# SPTA BP502-14B2 5-Inch M14 Rotary Backing Plates, 2-Pack

Pack: SPTA BP502-14B2 rotary backing plates are a two-piece set with a 5-inch hook-and-loop face and M14 thread, intended for rotary polishers and compatible grinders. The flexible PU plate is designed to follow curves and contours, while the hook-and-loop face accepts compatible polishing or sanding pads.

- [Original product page](https://best-deals.pro/product/spta-bp502-14b2-5-inch-m14-rotary-backing-plates)
- [View offer](https://best-deals.pro/visit/spta-bp502-14b2-5-inch-m14-rotary-backing-plates)
- Market: US
- Language: en-US
- Currency: USD
- Brand: SPTA
- Model: BP502-14B2
- Price: 22.09 USD
- Previous price: 25.99 USD
- Discount: 15%
- Price checked: 2026-11-14T05:30:34.372Z
- Rating: 4.2 / 5
- Reviews: 9

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Two 5-inch backing plates with M14 threaded mounting.
- Hook-and-loop face is intended to hold compatible polishing and sanding pads.
- Flexible PU plate is designed to follow curved and contoured surfaces.
- Listing describes use for rotary polishing, sanding and buffing.

## Pros

- Two plates in the set provide a spare for ongoing polishing work.
- Flexible backing and a hook-and-loop face support contour work with compatible pads.
- The listing specifies M14 threading and a 5-inch diameter for fit checks.

## Specifications

### Identity
- Brand: SPTA
- Model: BP502-14B2
### Dimensions and installation
- Listed dimensions: 5 x 1 x 0.1 inches
- Thread: M14
- Diameter: 5Inch \(125mm\)
### Materials and compatibility
- Housing material: Polyurethane
- Material type: Plastic & Pu
- Grit material: Nylon
- Grit type: Fine
- Compatible devices: Angle Grinder & Rotary Car Polisher
- Compatible material: Plastic
### Use and operating specification
- Recommended use: Car Polishing
- Maximum rotational speed: 10000 rpm
- Construction type: Super-Abrasive
### Set
- Number of items: 2
- Set name: 2-pack

## Before you buy

- The listing gives a maximum speed of 10000 rpm. Confirm that your polisher, backing plate and selected pad are rated for the operating speed and that the tool has an M14 thread.

## In the box

- 2 × 5-inch M14 rotary flexible backing plates (Included)

## A good fit for

- Car detailers seeking a 5-inch M14 backing plate for rotary polishing.
- Users who want a flexible hook-and-loop base for compatible polishing or sanding pads.
- Buyers needing a two-plate set for a compatible M14 rotary polisher or grinder.

## Less suited to

- Owners of tools that do not use an M14 thread.
- Buyers seeking a complete polishing kit with pads, since the listed contents are backing plates.

## Customer feedback

Aggregate ratings lean positive, with most ratings in the four- or five-star categories, but a one-star share means experiences are not uniformly favorable. The sample is small and provides no stated reasons, so it cannot establish specific strengths or faults. For buyers, confirm the M14 fit and 5-inch size against the tool and pads rather than treating the overall rating as a compatibility guarantee.

## Frequently asked questions

### What thread does this backing plate use?
The listing specifies an M14 thread. Check your tool's spindle thread before ordering.
### What is included?
The manufacturer contents list specifies two 5-inch M14 rotary flexible backing plates. Polishing pads are not listed as included.
### Can it follow curved surfaces?
The listing describes a flexible PU backing plate intended to follow curves and contours. Results depend on the pad, tool and surface.
### What is the stated maximum rotational speed?
The listing states 10000 rpm. Match the operating speed to the ratings and instructions for your tool and attached pad.

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## Add-ons

- [SPTA Wool Polishing Pads, 2Pcs 6 Inch \(150mm\) Wool Cutting Pad, Yellow Wool Buffing and Polishing Pad Set, Wool Buffing Wheel for Medium Cut for 6 Inch Car Polisher Polishing, Buffing and Cutting](https://best-deals.pro/visit/spta-bp502-14b2-5-inch-m14-rotary-backing-plates)

## Images

![SPTA BP502-14B2 5-Inch M14 Rotary Backing Plates, 2-Pack — 1](https://best-deals.pro/i/1-zjdgUOjwcfE-BL_fehkScvIxYmgTCdwIpp31fXEUGMm7WrdjRBcpabKipJV9pmhyXrHQaBtNBnWROlk56B513bAdpEPEIXtXK3Ie71OeXTjcHnEED_.jpg)

![SPTA BP502-14B2 5-Inch M14 Rotary Backing Plates, 2-Pack — 2](https://best-deals.pro/i/L4zfU4VhQHebrQkdo2nBxjvY8gD47Yw2BLS7E3ldNYDo7Vy61hXzWbKwnpR6P-PWiTRLVw3KIK0yINH4bPJQypGuABAAnAeARp2056JY-HLsY7LvQ1pK.jpg)

![SPTA BP502-14B2 5-Inch M14 Rotary Backing Plates, 2-Pack — 3](https://best-deals.pro/i/4HbxI5pTn2YpCKwobIDzw3zsWITIzHrvXUU4jXKNGMg92CEkQCE1UMkrfzlNbdDYxvKc5zFrFvteWe760j9DZp6ajLmHwRZZYWzsK0VBfZrsYjjdNhj9.jpg)

![SPTA BP502-14B2 5-Inch M14 Rotary Backing Plates, 2-Pack — 4](https://best-deals.pro/i/XFJWPChheCxT7ArfCALUM0IM9Xmaz4u_-qSbcBLr3ZXi5VhE5cl5GPssJQ-iVZUTVQk27MbQmlJoLTNnaIPOSTo57d-O7YoPWU3N8k7GoFvrGWjf-roo.jpg)

![SPTA BP502-14B2 5-Inch M14 Rotary Backing Plates, 2-Pack — 5](https://best-deals.pro/i/6QXVor62TOLs0iO6bd77SBLjTKnRI-eHiNOnAuprZ8sdIHz1IpFZSVExA1Avc4E19mISFECI1NrTr3R3vXOCS9acoTGARjgsq9E27o0kU5OhszazTuHu.jpg)

![SPTA BP502-14B2 5-Inch M14 Rotary Backing Plates, 2-Pack — 6](https://best-deals.pro/i/7wa11KQcTYhmeJA6CPvuknjtj3PZ7eva9IIHnqsrPB0SHJ2A8PM5Ujhxs2G5-wjvvWMxiSHCkqiBHveordE57xKcS23hTbvQI8FwTqkO0DPVtG8Le1Q4.jpg)

![SPTA BP502-14B2 5-Inch M14 Rotary Backing Plates, 2-Pack — 7](https://best-deals.pro/i/rQhVvrSrbxpS-XctyJ7qhshpPZtW7uNjimjp3NMtt3CMFKtyDuaW4_dFJWFVlGmAI9ugHSq_u4uShON1wNTPcMdic3I1K9w25LLJldiV2LDBWa2UPsCy.jpg)