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By certification 
The round drill bit is made of high-quality hard alloy, special heat treatment, sharp cutting edge, high hardness, and durable. Curved head design, sharp teeth and small vibration, can be used quickly and smoothly when opening holes. Universal round shank, hand drill, bench drill are all available.
It is suitable for opening holes in various wood, plastic, computer desks, hinges and other materials.
The extended woodworking round drill can be used to perforate wood products, install spherical door tips, drawer tips, plastic products, and plywood, Reduce the difficulty of work.
About the use of round drill bits:
1. When woodworking makes holes, the wood must be fixed and not moved. It must be at a 90-degree right angle to the hole. When positioning the drill hole, clean it up, and then slowly drill the hole. If there is an abnormality or unsatisfactory chip removal during the operation, please stop working, exit the hole opener and clean the blade and inner hole, and then work again.
2. When using the hole opener, please be sure to master it reasonably, choose it, and import it smoothly according to the tachometer to prevent the cutting edge from cracking. If it is used with a high-speed gun drill, the switch should be controlled during operation. To reduce its speed.
3. When drilling holes, please take protective measures to prevent eye damage from flying sawdust.
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