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Male Flat Buffer 40x35mm M8 70 Shore - 4035MFB23-70
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Technical Specification
PRODUCT NUMBER 2510MFB20-704035FFB08-704025FFB08-605050FFB10-604025MFB23-60
Type Flat BufferFlat BufferFlat BufferFlat BufferFlat Buffer
Length 10mm35mm25mm50mm
Height 25mm
Size 25x10mm40x35mm40x25mm50x50mm
Deflection 2.58.756.2512.56.3
Diameter 25mm40mm40mm50mm
Diameter Range 11-25mm26-50mm26-50mm26-50mm
Length Range Up to 10mm26-50mm11-25mm26-50mm
Shore Hardness 70706060
Thread M8M8M8M10M8
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Q 1. What is the maximum load capacity of the 4035MFB23-70 Male Flat Buffer?

A. The 4035MFB23-70 has a maximum load capacity of 213.5 kg, with a deflection of 8.8 mm at that load. Its 70 Shore A hardness gives it the highest load-carrying capability in the 40x35mm flat buffer range, with minimal movement under load.

Q 2. What does the 70 Shore A hardness grade mean for this buffer's performance?

A. Shore A hardness indicates the rubber's resistance to deformation. At 70 Shore A, this is the firmest grade available in the 40x35mm Male Flat Buffer range. It carries higher loads with less deflection compared to softer grades, making it suited to applications where the mounted component must be held firmly rather than allowed significant movement.

Q 3. What are the key dimensions and thread specification of this buffer?

A. The body measures 40 mm diameter by 35 mm height (D x H). The threaded stud is M8 with a 23 mm stud length (d x L). Maximum load is 213.5 kg and deflection is 8.8 mm.

Q 4. What types of machinery and industries is this buffer designed for?

A. Male Flat Buffers in this hardness grade are suited to construction equipment, agricultural plant, commercial vehicles, industrial machinery, and applications in the marine, power generation, and railway sectors — particularly where the buffer must withstand repeated shock inputs or carry sustained loads with minimal yield.

Q 5. How does this buffer work and how is it installed?

A. The rubber-to-metal bonded buffer absorbs and dissipates impact energy, either cushioning a secondary moving component or acting as a direct-contact elastic element against a surface. It is loaded in compression, shear, or a combination. The M8 threaded stud allows straightforward mechanical installation without specialist tooling.

Q 6. Are softer Shore grades available in the same 40x35mm size, and when would I choose them?

A. Yes — the same geometry is available in 45 Shore A (SKU: 4035MFB23-45) and 60 Shore A (SKU: 4035MFB23-60). Softer grades provide greater deflection and better vibration isolation at lower loads; the 70 Shore A grade is the correct choice when load capacity and positional firmness are the primary requirements.

Q 7. Are custom materials or sizes available for this buffer?

A. Yes. Stainless steel metalwork and oil-resistant or high-temperature rubber compounds are available on request, as are additional and custom sizes beyond the standard range.

Q 8. 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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