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Bosch CO2151B 3/8 in. X 5 in. Cobalt M42 Drill Bit
✅ In stock
F
Grade
Analysis Confidence
88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 22, 2026 3:22 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 🏷️The retail sticker price has been slashed by 48% — a steep markdown from the official listing.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓Cobalt M42 drill bit provides upgraded M42 cobalt jobber-length bits designed for durability, high heat resistance and hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
✓Enhanced M42 alloy material contains 8% cobalt alloy that delivers 10X life vs. standard bits
✓High-heat resistant bits withstand high-temperature applications for extended periods of time
✓Thick web-helix design provides additional stability in tough applications
✓Surface-hardened tip penetrates tough abrasive materials
✓Split points on bits 1/8 In. and larger allow for easy starts with no skating, eliminating the need for a center punch
✓Three-flat shank on bits 3/16 In. and larger deliver better bit grip
⚙️ Specifications
Material
Cobalt
Cutting Diameter
0.38 inches
Finish Type
Titanium
Shank Type
3-Flat
Cutting Angle String
135 degrees
Brand
Bosch
Tool Flute Type
Spiral
Point Style
Split Point
Surface Recommendation
Metal
Number of Flutes
1
UPC
000346594560
