Applicable materials: stainless steel less than 4mm, aluminum alloy, iron, angle iron, cast iron less than 20mm Precautions.
eBay
14-100mm TCT Drill Bit Hard Alloy Hole Saw Stainless Steel Carbon Steel Aluminum metal Carbide Drill Bit Hole Saw
Aliexpress UK
Wide Size Range – 14mm to 210mm – Covers everything from small access holes to large pipework. Variable Tooth Pitch – Faster, smoother cutting with reduced vibration. Drill Sets. Perfect for pipe entries, downlights, cable runs, and more.
eBay
Versery High Quality 12-80mm High Speed Steel Drill Bit Hole Saw Stainless Steel Metal Aluminum Alloy HOT HSS Drill Bits
Aliexpress UK
Material: TCT. The three sides of the shank should be clamped when the hole drill is installed in the drill. After drilling through the workpiece, the drill should be kept rotating to exit the workpiece.
eBay
Hole Saw Set 12-100mm Hard Metal Drill Bits Heavy Duty Hole Opener Hole Cutter For Metal Stainless Steel Iron Wood Plastic Etc.
Aliexpress UK
Check whether the center drill is tightened, turn on the machine and check the concentricity of the hole saw.
eBay
Bi-Metal Wood Hole Saws 16-200mm Drill Bit HSS Steel M42 Hole Saw Wood Cutters Carpentry Tools for Wood Steel Iron
Aliexpress UK
Made of premium M42 high speed steel, sturdy and durable. Material: M42 High Speed Steel. 1 x Hole Saw drill bit. Uses: Opening hole. We do not provide pick up or local collection service so far. Taking the form of a short open cylinder with saw-teeth on the open edge, perfect for installing locks, knobs in doors and cabinets.
eBay
TCT Carbide Hole Saw Kit Carbide Tipped Hole Cutter With Pilot Drill Bit For Metal Stainless Steel Iron Wood Plastic
Aliexpress UK
Lt is easy to cut and the burr is less aftercutting.
eBay
Versery 5PCS HSS Drill Bit Set high speed steel Hole Saw for iron Stainless Steel Metal aluminum alloy 16/18.5/20/25/30mm
Aliexpress UK
T.C.T ALLOY HOLE SAW KIT.
eBay
23mm 24mm 25mm 25.5mm 26mm 27mm High Speed Steel HSS Iron Metal AL Alloy Plastic Stainless Steel Cutter Core Drill Bit Hole Saw
Aliexpress UK
Description: Carbide hole saw cutter is extremely long lifetime, especially designed to cut alloy and stainless steel materials. Quick, precise, smooth cuts into up to 0.5-3mm stainless steel and 5mm thick material like high alloy steel, aluminum, plastic, FRP and PVC. The hole saw has a twist drill bit inside, which is undetachable. Come with a hex wrench, make your job more convenient and easier . Protect carbide teeth from impacting when the pilot drill bit through the cutting material. Suitable to be installed onto hand held drill, table mounted drill, or other drills. Used for 10mm shank professional electric drill provides excellent performance, here is not included. Attention: The hole saw is used on bench drill or drill machine. Hand drill or electric drill is not recommended.
eBay
1pc 16-100mm HSS Steel Drilling Hole Saw Drill Bit Cutter Bi-Metal for Aluminum Iron Stainless Steel DIY Wood Cutter Drill Bits
Aliexpress UK