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BOSCH CO2138B 11/64 in. x 3-1/4 in. Cobalt M42 Drill Bit (Pack of 2)

✅ In stock
D
Grade
😐 Weak Deal
36.98/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$5.98
Listed $8.78
Save $2.80 32% OFF
Analysis Confidence 88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 25, 2026 5:21 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

😐 Weak Deal
  • 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
  • 💰The current price is 25% below what this product typically costs — a notable saving over its usual going rate.
  • 🏷️A 32% cut from the official retail price adds further appeal.
  • 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 16.98/20
Deal Strength 16/20
Momentum 4/10

📝 Product Overview

🏪 Sold by Amazon.com
🚚 Shipping Free Shipping

Product Details

✓The information below is per-pack only
✓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

⚙️ Specifications

Cutting Diameter
4.36 millimeters
Finish Type
Titanium
Shank Type
Straight
Cutting Angle String
118 degrees
Brand
Bosch
Tool Flute Type
Spiral
Point Style
Taper Point
Surface Recommendation
Aluminum, Metal(partial), Stainless Steel(partial)
Number of Flutes
2
Set Name
2
Unit Count
2 Count

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