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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £3.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
Rated at a maximum load of 203.0 kg with a controlled deflection of just 10.00 mm, this 40 x 40 mm Female Flat Buffer (M8, 70 Shore A) is built for applications where firm resistance and minimal movement under load are the priority. The 70 Shore A hardness places it at the firm end of the flat buffer range, making it the appropriate choice where heavier static or dynamic loads must be positively restrained rather than freely absorbed. Constructed using rubber-to-metal bonded technology, the buffer combines a steel insert with a vulcanised rubber body to deliver consistent performance under sustained compressive and shear loading. Its female M8 threaded insert allows straightforward, tool-friendly installation directly onto a mating fastener, with no requirement for additional hardware. The firm durometer resists creep under prolonged load, maintaining its dimensional integrity and keeping mounted machinery or panels securely positioned over time. At 70 Shore A, this buffer is particularly well suited to construction equipment, commercial vehicles, and industrial machinery where components are subject to shock and impact rather than fine vibration isolation. It functions effectively as a bump stop against secondary moving objects, as a restraint element holding sub-frames or access panels against unwanted displacement, and as a direct-contact elastic element in applications across the power generation, agricultural, and off-highway sectors. Custom specifications including oil-resistant and high-temperature rubbers, as well as stainless steel metalwork, are available on request.
About PartsForMachines:PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Hardness (Shore A) | 70 |
|---|---|
| Body diameter D (mm) | 40 |
| Overall height H (mm) | 40 |
| Fixing thread / bolt size d | M8 |
| Max load (kg) | 203 |
| Deflection (mm) | 10 |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: £3.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||
|---|---|---|---|---|---|
| PRODUCT NUMBER | 5050MFB25-60 | 4025MFB23-60 | 4025MFB25-60 | 3012MFB20-70 | 4040MFB23-70 |
| Type | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer |
| Length | 25mm | 12mm | 40mm | ||
| Height | 50mm | 25mm | |||
| Size | 50x50mm | 40x25mm | 30x12mm | 40x40mm | |
| Deflection | 12.5 | 6.3 | 6.3 | 3.25 | 10 |
| Diameter | 40mm | 30mm | 40mm | ||
| Diameter Range | 26-50mm | 26-50mm | 26-50mm | ||
| Length Range | 11-25mm | 11-25mm | 26-50mm | ||
| Shore Hardness | 60 | 70 | 70 | ||
| Thread | M10 | M8 | M10 | M8 | M8 |
| Show More | |||||
A. This buffer is rated to a maximum load of 203.0 kg with a deflection of 10.00 mm, making it the firmest option in the 40 x 40 mm M8 flat buffer range.
A. 70 Shore A is a firm rubber grade. It carries higher loads with less movement compared with softer grades, making it appropriate where components must be firmly restrained rather than isolated from fine vibration.
A. It is suited to construction equipment, commercial vehicles, industrial machinery, agricultural equipment, and power generation applications where components are subject to shock, impact, or sustained compressive loading.
A. The buffer works by absorbing and dissipating energy through its vulcanised rubber body. It may be loaded in compression, shear, or a combination, and can act as a bump stop or as a direct-contact elastic restraint element.
A. The buffer has an M8 female threaded insert and measures 40 mm in diameter by 40 mm in height (D x H: 40 x 40 mm).
A. Yes — oil-resistant rubbers, high-temperature rubbers, stainless steel metalwork, and additional or custom sizes are all available on request.
A. The same geometry is available in 45 Shore A (SKU: 4040FFB08-45) for greater deflection and softer isolation, and 60 Shore A (SKU: 4040FFB08-60) for a mid-range balance of load capacity and movement.
A. WhatsApp us on 07754 288583 with photos of the item and packaging, and we will resolve the issue in line with our returns policy.
A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.
A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.
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