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Male Flat Buffer 30x30mm M8 45 Shore - 3030MFB20-45
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Technical Specification
PRODUCT NUMBER 2020MFB18-703030FFB08-452020FFB06-702015MFB18-603030MFB20-70
Type Flat BufferFlat BufferFlat BufferFlat BufferFlat Buffer
Length 20mm30mm20mm30mm
Height 15mm
Size 20x20mm30x30mm20x20mm20x15mm30x30mm
Deflection 57.553.757.5
Diameter 20mm30mm20mm30mm
Diameter Range 11-25mm26-50mm11-25mm26-50mm
Length Range 11-25mm26-50mm11-25mm26-50mm
Shore Hardness 70457070
Thread M6M8M6M6M8
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Q 1. What are the load and deflection ratings for the 3030MFB20-45?

A. This 30 x 30 mm Male Flat Buffer has a maximum load rating of 52.5 kg and a deflection of 7.50 mm at that load.

Q 2. Why choose the 45 Shore A grade rather than a harder option?

A. Softer rubber grades deliver greater deflection and better vibration isolation efficiency at lower loads. The 45 Shore A grade is the right choice when maximum energy absorption and movement under load are more important than high load capacity or restraint — for example, on lighter machinery, agricultural equipment, or elevator installations.

Q 3. What thread and stud dimensions does this buffer use?

A. The stud is M8 with a length of 20 mm, suiting standard M8 tapped housings or clearance holes with a nut.

Q 4. In which industries and applications is this buffer used?

A. Male Flat Buffers of this type are used across construction equipment, industrial machinery, agricultural equipment, elevators, commercial vehicles, marine, power generation, and railway and mass transit applications — wherever light-duty shock absorption or low-frequency vibration isolation is required.

Q 5. How does the 3030MFB20-45 function as a vibration isolator?

A. The rubber-to-metal bonded element works by absorbing and dissipating energy. The flat face can act as a direct elastic element in contact with a surface or as a secondary buffer cushioning machinery against impact shocks from external moving components.

Q 6. Are other Shore hardness grades available in this 30 x 30 mm M8 size?

A. Yes — this buffer is also available in 60 Shore A (3030MFB20-60) for medium-duty general-purpose use and 70 Shore A (3030MFB20-70) for higher-load or greater-restraint applications.

Q 7. Can custom rubber compounds or stainless steel metalwork be ordered?

A. Yes — stainless steel metal components and oil-resistant or high-temperature rubber compounds, as well as additional and custom sizes, are available on request.

Q 8. What is your returns policy?

A. We accept returns within 30 days of purchase for items that are unused, undamaged, and in their original packaging. Returns are available only for UK-delivered orders and must include proof of purchase. Before returning an item, please contact us at [email protected] to obtain a Return Merchandise Number (RMN).

Q 9. When will my order be dispatched?

A. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.

Q 10. When will my order be dispatched?

A. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.

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