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3 1/8 inch Hole Saw Drill Bit for Metal and Wood, M42 Bi-Metal Hole Cutter with 1.5” Cutting Depth for Plywood, Fiberglass, Acrylic, Drywall and Sheet Steel
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 8, 2026 10:34 AM · 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.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️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
5.25/20
Deal Strength
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
ITOOLFIRM INC
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓⚙️【Solid and Sturdy】 The black hole saws are much solider and sturdier than the red one, they are premium hole cutters for installing recessed lights into ceiling, for punching a big hole at wall to fit a vent pipe or an extract fan, also for cable installation and soft metal cutting.
✓⚙️【Sharp and Durable】 The cutting teeth is double layered with high speed steel, obviously thicker and heavier than the red hole saw. Strong and solid body, sharp and durable teeth, easy to punch a clean hole.
✓⚙️【Accurate Cutting】 The increased hardness(70-80HRC) of the M42 bi-Metal and the optimized tooth geometry allow our hole saws to provide faster and more accurate cutting diameter than standard hole saws, the errors of the cut size are less than one millimeter.
✓⚙️【Chips Remove】 The embed slug holes around the saw body are designed for removing the wood and metal chips while cutting. They are also good for reducing friction heat and improve the efficiency, due to the fact that less of total amount of material is actually cut.
✓⚙️【60 Days Refundable】If you had any problem with the paket you have received, for example, miss parts, or just not satisfied with our products, please contact us via e-mail, all our products are refundable for 60 days.
⚙️ Specifications
Material
High Speed Steel
Brand
ITOOLFIRM
Color
Frosted Black
Number of Teeth
31
Style
Industrial
Item Thickness
5 millimeters
Item Weight
0.52 kg
Compatible Devices
Bench Drill Press, Cordless Drill, Hand Drill Press, Impact Driver
Package Dimensions
5.12 x 5.04 x 2.13 inches
Manufacturer
ITOOLFIRM
ASIN
B0C62L2X3K
