53-100mm Hole Saw Tungsten Carbide Drill Bits Cobalt Cutter Stainless Steel Plate Iron Metal Drilling Cutting,53mm

DIY Supplies:MetalworkingType:Core Drill BitUse:Metal DrillingMaterial:Tungsten Carbide1. It is made of bimetal, which improves the durability and antirust ability.2. The design improves the durability and excellent cutting performance.3. It has higher hardness, higher toughness, higher cutting strength and stronger wear resistance.4. It is made of heat-treated carbon steel alloy, which is durable and reusable.5. The spring on the drill will automatically push the disc out of the saw immediately after the hole is completed.

• 1. It is made of bimetal, which improves the durability and antirust ability.
• 2. The design improves the durability and excellent cutting performance.
• 3. It has higher hardness, higher toughness, higher cutting strength and stronger wear resistance.
• 4. It is made of heat-treated carbon steel alloy, which is durable and reusable.
• 5. The spring on the drill will automatically push the disc out of the saw immediately after the hole is completed.