+ Submit your article here

What is a Countersink?

12/9/2013 2:54:24 PM | by Anonymous


Countersink is a conical hole that cuts into a manufactured object or cutter can be used to cut a hole. The most common use is to allow the head of a countersunk screw or bolt when placing it in the hole in order to sit and flush with the surface of the surrounding material. The comparison of a counter bore makes a flat bottomed hole that might be used with a hex headed cap screw.


A countersink can also be used to remove the burr left from tapping or drilling operation thereby improving the finish of the product as well as removing hazardous sharp edges.


The basic geometry of a countersink cutter can be applied to the plunging applications described above axial feed only and to other milling applications such as sideways traversal therefore the countersinks can overlap in function, form and sometimes name with chamfering end mills with angled tips. Furthermore, the cutter of the surface can be generated by the plunging applications or a beveled corner of the intersection of two planes.


There are many tools that are needed when working with wood. The system is to measure the wood will be needed for most projects and use a regular tape to measure. Once measured, use a chalk or pencil to mark the wood for cutting. After marking and measuring it, cut the wood with an electric saw. Some rough edges might need to be sanded down by using sandpaper. Sandpaper can be found and bought cheap at any stores that sell home improvement items. However, there are electric sanders and are very efficient but they are also more expensive.


Once everything is placed together, this is where screws and nails will come in and this will make the difference between a usable piece and starting over again. Using the countersink drill bit can help the piece to look better and make the surface smoother. However, when driving screws into hardwood it is advisable to drill pilot holes into the boards before driving the screw. There is another step that should take not before driving the screw is the woodworking tip, learn all about a countersink is and when should be use.


Countersink can be used in many tools which include drill presses, drills, lathes and milling machines. The cross-hole countersink is a cone shaped tool with the cutting edge that can provide a hold to go through the side of cone.


The only intersection of the hole and cone can form the cutting edge on a tool. Cone is not symmetrical as it is essential for the cone to retreat from the cutting edge when the tool rotates. However, if this does not occur the cutting edge can lack of clearance and rub as well as bite into the material. Clearance is referred to cutting relief.


Some tools are best for using as deburring tool where the burr of a previous machine operation needs to be removed from the safety and cosmetic reasons but some may be used in softer materials such as plastic or wood to create a countersunk hole for the screw.


Form countersinking is also another type of countersink which is known as dimpling. It is formed into a sheet metal to increase the strength of the structure with the multiple pieces of countersinks nest together. The two processes for producing countersinks are formed into modified radius and coin dimpling.


These dimples are thick sheet and can be tapped to yield a threaded hard point on the sheet without having any expense to weld a nut to a sheet. This is often seen in the modern household appliance design as it can allow the product to lower the price as well as the quality will be still as good as the sheet is think enough.

Are you sourcing for a product or service?

Do you need a quotation?