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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 to a maximum load of 167.0 kg with a controlled deflection of just 4.25 mm, this 30 x 17 mm Male Flat Buffer (SKU 3017MFB20-70) is the firm-grade choice within the range for applications demanding positive restraint and minimal give under load. At 70 Shore A, the rubber compound carries the highest load capacity of the three Shore grades available in this geometry, making it suited to conditions where a secondary object must be firmly held in check rather than allowed to travel freely. Constructed using rubber-to-metal bonding, the buffer absorbs and dissipates impact energy efficiently. The flat-face male configuration allows straightforward installation and direct contact with a mating surface, keeping assembly time low. The M8 x 20 mm threaded stud provides a secure fixing point, and the 30 mm diameter face distributes load evenly across the contact area. Custom options, including stainless steel metalwork and oil-resistant or high-temperature rubber compounds. Are available on request for demanding service environments. At 70 Shore A, this buffer is appropriate where heavier shock loads, strong impacts, or the need to restrain equipment movement are the primary concerns. Typical application areas include construction and off-highway equipment, agricultural machinery, commercial vehicles, power generation sets, and marine installations, wherever a firm, high-load mounting point is required and deflection must be kept to a minimum. The rubber-to-metal bonded design contributes to improved machinery lifespan and protects surrounding structures from transmitted shock.
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) | 30 |
| Overall height H (mm) | 17 |
| Stud thread d | M8 |
| Stud length L (mm) | 20 |
| Max load (kg) | 167 |
| Deflection (mm) | 4.25 |
| 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 | 4030MFB23-60 | 5040MFB25-45 | 3017FFB08-70 | 4030MFB25-60 | 5040FFB10-45 |
| Type | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer |
| Length | 30mm | 40mm | 17mm | 40mm | |
| Height | 30mm | ||||
| Size | 40x30mm | 50x40mm | 30x17mm | 40x30mm | 50x40mm |
| Deflection | 7.5 | 10 | 4.25 | 7.5 | 10 |
| Diameter | 40mm | 50mm | 30mm | 50mm | |
| Diameter Range | 26-50mm | 26-50mm | 26-50mm | 26-50mm | |
| Length Range | 26-50mm | 26-50mm | 11-25mm | 26-50mm | |
| Shore Hardness | 60 | 45 | 70 | 45 | |
| Thread | M8 | M10 | M8 | M10 | M10 |
| Show More | |||||
A. This buffer is rated to a maximum load of 167.0 kg with a corresponding deflection of 4.25 mm, reflecting the firm characteristics of the 70 Shore A rubber grade.
A. The 30 x 17 mm denotes the overall diameter (D) and height (H) of the rubber body. M8 x 20 refers to the threaded stud diameter and usable length, which provides the fixing point for installation.
A. At 70 Shore A, this is the firmest grade available in the 30 x 17 mm Male Flat Buffer geometry. Harder grades carry higher loads with less movement, making this grade appropriate for heavier loads, shock and impact absorption, and applications where the component must be firmly restrained with minimal deflection.
A. Male Flat Buffers in this range are used across construction and off-highway equipment, agricultural machinery, industrial plant, commercial vehicles, power generation, marine, and railway and mass transit applications — wherever shock and vibration energy must be absorbed and dissipated.
A. The 30 x 17 mm geometry is available in three Shore grades. The 45 Shore A grade (SKU 3017MFB20-45) provides greater deflection and better isolation at lower loads. The 60 Shore A grade (SKU 3017MFB20-60) offers a general-purpose intermediate performance. This 70 Shore A grade carries the highest load capacity with the least movement, suited to firm restraint and heavy-duty duty cycles.
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.
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. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.
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