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4 1/2" Hole Saw Drill Bit for Metal, Cast Iron, Aluminum, Galvanized Steel
✅ In stock
F
Grade
Analysis Confidence
90%
Price verified Nov 13, 2026 1:11 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 sits right around what this item typically fetches.
- 📉Pricing has not dipped this low in roughly six months, placing this offer among the better deals in that window.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0.28/28
Recent Value
0/22
Market Standing
4.78/20
Deal Strength
10/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
ITOOLFIRM INC
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Heavy-duty M42 HSS bi-metal teeth with black finish, 1.5 inch cutting depth, 7/16" hex shank, fits standard 1/2" 3-jaw chuck drills.
✓Versatile cutting for galvanized pipe, cast iron pipe, aluminum, steel sheet, PVC and wood.
✓Chip removal holes for fast chip ejection, reduce binding and overheating during cutting.
✓Optimized tooth design delivers smooth, clean holes for plumbing and HVAC installations.
✓Use rotary mode only, not for impact drivers. Lubrication recommended for stainless steel and cast iron cutting.
⚙️ Specifications
Material
M42 Bi-Metal
Brand
ITOOLFIRM
Color
Frosted Black
Number of Teeth
44
Style
Industrial
Item Thickness
0.2 inches
Compatible Devices
Bench Drill Press, Corded /Cordless Drill, Hammer Drill (rotary only), Hand Drill Press
Package Dimensions
6.06 x 6.02 x 2.05 inches
Item Weight
1.7 pounds
Manufacturer
ITOOLFIRM
ASIN
B0C62K419L
