HYDDNice Carbide Steel Wall Hole Saw Shank Hole Saw Cutter Concrete Wall Drill Bit with Wrench - 200mm Connecting Rod,30mm 40mm 50mm
- The 30mm 40mm 50mm dia wall drill bit is made of high quality chrome vanadium steel,durable and fast perforated in a long life..
- High frequency welding technology,welding openings is very strong with smooth welding mouth inside and outside.Please pay attention to coolant when operating..
- Suitable for wall and brick structure to opening hole operation,like red brick and cement..
- Widely used for installing the air conditioner, oil fume exhauster and sewer pipeline hole open ect..
- Customer satisfaction is the most important, if you're not satisfied with the product,please contact us by email on Amazon of "Ask a question" button,we'll solve it for you..