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7 Inch Hole Saw with Arbor, 178mm Bi-Metal Hole Cutter
✅ In stock
F
Grade
Analysis Confidence
59%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 20, 2026 5:20 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 listed retail price is trimmed by 10% at checkout.
- 📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
- ➡️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
1.43/20
Deal Strength
13/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
JIECHENG TOOLS
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓7 Inch Hole Saw: Cuts clean 7 inch / 178mm diameter holes with a cutting depth of about 1.24 inch / 32mm. Suitable for large openings in wood boards, plywood, drywall, plastic panels, ceiling speaker cutouts, air ducts, ductwork and cornhole board projects
✓M42 Bi-Metal Design: Made with high-speed steel bi-metal teeth for sharp cutting, good durability and smoother performance. Designed for wood, plywood, drywall, plasterboard, gypsum board, plastic and other soft materials, with reduced binding and cleaner edges when used properly
✓For Wood and Thin Metal: This 7 inch hole cutter can also be used on thin aluminum, thin iron sheet and thin stainless steel sheet about 12mm thick. It is not designed for thick steel plate, thick stainless steel or heavy-duty industrial metal drilling
✓Complete Hole Saw Kit: Includes 1 piece 7 inch bi-metal hole saw, 1 arbor mandrel with pilot drill bit and spring, 1 extra pilot drill bit and 1 wrench. The 3/8 inch hex shank fits common hand drills with 3/8 inch or 1/2 inch drill chucks
✓Important Use Notice: For large hole saws, start drilling at low speed and keep steady pressure. Use with proper cooling or lubrication when cutting thin metal. Always wear safety glasses. Not for marble, granite, ceramic, porcelain tile, quartz, glass, concrete or thick metal materials
✓Versatile Applications: Suitable for ceiling speakers installation, recessed light openings, air duct installations, cornhole board construction, and various woodworking or home improvement projects requiring large diameter holes
⚙️ Specifications
Material
HSS M42-BIMETAL
Brand
JIECHENG
Product Dimensions
7.01"L x 7.01"W
Color
yellow
Number of Teeth
6
Style
7" (178mm)
Item Weight
0.6 kg
UPC
769044855747
Item Thickness
1.24 inches
Manufacturer
JIECHENG
ASIN
B0BLHPR6B7
