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..
KUKUVI Wall Mounted Doorway Pull Up Bar, Multifunctional Heavy Duty Chin Up Over Door Frame Fitness Bar, Upper Body Workout Home Iron Gym System, Trainer Indoor, Training Exercise Max Loading 450lbs
...nce installed and enable it to carry larger weight. And the bar is equipped with higher quality stainless steel screws to ensure that the screws will not loosen or fall off during use, ensuring that you can use them safely..
❤️Installation Notes: concrete brick / solid cement wall / solid red brick wall / solid tile wall / solid wood thick than 2.36 inch are a great surface for mounting this pull up bar. DON'T install on hollow brick wall / honeycomb brick wall / drywall / sandwich panel. Drill with 10 mm (2/5 Inch) bit for concrete or brick walls..