Freud 04-100 1/8-Inch Double Flute vs Freud 91-102 6-Piece Straight Bit
Both made our Best Straight Router Bits 2026 shortlist, at #1 and #2. Here's how they differ and who each one suits.
- BuyOnceRight Research Desk
- Updated
- 4 min read
Quick verdict
Choose the Freud 04-100 1/8-Inch Double Flute Straight Bit if you want tiCo carbide is harder and stays sharper longer than standard carbide in straight bit service. Choose the Freud 91-102 6-Piece Straight Bit Set if you'd rather have set covers the most common straight bit diameters (1/4, 3/8, 1/2, 3/4, 1-inch) in one purchase. Overall we rank the Freud 04-100 1/8-Inch Double Flute Straight Bit higher: #1 versus #2 in our Best Straight Router Bits 2026 list.
Winner overall: Freud 04-100 1/8-Inch Double Flute Straight Bit
Freud 04-100 1/8-Inch Double Flute Straight Bit vs Freud 91-102 6-Piece Straight Bit Set compared
Every difference that matters, in one table.
| Attribute | ||
|---|---|---|
| Our ranking | #1 of 8 in Best Straight Router Bits 2026 | #2 of 8 in Best Straight Router Bits 2026 |
| Pick label | Best Overall | Best Set |
| Brand | Freud | Freud |
| Key features | 1/4-inch cutting diameter; TiCo carbide; Two-flute design | Multiple diameters; TiCo carbide throughout; 1/4 and 1/2-inch shanks |
| Biggest strength | TiCo carbide is harder and stays sharper longer than standard carbide in straight bit service | Set covers the most common straight bit diameters (1/4, 3/8, 1/2, 3/4, 1-inch) in one purchase |
| Main trade-off | 1/4-inch diameter only -- one size | Higher price than individual bits |
| Best for | buyers who want the best overall package | Most buyers |
Which should you buy?

#1 pick · Best Overall
Choose the Freud 04-100 1/8-Inch Double Flute Straight Bit if…
- TiCo carbide is harder and stays sharper longer than standard carbide in straight bit service
- 1/4-inch diameter is the most commonly needed groove width for shelf pins, small dadoes, and slots
- Two-flute design provides clean cut walls and good chip clearance
Best for: buyers who want the best overall package
Prefer the alternative? See the Freud 91-102 6-Piece Straight Bit Set section.

#2 pick · Best Set
Choose the Freud 91-102 6-Piece Straight Bit Set if…
- Set covers the most common straight bit diameters (1/4, 3/8, 1/2, 3/4, 1-inch) in one purchase
- TiCo carbide on every bit in the set -- no quality downgrade in the smaller sizes
- Mix of 1/4 and 1/2-inch shanks matched to the bit size for appropriate stability
Prefer the alternative? See the Freud 04-100 1/8-Inch Double Flute Straight Bit section.
Pros and cons of each
Freud 04-100 1/8-Inch Double Flute Straight Bit
Pros
- TiCo carbide is harder and stays sharper longer than standard carbide in straight bit service
- 1/4-inch diameter is the most commonly needed groove width for shelf pins, small dadoes, and slots
- Two-flute design provides clean cut walls and good chip clearance
- Freud 04-100 is the reference recommendation for general straight bit purchases
Cons
- 1/4-inch diameter only -- one size
- Need to buy multiple bits or a set to cover different groove widths
Freud 91-102 6-Piece Straight Bit Set
Pros
- Set covers the most common straight bit diameters (1/4, 3/8, 1/2, 3/4, 1-inch) in one purchase
- TiCo carbide on every bit in the set -- no quality downgrade in the smaller sizes
- Mix of 1/4 and 1/2-inch shanks matched to the bit size for appropriate stability
- The most practical first straight bit purchase for a new woodworker
Cons
- Higher price than individual bits
- Some sizes in the set may see infrequent use
Freud 04-100 1/8-Inch Double Flute Straight Bit vs Freud 91-102 6-Piece Straight Bit Set: common questions
Which is better, the Freud 04-100 1/8-Inch Double Flute Straight Bit or the Freud 91-102 6-Piece Straight Bit Set?
Choose the Freud 04-100 1/8-Inch Double Flute Straight Bit if you want tiCo carbide is harder and stays sharper longer than standard carbide in straight bit service. Choose the Freud 91-102 6-Piece Straight Bit Set if you'd rather have set covers the most common straight bit diameters (1/4, 3/8, 1/2, 3/4, 1-inch) in one purchase. Overall we rank the Freud 04-100 1/8-Inch Double Flute Straight Bit higher: #1 versus #2 in our Best Straight Router Bits 2026 list.
What is the difference between the Freud 04-100 1/8-Inch Double Flute Straight Bit and the Freud 91-102 6-Piece Straight Bit Set?
The Freud 04-100 1/8-Inch Double Flute Straight Bit stands out because tiCo carbide is harder and stays sharper longer than standard carbide in straight bit service, while the Freud 91-102 6-Piece Straight Bit Set stands out because set covers the most common straight bit diameters (1/4, 3/8, 1/2, 3/4, 1-inch) in one purchase. The trade-offs differ too: the Freud 04-100 1/8-Inch Double Flute Straight Bit's main caveat is that 1/4-inch diameter only -- one size, and the Freud 91-102 6-Piece Straight Bit Set's is that higher price than individual bits.
Is the Freud 04-100 1/8-Inch Double Flute Straight Bit worth it over the Freud 91-102 6-Piece Straight Bit Set?
For most buyers, yes: it's our #1 pick. Consider the Freud 91-102 6-Piece Straight Bit Set instead if 1/4-inch diameter only -- one size is a deal-breaker for you.
Who should buy the Freud 91-102 6-Piece Straight Bit Set instead of the Freud 04-100 1/8-Inch Double Flute Straight Bit?
The Freud 91-102 6-Piece Straight Bit Set suits buyers whose priorities match its strengths, while the Freud 04-100 1/8-Inch Double Flute Straight Bit is best for buyers who want the best overall package.