TMWEFUSC 3Pcs Hole Saw Set HSS Drill Bit 20 25 35mm Hex Shank M42 Bi Metal Hole Cutter Set for Drilling Thin Stainless Steel Aluminum Wood Plastic Sheet Metal

Parts List:<br>1 x 20mm Hole Saw<br>1 x 25mm Hole Saw<br>1 x 35mm Hole Saw<br><br>Highlight description:<br>【Hole Saw Set】This set includes 20mm , 25mm , and 35mm (25/32", 1" and 1-3/8") bi metal hole saws<br><br>【Premium M42 Bi Metal】The hole saws are made of professional grade M42 bi metal alloy with hardness HRC 67–70 , offering longer service life than standard models . Suitable for cutting various materials: thin stainless steel , aluminum , wood , plastic , PVC , and sheet metal . Not recommended for thick , dense hardwood , reinforced concrete , or hard stone<br><br>【Spring Loaded Pilot Drill】Hole saws provide precise , deviation free positioning and feature bi metal teeth for smooth , burr free cutting . The spring on the drill automatically ejects the cutting disc after drilling stops<br><br>【Progressive Variable Pitch】Delivers faster , smoother cutting and higher efficiency compared to traditional fixed pitch designs . The variable pitch distributes cutting force to individual teeth , preventing overload and breakage , and improves durability by 1–2 times<br><br>【Universal Hex Shank】Compatible with cordless drills , bench drills , and other mainstream power tools , providing a secure , non slip grip . For precision drilling , a bench drill is recommended to ensure verticality<br><br>Detailed description:<br>Description:<br>This M42 bi metal hole saw set includes 20/25/35mm (25/32", 1" and 1-3/8") sizes , with precise pilot drill , variable pitch and universal hex shank , suitable for cutting metal , wood , plastic and PVC<br><br>Key Features:<br>【Versatile Application】Designed for home DIY , electrical wiring and plumbing installations , balancing cutting efficiency and precision . An essential tool for professionals and DIY enthusiasts .<br><br>Specification:<br>Material:<br>Drill Bit: High Speed Steel<br>Hole Saw: M42 Bi Metal<br>Size:<br>Hole Saw Diameter: 20mm/0.79", 25mm/0.98", 35mm/1.38"<br>Shank Diameter: 1/4"/6.35mm<br><br>Note:<br>1. Not recommended for thick, dense hardwood, reinforced concrete, or hard stone<br>2. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color<br>3. Please allow slight dimension differences due to manual measurement

• 🔍 【Hole Saw Set】This set includes 20mm , 25mm , and 35mm (25/32", 1" and 1-3/8") bi metal hole saws
• 🔍 【Premium M42 Bi Metal】The hole saws are made of professional grade M42 bi metal alloy with hardness HRC 67–70 , offering longer service life than standard models . Suitable for cutting various materials: thin stainless steel , aluminum , wood , plastic , PVC , and sheet metal . Not recommended for thick , dense hardwood , reinforced concrete , or hard stone
• 🔍 【Spring Loaded Pilot Drill】Hole saws provide precise , deviation free positioning and feature bi metal teeth for smooth , burr free cutting . The spring on the drill automatically ejects the cutting disc after drilling stops
• 🔍 【Progressive Variable Pitch】Delivers faster , smoother cutting and higher efficiency compared to traditional fixed pitch designs . The variable pitch distributes cutting force to individual teeth , preventing overload and breakage , and improves durability by 1–2 times
• 🔍 【Universal Hex Shank】Compatible with cordless drills , bench drills , and other mainstream power tools , providing a secure , non slip grip . For precision drilling , a bench drill is recommended to ensure verticality