Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit
Price as of 2026-06-18. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$4–$10← You are here
- Mid-range:$10–$26
- Premium:$26+
Is This Right For You?
- •Budget-conscious shoppers — priced below 99% of power tool parts and accessories
- •Risk-averse buyers — 7,074+ reviews give a highly reliable picture
- •Bosch loyalists — the brand spans 115 products in our database
- •WD-40 Specialist Silicone Lubricant — higher rated at 4.8/5 ($8)
📊 Based on data analysis of 154 products in this category.
Mubboo Score: A+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other power tool parts and accessories
Computed from live Amazon rating, review count, and price across 154 power tool parts and accessories available to US consumers · last refreshed 2026-06-18.
How It Compares
This Product Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit | Most Popular Holikme Dryer Vent Cleaner Kit Vacuum Hose Attachment Brush | Best Rated WD-40 Specialist Silicone Lubricant | Best Value 3-IN-ONE Multi-Purpose Oil | |
|---|---|---|---|---|
| Price | $4.99 | $8.99 | $7.98 | $5.79 |
| Rating | 4.6/5 | 4.3/5 | 4.8/5 | 4.7/5 |
| Reviews | 7,074 | 23,816 | 20,365 | 14,856 |
| Mubboo Score | A+ | A | A+ | A+ |
What People 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.
- Durable and sturdy construction
- Excellent case design and organization
- Great value for the price
- Reliable and effective performance
- Bits may strip easily without proper pressure
- Charger can overheat batteries and have fragile connections
- Difficulty removing bits from tight-fitting cases
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About Bosch
- 115 products in our database
- Average rating: 4.6/5 across all products
- Price range: $4.99 – $2139
- Categories: Angle Grinders, brake-fluids, Brooms, Cordless Drills, filters-automotive, Food Processors
If not the CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit, consider these
Bottom Line
Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit earns Mubboo Score A+. Priced at $5 — a budget-friendly option, below the category average of $28. Rated 4.6/5 from 7,074+ reviews. Strong buy if: budget-conscious shoppers, risk-averse buyers.
Frequently Asked Questions
Is the Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit worth buying in 2026?
It earns a Mubboo Score of A+, 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 CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit cost?
It is currently $4.99 — budget-tier pricing for power tool parts and accessories.
How does the CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit compare to other power tool parts and accessories?
The category's most-reviewed alternative is the Holikme Dryer Vent Cleaner Kit Vacuum Hose Attachment Brush (4.3/5, 23,816 reviews, $8.99). The CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit carries a Mubboo Score of A+ vs A.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-18) and may change.