When you're choosing tooling cutters abrasives for CNC work, the decision between two 5-packs of solid carbide end mills usually comes down to what you're cutting and how much material you need to remove. Both packs contain five cutters, so the price per end mill is part of the comparison. On one side is a 3/8" stub-length tool; on the other, a smaller 1/8" tool. Both are ONLINECARBIDE, made in the USA, with four flutes, so the real choice is about diameter, length, and price.
Quick verdict
Both 5-packs are ONLINECARBIDE solid carbide end mills made in the United States, with four flutes. The 3/8" stub set is the larger-diameter option; the 1/8" set is the compact option. If you need a 3/8" end mill for material removal, the stub pack is the one. If you need a smaller cutter for detail work, the 1/8" pack is the practical choice.
At a glance
| 3/8" Stub 5-Pack | 1/8" 5-Pack | |
|---|---|---|
| Price | USD 147.95 | USD 36.65 |
| Relative price | ||
| Cutting diameter | 3/8" | 1/8" |
| Length of cut | 5/8" | 1/2" |
| Overall length | 2" | 1-1/2" |
| Coating | AlTiN/TiAlN | None |
| Flutes | 4 | 4 |
| Made in USA | Yes | Yes |
Where each wins
3/8" Stub 5-Pack: This is the pack to turn to when you want a larger cutting edge and a stub-length tool. It's the bigger footprint of the two.
1/8" 5-Pack: This is the pack for smaller slots and detail cuts. Its compact build keeps the tool easy to place in tighter work, and a bright finish keeps the cutting edge simple.
Product notes
3/8" Stub 5-Pack

This 5-pack is the higher-priced option at USD 147.95, and it's the one with the AlTiN/TiAlN coating. The 3/8" cutting diameter, 5/8" length of cut, and 2" overall length are the dimensions that stand out. If you're cutting with a 3/8" tool and want the coating that this set provides, this is the pack to choose. The main limitation is the higher price compared to the 1/8" set; you're paying USD 111.30 more for the larger coated end mills. This set makes sense when the diameter and coating match your work.
1/8" 5-Pack

This 5-pack is the lower-priced option at USD 36.65, giving you a 1/8" cutting diameter, a 1/2" length of cut, and a 1-1/2" overall length. It's also a center-cutting end mill with a bright finish. If you need a small, uncoated carbide end mill for finer work, this is a direct match at a noticeably lower price than the 3/8" set. The limitation here is the lack of a TiAlN coating, so if you need that coating, this isn't the pack to choose.
Final choice by use case
Choose the larger stub-length 5-pack when your job calls for a bigger cutting edge and the stub-length geometry. Choose the smaller 5-pack when you need a compact cutter for detail work.