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BOSCH CO21 21-Piece Assorted Set with Included Case Cobalt Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Oct 30, 2026 2:06 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.
- ➡️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
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
PRIME PHARMA
🚚 Shipping
Free Shipping
Product Details
✓TOUGH: The Bosch CO21 Drill Bit Set is manufactured from cobalt for drilling in hard and abrasive materials such as stainless, cast iron, and high-density metal. Also useful for general drilling in light-gauge metal, wood, and plastic.
✓ACCURACY: Featuring a no-skate split-point tip for clean, precise holes and accurate starts.
✓RELIABLE: The three-flat shank design promotes better grip and guards against slipping on bits 3/16 in. and larger
✓PERFORMANCE: Designed for very high drilling temperatures for superior performance in stainless steel. Bosch Cobalt Metal Drill Bits are solid, reliable, and provide 4X longer life than standard high-speed drill bits.
✓VERSATILITY: Includes laser-etched marking to provide clearly marked bit diameter. Included bit sizes: 1/16 in., 5/64 in., 3/32 in., 7/64 in., 1/8 in., 9/64 in., 5/32 in.,11/64 in., 3/16 in., 13/64 in., 7/32 in., 15/64 in., 1/4 in., 5/16 in., 3/8 in., 1/2 in.
⚙️ Specifications
Material
Stainless Steel
Cutting Diameter
0.5 inches
Finish Type
Titanium
Shank Type
3-Flat
Cutting Angle String
135 degrees
Brand Name
Bosch
Model
CO21
UPC
000346471540
Set Name
21-Piece Assorted Set
Unit Count
1 Count
Global Trade Identification Number
00000346471540
