End Mill vs V Bit for Acrylic: Which One Should You Buy?
Two CNC router bits for acrylic compared: a single-flute O flute end mill and a 60 degree V bit, by shank, cutting size and stated materials.
On this page
Top picks at a glance
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- 1
SPEED TIGER ISE Carbide End Mill 1/8”9.8/10View on Amazon - 2
30 Degree Router Bit for CNC9.7/10View on Amazon - 3
EANOSIC Solid Carbide Single Flute End Mill 1/4” Shank9.7/10View on Amazon - 4
EANOSIC 5PCS Solid Carbide Single Flute End Mill 1/4” ShankView on Amazon - 5
V Groove Router BitView on Amazon - 6
SpeTool 5PCS Carbide Singe Flute End Mill SetView on Amazon - 7
HQMaster CNC Router Bits 1/8 Router Bit Straight Router Bit 1View on Amazon - 8
1/8 Downcut Router Bit 1/8 ShankView on Amazon - 9
1/8 Downcut Router Bit 1/4 ShankView on Amazon
A sign blank on the bench, a design waiting for clean letters, and a sheet of acrylic ready to become a finished part: the bit in the router decides how that job turns out. The end mill vs v bit for acrylic choice comes down to shape, since one bit cuts slots and parts and the other carves a V groove for lettering. This comparison puts the SpeTool O flute end mill against the FoxAlien V bit, using only what each listing states.
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Verdict: pick the SpeTool end mill for cutting, slotting and hollow cutting in acrylic, and pick the FoxAlien V bit for lettering and fine engraving in acrylic. The end mill clears chips with a single O flute, while the V bit cuts a V groove with a 0.1 mm tip.
SpeTool 5PCS O Flute (Single Flute)
A 5-piece set of single-flute O flute carbide end mills with a 1/4 inch shank for CNC routing.
Pros
- Single-flute O flute design for efficient chip removal
- 1/4 inch cutting diameter with 1 inch cutting length for cutting, slotting and hollow cutting
- Carbide build in a 5-piece set
- Carves and cuts acrylic, plastic, aluminum, copper and wood
Cons
- No warranty term is stated
- 1/4 inch shank only, for routers with a 1/4 inch collet
- No fine engraving tip size is stated
- Single flute only, with no 2-flute option in this set
FoxAlien 1/8" Shank 60° V-Groove CNC Router Bits
A 10-piece set of 2-flute V-groove bits with a 1/8 inch shank, a 60 degree tip at 0.1 mm and a nano blue coating.
Pros
- 60 degree V-groove tip at 0.1 mm for fine lettering
- 2-flute V-groove design for chip removal with tip strength
- Nano blue coating for longer service life and wear resistance
- Cuts and engraves acrylic, hardwood, plywood, resin, PCB and aluminum
Cons
- No warranty term is stated
- Spec table lists Material Type as Metal, against the ultrafine carbide wording in the bullets
- No cutting length is stated
- Tip size is fixed at 0.1 mm, with no wider tip option in this set
Other machines to compare
EANOSIC 5PCS Solid Carbide Single Flute End Mill 1/4” ShankCheck price on Amazon
V Groove Router BitCheck price on Amazon
SpeTool 5PCS Carbide Singe Flute End Mill SetCheck price on Amazon
HQMaster CNC Router Bits 1/8 Router Bit Straight Router Bit 1Check price on Amazon
1/8 Downcut Router Bit 1/8 ShankCheck price on Amazon
1/8 Downcut Router Bit 1/4 ShankCheck price on Amazon
Side by side
| Bit | HQ Score | Shank | Cutting Size | Pack |
|---|---|---|---|---|
| SpeTool O Flute Mill | 9.5/10 | 1/4 inch | 1/4 inch diameter, 1 inch length | 5 |
| FoxAlien 60 V Bit | 9.5/10 | 1/8 inch | 0.1 mm tip | 10 |
Specifications are manufacturer rated, as published on each listing and collected 24 October 2026.
Cutting shape and what each bit does
The SpeTool listing describes a single-flute O flute end mill with an upcut spiral, made for carving, cutting, slotting, milling and hollow cutting. The FoxAlien listing describes a 2-flute V-groove bit, made to engrave, drill, mill, cut and carve, with lettering and sign making named as uses. That shape difference is the core of the comparison: an end mill removes material across a slot, while a V-shaped tip traces lines that widen as the bit goes deeper. Neither listing states a cutting depth, so depth is Not stated for both bits here, and no side wins on depth from these listings.
Shank, size and fit
The SpeTool bit has a 1/4 inch shank, a 1/4 inch cutting diameter, a 1 inch cutting length and a 2-1/2 inch overall length, and the listing states it can be used on routers with a 1/4 inch collet. The FoxAlien bit has a 1/8 inch shank, a 60 degree V tip at 0.1 mm, and no cutting length or overall length stated in the listing. Weights are listed in different units, at 4.96 ounces in the SpeTool listing and 0.01 kg in the FoxAlien listing, so this article states each weight as listed and does not convert one to the other. Match the shank to the collet on the router before ordering, since the two bits do not share a shank size.
Materials
Both listings name acrylic. The SpeTool listing also names plastic, aluminum, copper and wood, and describes use for CNC routing, hobbyist projects and sign making with plastic and non-ferrous materials. The FoxAlien listing also names hardwood, plywood, plastic fiber, resin, PCB and aluminum. For plastic work beyond acrylic, see end mill for plastic. Where a listing does not name a material, this article treats that material as Not stated for that bit rather than guessing from the other bit.
Chip removal and finish
The SpeTool listing states that the O flute design ensures efficient chip removal, reducing clogging and providing smooth cutting performance. The FoxAlien listing states that the V-groove design maximizes tip strength by removing the minimum amount of material from the end, and that chips are easy to remove. The FoxAlien listing also states a sharp cutting edge with no glitches on the surface, and a nano blue coating that strengthens hardness so service life is extended. The SpeTool listing states high-quality construction for durability and precision, with consistent and accurate cuts as the maker describes them.
The picks: end mill vs v bit for acrylic
Choose the end mill if
- You want to cut parts, slots and hollow shapes in acrylic.
- Your router has a 1/4 inch collet and you want a 1 inch cutting length.
- You want a carbide single-flute bit in a 5-piece set.
Choose the v bit if
- You want lettering and fine engraving in acrylic.
- You want a 60 degree V tip at 0.1 mm.
- You want a 10-piece set with a nano blue coating.
Cutting acrylic makes chips and dust. Collect dust at the source, ventilate the workspace, and keep the cutting area clear while the router runs. Never use a bit with a damaged edge.
Project Match
- Acrylic signs with lettering: FoxAlien V bit, with a 60 degree tip at 0.1 mm and lettering named in the listing.
- Acrylic cut parts, slots and hollow cuts: SpeTool end mill, with cutting, slotting and hollow cutting named in the listing.
- Wood and plywood carving: both listings name wood; the SpeTool listing names wood, and the FoxAlien listing names hardwood and plywood.
- PCB and resin detail: FoxAlien V bit, which names PCB and resin; for the SpeTool listing, PCB and resin are Not stated.
FAQ: lasers and CNC
Can an end mill cut acrylic?
Yes, where the listing states it: the SpeTool listing names acrylic among its materials, with an O flute design for chip removal and use for cutting, slotting and milling.
What is a V bit used for on acrylic?
The FoxAlien listing names engraving, carving and cutting on acrylic, with lettering and sign making as uses for its 60 degree V bit at 0.1 mm.
Which shank size do I need?
The SpeTool bit has a 1/4 inch shank for routers with a 1/4 inch collet, and the FoxAlien bit has a 1/8 inch shank. Match the shank to the collet on the router, since the two bits do not share a shank size.
Can one bit handle wood and acrylic?
Both listings name acrylic and wood-type materials, so material alone does not settle the choice. Pick by shape instead: the end mill for slots and cut parts, and the V bit for lettering and fine engraving.
Related: cnc tooling, v bit for acrylic.
