
Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit
Mubboo Value Score: 6.9/10
How it stacks up
Rated 4.6/5 — better than 64% of 154 power tool parts and accessories we track. Budget-tier pricing at $4.99.
Head-to-Head vs Category Leader
| Bosch | BOSHCRAFT (Leader) | |
|---|---|---|
| Price | $4.99 | $8.99 |
| Rating | 4.6/5 | 5.0/5 |
| Reviews | 7,074 | 10 |
| Mubboo Score | 6.9/10 | 6.1/10 |
The Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 D is 44% cheaper but rated lower (4.6 vs 5).
What reviewers say
Synthesized from 40 reviews · 100% verified purchases.
Apply firm pressure when driving screws to prevent bit stripping, and use the correct charging adapter to avoid battery overheating. Check that cases allow easy bit removal.
Rating reliability
About Bosch
- 101 products in our database
- Average rating: 4.6/5 across all products
- Price range: $4.99 – $2139
- Categories: Angle Grinders, Brooms, Cordless Drills, Food Processors, Impact Drivers, isolation-transformers
Other power tool parts and accessories




Frequently Asked Questions
Is the Bosch Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit worth buying in 2026?
It earns a Mubboo Score of 6.9/10, with a 4.6/5 rating from 7,074 reviews — better than 64% of power tool parts and accessories we track.
How much does the Bosch Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt cost?
It is currently $4.99 — budget-tier pricing for power tool parts and accessories.
How does it compare to the top-rated power tool parts and accessories?
The Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 D is 44% cheaper but rated lower (4.6 vs 5).
Sources & References
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