White Zinc Plated CSK Head Phillips Drive Self Drilling Screw

Short Description:

Self-Drilling-Window-Hardware-Screws-Countersunk-Head

●Material：Carbon C1022 Steel, Case Harden

●Head Type：Countersunk Head

●Thread Type：full thread, partial thread

●Recess：Philips or cross recess

●Surface Finish：Black/grey phosphate, White/yellow zinc plated ,Nickel

●Diameter：6#(3.5mm),7#(3.9mm),8#(4.2mm),10#(4.8mm)

●Point：Sharp

●Standard：Din 7982 C

●Non-standard：OEM is available if you provide drawings or samples.

●Supply capacity：80-100 ton per day

●Packing:Small box, bulk in carton or bags ,polybag or Customer request

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Product Description

CSK Head Self Drilling Screw are high strength and durable fasteners used for sheet metal applications. To provide a perfect assembly, the countersunk variation of the philip screw has to be used in conjunction with a countersunk hole. The usage of these screws requires a pre-drilled hole. The screws themselves are threaded with twisted gradation which makes it easy to install on the pilot hole. This allows the screws to be used in high-precision applications like machine and electrical component assembly. An essential characteristic of these screws is the well-spaced threads and pointed tip, which is called the gimlet point.

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Csk head self-drilling screws from Sinsun Fasteners are highly durable and corrosion resistant, which allows it to be used in extreme temperatures and undersea applications as well. Since these screws are self-drilling, they can be used without drilling the pilot hole. Contrary to conventional methods of manufacturing, these screws are particularly made with two materials, one for the head and shaft, and another for the drilling tip. The tip is made of a harder material to allow precision fastening of metals. The addition of carbon drastically increases the strength of the material while making it extra strong.

It can also be used for lighter applications like securing wood to metal. Since they are slotted, they can be removed using a screwdriver. Due to the excellent proportions with which these screws have been engineered, they often give an aesthetically pleasing look to the finished product or component.

Self drilling countersunk wing tek screws are ideal for fixing timber to steel without the need to pre-drill. These screws have a hardened steel self drilling point (tek point) which cuts through mild steel without the need for pre-drilling (see product attributes for material thickness constraints). The two protruding wings create clearance through the timber and break off during entry into the steel. The aggressive self embedding head means this screw can be quickly applied without the need to pre-drill or countersink, saving loads of time during application.