Threaded Triangle Tungsten Steel Wall Brick Concrete Drill Bit Hohold Marble

Threaded Triangle Tungsten Steel Wall Brick Concrete Drill Bit Hohold Marble Overlord Drill Hand Electric Drill

Brand: OUDISI Item No.: Overlord Diamond Feature: 1. High hardne overlord drill bit, widely d in steel/iron/copper/stainle steel/aluminum/wood/plastic etc. 2. Suitable for hand drills/chargeable drills/bench drills 3. The following materials need to be added with water to cool down, and the materials with higher hardne need to be added with water while drilling 4. Made of high-quality alloy head electron beam welding, non-slip triangular handle

Note: 1. drills below 21V are not recommended for , as the power is insufficient. 2. When drilling holes in the wall, you need to change the position when encountering concrete stones or steel bars, otherwise it is easy to ca edge ping. 3 It can be d for stainle steel, iron plate, ceramic tile, marble, etc. All the drill bits have better effect with water! Longer life. Reasons and methods of breaking the drill Reason for breaking: 1. Work with a blunt drill 2. Too much feed 3. Drill cuttings block the sal groove of the drill bit 4. When the drill bit has just drilled through, the feed resistance decreases rapidly or the feed amount suddenly increases 5. The workpiece is loose 6. Shrinkage holes encountered when drilling castings Solution: 1. Sharpen the drill bit before 2. Reduce the amount of feed, reasonably increase the cutting speed 3. When drilling deep holes, the s should be removed frequently to allow the s to be discharged 4. When the hole is about to penete, reduce the amount of feed 5. Fasten the workpiece 6. Reduce the cutting speed and choose the sharpening angle of the drill according to the hardne of the workpiece

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About shipping
Shipping and Pack All it will be double checked and well packed before sending.It will 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, aess 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 Neul Feedback, we will do our best to help you resoe 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 or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant 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 nsaction.