Alpha Flange 20mm/8 M14 Thread
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Description
Description
Alpha® 20mm Flange Adapter — M14-2 Thread (FAH-M14)
The Alpha® 20mm Flange Adapter (FAH-M14) lets you mount large flush-cutting blades — eight inches or larger with eight mounting holes — onto a grinder or polisher with an M14-2 spindle. Engineered for contractors, stone fabricators and monumentalists who need a secure, repeatable mount for flush cuts, it is machined from durable, high-quality steel and ships ready to use with all the parts required to install. A 5/8"-11 thread version (FAH-5/8) is available as a separate listing.
Features
- Designed for flush-cutting blades 8" or larger with 8 mounting holes
- M14-2 thread — fits any grinder/polisher with the matching M14 spindle
- 20mm bore for standard large flush-cut blade arbors
- Machined from durable, high-quality steel for long service life
- Easily mounts to any 8-hole large flush-cutting blade
- Ships with all parts needed for installation — no separate hardware
- Engineered for contractors, stone fabricators and monumentalists
| Part No. | Type | Thread | Bore | Hole Pattern | UPC |
|---|---|---|---|---|---|
| FAH-5/8 | Flange Adapter | 5/8"-11 | 20mm | 8-hole | 749173470318 |
| FAH-M14 † | Flange Adapter | M14-2 | 20mm | 8-hole | TBD |
- Confirm your grinder/polisher spindle is M14-2 (this flange will not fit 5/8"-11 spindles — use the FAH-5/8 part for those).
- Remove any existing flange or guard hardware from the spindle.
- Thread the FAH-M14 body onto the M14-2 spindle and seat fully.
- Place the 8"+ flush-cutting blade onto the 20mm flange boss, aligning the eight mounting holes.
- Install the supplied bolts through all eight blade holes and tighten in a cross pattern to seat the blade flat.
- Verify the blade runs true with no wobble before powering up.
20mm — Flange Adapter — FAH-M14
| Part No. | FAH-M14 |
| UPC | Not published by vendor |
| Size | 20mm |
| Type | Flange Adapter |
| Thread | M14-2 |
| Max RPM | — |
| Recommended For | 8"+ flush-cutting blades with 8 mounting holes |
| Packaged Weight | 0.90 lbs |
| Package Dimensions | 7" x 7" x 1.25" |
| Commodity Code | 8466.91.0000 |
| Country of Origin | China |
| Property | Detail |
|---|---|
| Application | Mounting large 8"+ flush-cutting blades onto grinders/polishers |
| Bore | 20mm |
| Hole Pattern | 8 mounting holes |
| Thread (this listing) | M14-2 |
| Material | High-quality steel |
| Compatible Blades | Any 8" or larger flush-cutting blade with 8 mounting holes |
| Other Thread Sizes | 5/8"-11 (FAH-5/8) sold as a separate item |
| Country of Origin | China |
What blades does the FAH-M14 fit?
Any flush-cutting blade that is 8" or larger and has 8 mounting holes around a 20mm bore.
My grinder has a 5/8"-11 spindle — can I still use this?
No. The FAH-M14 has M14-2 internal threads. For 5/8"-11 spindles, use the FAH-5/8 part number instead.
What does “20mm” refer to?
The 20mm dimension is the bore (center hole) of the flange where the blade seats — it is the standard center bore for large 8-hole flush-cutting blades.
Does the FAH-M14 come with mounting bolts?
Yes. It ships with all the parts required to install the blade to the flange.
Are other thread sizes available?
Alpha offers 5/8"-11 (FAH-5/8) and M14-2 (FAH-M14) as catalog parts. Other spindle/thread combinations may be available by special order — contact Alpha or your dealer.
No product-specific videos are currently available from the manufacturer or DST.
No data sheets currently published by the manufacturer for this product.
⚠ WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov. Always wear appropriate PPE.
