly through engraving file edits rather than tooling rebuilds. Concentricity is maintained below 0.02mm with surface roughness finished to Ra 0.01 on polished faces, ensuring even pressure distribution and consistent pattern depth for improved embossing line yield.
| Parameter | Specification |
|---|---|
| Base Material | Seamless alloy steel or 45# steel pipe |
| Working Width | 200mm - 5000mm customized |
| Roller Diameter | 60mm - 1000mm customized |
| Machining Method | CNC turning, grinding and engraving |
| Pattern Type | Mesh, grain, geometric, logo, custom artwork |
| Surface Hardness | HRC52-58, up to HRC62 chrome plated |
| Surface Roughness | Ra 0.01 on polished faces |
| Concentricity | Less than 0.02mm |
| Dynamic Balancing | Available per operating speed range |
| Manufacturing Standard | ANSI, ASTM, ASME, DIN, GB |
This roller series is widely ordered by machine manufacturers who require reliable roller supply with consistent quality across multiple machine deliveries. Digital pattern and geometry definition enables the same product code to serve both spare part reorders and new machine programs without additional tooling investment.
Engineering support includes pattern development from customer samples, surface finish selection for specific substrates, and shell thickness calculation for required nip pressure. This ensures the roller arrives perfectly matched to machine duty requirements rather than as a generic cylinder.
Every roller receives anti-rust treatment and protective wrapping before packing in reinforced wooden crates with foam supports sized to roller dimensions. Export documentation includes material certificates, heat treatment reports, hardness and roughness measurements, dimensional inspection sheets, and balancing certificates upon request.
The factory operates under ISO 9001 quality management system with complete inspection equipment and lean 5S workshop management, backed by over 25 years of roller engineering experience. We welcome OEM programs, framework supply agreements, and single custom rollers alike.
Submit your drawing, pattern sample, or target specification to receive engineering feedback and a quotation within a short response time.
Company Details
Business Type:
Manufacturer,Exporter
Total Annual:
1,500,000-2,000,000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
The company is one of subsidiary companies for "ST.KEY INTERNATIONAL GROUP S.A". Also the company has three factories in China: embossing roller factory in Changzhou, LED light factory in Kunshan, ceramic sanitaryware factory in Chaozhou. The factory of embossi... The company is one of subsidiary companies for "ST.KEY INTERNATIONAL GROUP S.A". Also the company has three factories in China: embossing roller factory in Changzhou, LED light factory in Kunshan, ceramic sanitaryware factory in Chaozhou. The factory of embossi...
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