Concrete Wall Hole Drill Bit Set Electric Hollow Core Drill

In order to help buyers choose more suitable specifications, the concrete hole and the SDS PLUS connecting rod with center bit are sold separately, which is convenient for buyers to match freely.

Concrete Wall Hole Drill Bit Set Electric Hollow Core Drill Bit

SPECIFICATION: Material: 45# steel & YG6 Surface Treatment: Sand Blasting Hole Total Length:73mm Diameter: 30mm-160mm Shank: SDS MAX Shank Length: 160mm-450mm 1. Suitable for percuion drills, electric hammers, etc., used for decoration openings on red brick walls, cement walls, air-conditioning holes, water holes, and smokehine holes. 2. Made of high quality metal material and with carbide tipped. Rounds alloy blade combinations, each blade to bear part of the workload, not prone to ping off the edge 3. High-frequency welding technology, welding openings are very strong, smooth inside and outside welding mouth,precision engage, appearance.

NOTE

All dimension data are measured manually, please allow 1-3mm error

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very important to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.