

Internal Retaining Rings
- Model Number: A87
- Standard: DIN
- Pack of 25
Flash Sale end in:
240 in stock (can be backordered)
Delivery & Return Rules
Same-Day Delivery for ISB/RWP
Policy: Orders placed before 3:00 PM for delivery within Islamabad/Rawalpindi will be delivered the same day. Orders placed after this time will be delivered the next business day.
Quick Returns
Explanation: We aim for a smooth return experience.
Policy: Returned items will be processed within 3–5 business days of receiving the item, and you will be notified once the return is approved.
Exchange for Misquoted Items
Explanation: We take full responsibility for product listing accuracy.
Policy: If the item you received is significantly different from its description or image, you can request an exchange.
Wrong or Damaged Products
Explanation: We ensure product quality and accurate shipping.
Policy: If you receive an incorrect product or one that is damaged during shipment, you are eligible for a free exchange.
Complete Package Assurance
Explanation: Your order should arrive complete and in perfect form.
Policy: If any accessory, component, or part is missing from the package, we will ship the missing parts after confirmation.
Video Proof of the Items
Explanation: Helps verify the condition of the product upon delivery.
Policy: An unboxing video is mandatory at the time of opening the package. The video must clearly show the sealed package being opened, the product, and all included components. This is required for any claims related to:
- Missing items
- Damaged products
- Wrong deliveries
Without this video proof, we will not be able to process returns or exchanges.
No Warranty for Electronic Products
Explanation: Most electronic items are sold as-is and cannot be returned once used.
Policy: Electronic products are not covered under warranty. We recommend testing the item as soon as you receive it. Exchanges are only allowed if the product is damaged on arrival or incorrectly delivered.
Return Request Timing
Explanation: We operate within a strict return window.
Policy: All return/exchange requests must be submitted within 10 days (local orders) and 20 days (bulk orders) from the invoice date.
Online Return Requests Only
Explanation: Streamlined and trackable process.
Policy: All return and exchange requests must be raised through our official website.
Proof of Purchase Required
Explanation: Ensures authenticity of your claim.
Policy: A copy of your invoice or order confirmation is required for any return, exchange, or or claim.
Order Cancellation Policy
Policy: Only those orders that are still in processing or have not yet been shipped are eligible for cancellation.
Explanation: Once an order has been shipped, it cannot be canceled under any circumstances. If your order is still in the processing stage or has not yet been dispatched, you may request a cancellation.

TECHNICAL DOCUMENTATION FILES
Internal Retaining Ring
Internal Retaining Ring is essential fastening components used to hold parts in place within cylindrical bores or housings. Available at Burk.pk, these rings provide a reliable, compact, and cost-effective way to prevent axial movement of internal components in mechanical assemblies.
Unlike external rings that sit on shafts, internal retaining ring fits into machined grooves inside a bore. Once installed, they exert outward tension to hold components like bearings, washers, or seals firmly in place. This makes them perfect for use in gearboxes, electric motors, pumps, and other enclosed mechanisms.
Made from durable materials like carbon spring steel or stainless steel, internal retaining rings offer excellent strength and corrosion resistance. They can withstand significant internal pressure and vibration without loosening or failing, making them highly dependable for industrial and automotive applications.
Installation is simple using internal circlip pliers, and they can be removed easily during maintenance without damaging surrounding components. These rings are ideal for assemblies that require frequent servicing or adjustments.
One major advantage of internal retaining ring is its space-saving design. They eliminate the need for bulky fasteners or adhesive bonds, allowing engineers to create more compact and efficient designs.
Moreover, In high-speed or high-load environments, these rings play a critical role in maintaining component alignment and operational safety. Whether you’re designing a pump, assembling a robotic system, or repairing mechanical equipment; they internal retaining rings offer an efficient and reusable solution for internal retention.
In summary, Internal Retaining Ring from Burk.pk deliver secure, durable, and space-efficient retention for a wide range of industrial and mechanical applications. Add them to your project for enhanced reliability, long-term performance, vibration resistance, and overall mechanical integrity in high-stress or precision environments.
Specifications
- Model Number: A87
- Standard: DIN
- Size: Custom Size
- Color: Silver
- Shape: Round Shape
- Grade: 4.8/6.8/8.8/10.9/12.9
Package Includes
- 25 x Internal Retaining Rings
Weight | N/A |
---|---|
Model | A87 |
Standard | DIN |
Size | M8, M9, M10, M11, M12, M13, M14, M15, M16, M17, M18, M19, M20 |
Shape | Round Shape |
Color | Silver |
Grade | 4.8/6.8/8.8/10.9/12.9 |
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$1.00 – $3.00Product categories
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- Boards & Modules 27
- Discrete Electronic Components 60
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- ICs 18
- Linear Voltage Regulators 21
- Mosfets 13
- Push Buttons 3
- Fasteners 10
- Hardware 2
- Internal Retaining Ring 1
- Linear Actuators 2
- Measuring Instruments 4
- Microcontrollers 10
- Motors 18
- Dc motors 2
- Servo Motors 3
- Stepper Motors 13
- Raspberry Pi 8
- Sensors 21
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