1 / 6SHARPRO 3-Piece Compression CNC Router Bit Set, 1/4-Inch Shank
Piece: SHARPRO compression CNC router bits combine an up-and-down cutting profile with a 1/4-inch shank and 1/4-inch cutting diameter. The listing describes them for wood, plastics and some metals, but the exact set quantity and cut geometry should be confirmed because its kit and specification details do not fully align.
At a glance
- The title presents a compression, up-and-down cut profile for CNC wood cutting, slots and mortises.
- The listing gives a 1/4-inch cutting diameter, 1-inch cutting length and 2-1/2-inch overall length in its size description.
- The manufacturer describes use with hardwood, softwood, plastic, PVC, acrylic, aluminium and copper alloys.
Often bought together
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Pros and cons
Pros
- The listed 1/4-inch shank and cutting diameter are a specific fit to consider for compatible CNC setups.
- A compression profile is intended to combine up-cut and down-cut action, and the listing names slotting and mortising among its uses.
Technical specifications
9 specifications| Brand | SHARPRO |
|---|---|
| Quantity listed | 3 |
| Size listing | （3PCS）1/4"DIA - 1/4"SHK - 1'' CL - 2-1/2'' OVL |
| Cutting length | 1 inches |
|---|---|
| Cutting diameter | 0.25 inches |
| Cut type | Up-Cut |
| Number of flutes | 2 |
| Material listed | Tungsten Carbide |
|---|---|
| Weight listed | 10 g |
What to know before buying
Listing details to confirm
The listing is inconsistent about set quantity and geometry: the title and size description say three compression bits with a 1/4-inch shank and 2-1/2-inch overall length, while the explicit contents list says one end mill and the details describe an Up-Cut bit. Confirm the selected listing's quantity, compression profile, shank and overall length before ordering. The material-use and coating performance statements are manufacturer claims, not verified test results.
What’s in the box
Included- 1 end mill
Who is it for?
A good fit for
- CNC users seeking a 1/4-inch-diameter bit for wood slotting, mortising or plunge work, provided the listed compression profile and dimensions are confirmed.
- Buyers considering one bit for wood and the listed plastics or non-ferrous metals who can verify suitability for their material and machining setup.
Less suited to
- Anyone who needs an unambiguous three-piece kit or confirmed compression geometry without checking the listing details.
Customer reviews on Amazon
- 5 stars
72% 72% - 4 stars
25% 25% - 3 stars
3% 3% - 2 stars
0% 0% - 1 star
0% 0%
Customer feedback describes clean cutting and sharpness positively, and some buyers consider the bit a good purchase for its price. Durability opinions are mixed. For users choosing a bit for repeated CNC work, that durability uncertainty matters alongside the listing's unresolved kit quantity and cutting-profile details.
Positive themes
- Customers describe the cuts as clean and the bit as sharp.
- Some customers consider it a good purchase for the price.
Mixed feedback
- Customer opinions on durability are mixed.
Frequently asked questions
How many bits are included?
The title and size description indicate three pieces, but the explicit contents list names one end mill. Confirm the package quantity on the selected listing before buying.
Is this definitely a compression bit?
The title describes compression up-and-down bits, while the product details list the cut type as Up-Cut. Verify the cutting profile before purchase.
What dimensions does the listing specify?
The size description states a 1/4-inch diameter, 1/4-inch shank, 1-inch cutting length and 2-1/2-inch overall length. Confirm these dimensions for the selected item.
What materials does the manufacturer list?
The manufacturer names hardwood, softwood, plastic, PVC, acrylic, aluminium and copper alloys. These are claims in the listing, not independent confirmation of suitability for a particular setup.
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