HSS Countersink
Your Professional HSS Countersink Supplier
Zhejiang Xinxing Tools Co., Ltd., is a high performance CNC tool manufacturer combined with R & D, production and sales. Our products include: Annular cutter, rail cutter, hole saw, spade drill, step drill, countersink, magnetic drill machine, solid carbide cutter, taps, B T A deep hole drill, etc.
Advanced Equipment
Xinxing's R&D center is equipped with world-class measurement and testing instruments and trial production equipment, Combined with CAD,CAE,PFQ,PLM technology, build advanced tool R&D platform.
Professional Team
Xinxing's R&D team is composed of professional engineers in the fields of materials, tool design, heat treatment, cutting application technology, manufacturing processes, and other fields. lt is a highly experienced and creative technology research and development team.
Professional Certification
The company has 100 patents approximately, leading the industry standards drafting of 《ANNULAR CUTTER》, 《Internal cooling replaceable inserts spade drill》, Won the "national manufacturing industry individual champion demonstration enterprise" and other honors.
Automated Production
Workshops have modern production lines, equipped with CNC precision automatic lathe, vertical machining center, robots and other international advanced production equipment, to achieve fully automatic assembly line production, to ensure stable and superior quality.
Specification
|
Brand |
CHTOOLS |
|
Applicable material |
Various steel material, steel plate, stainless steel, aluminum, brass, cast iron, etc. |
|
L1 |
100-190mm |
Advantages of HSS Countersink
A finished, professional look
Using a countersink to create a conical hole for a countersunk screw or bolt allows the user to fit a screw flush to the surface.
Ease of use
Countersinks are typically easy to use, and they can save time and effort when compared to other methods of creating a countersunk hole.
Improved holding power
A countersunk hole allows the head of the screw or bolt to sit properly and securely in the material, which can help to prevent the screw or bolt from becoming loose over time.
Increased durability
Using a countersink can help to prevent the head of a screw or bolt from being damaged or stripped when it is tightened, which can increase its overall durability as well as the finish quality.
Counterbore machining in metalworking: Machining counterbores on metal parts (e.g., steel plates, aluminum) so that the screws or bolt heads can be flush with the surface and avoid protrusions affecting the assembly or appearance.
Hidden screws in the woodworking industry: In high-end furniture, wooden structures, countersunk drill bits are used to pre-machine tapered holes so that the wood screws are fully embedded, improving aesthetics and preventing scratches.
Aerospace composite material drilling: Composites such as carbon fiber, glass fiber, etc., require precise counterbore during assembly to avoid delamination or cracking, and countersink bits provide smooth tapered holes.
Precision assembly of plastic parts: Counterbore is machined on injection molded or 3D printed parts to prevent material cracking when the screws are tightened, while ensuring that fasteners are flat and embedded.
Fastener installation in automobile manufacturing
Automotive sheet metal and engine components often require counterbore holes to install bolts or rivets to reduce the impact of bulges on aerodynamics or safety.
Electronic equipment shell processing
Machined counterbores on aluminum alloy or plastic chassis so that the screw heads are flush with the housing to avoid scratching other components or affecting heat dissipation.
Ejector hole processing in mold manufacturing
The counterbore of the thimble is processed on the injection mold to ensure that the thimble will not protrude the surface of the mold when it is returned, and to ensure the quality of product demoulding.
Usage Steps of HSS Countersinks
Wear appropriate safety equipment, such as goggles and gloves
Wearing safety glasses or goggles can protect your eyes from flying chips, debris, and other eye-threatening hazards. Gloves prevent your hands from being cut by sharp components, chips, or sharp edges that are produced during the drilling process
Make sure you have the right countersink angle
To ensure the screw can be secured correctly, you need to make sure that you have the right countersink angle. For example, a 90-degree countersink is used with metric screws, while an 82-degree countersink is used with standard screws.
Choose the right-sized countersink drill bit
The diameter of your drill bit is critical because it will determine how well the screw will fit into the hole when you are finished drilling it. Make sure that the diameter of the drill bit is approximately the same size as the head of the screw or bolt you intend to use.
Insert the countersink bit into the drill press' chuck and tighten firmly.
When a drill bit is spinning, it is held in place by a drill chuck. It has a three-way vice and a tightening collar. Drill chucks can be tightened by hand or with a chuck key or chuck wrench, depending on their design.
Set The Drill To the Correct Depth
You want to make sure the screwhead is flush with the metal. Make that the depth stop adjuster is set to at least 4 mm or more, depending on the size of the screw or bolt head. This will allow you to precisely drill your hole.
Secure the Metal Your Drilling
To avoid any movement during drilling, make sure the metal is completely secured. Keep the metal sheet in place during drilling by putting clamps on its sides. Movements can cause the hole to become out of alignment, which will degrade its quality.
Use Appropriate Drill Speed
Start drilling with moderate speed and pressure. This will keep your drill bit cool and avoid premature dulling. Apply lubricants once in a while. It is recommended to apply drilling lubricants on a regular basis. Turn off your drill as soon as you've achieved the desired depth.
Inspect Your Countersink Hole
Remove the drill bit and check if the countersunk screw or bolt is flush with the countersink hole. The head should fit snugly on the hole and it should then be placed slightly below the surface of the metal.
Ordering Process
Firstly, let us know your requirements or application.
Secondly, we quote according to your requirements or our suggestions.
Thirdly, customer confirms the samples and places deposit for formal order.
Lastly, we arrange for production and delivery.
Packaging and Shipping
|
Packaging |
Nylon bag + Plastic box + Carton |
|
Shipping |
Express delivery, air shipping, sea shipping are available for your request. |
Our Factory
Zhejiang Xinxing Tools Co., Ltd., was founded in 1994, is a high-tech enterprise focusing on hole processing technology which located near the beautiful Nanbei Lake.
Our Certificates
FAQ