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self drilling screws

Self Drilling Screw gathers drilling, tapping and tightening at the same time. Self drilling screw’s case hardness and core hardness is higher than the self tapping screw. The reason is self drilling screw has an extra function–drilling. In addition, self drilling screw needs to do the drilling test to make sure that the screw could drill the hole with the thread within the limitation time. Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing.

roofing screw

Roofing screw is suitable for the roof construction. If the roof’s materials are iron sheet or wood, roof screw could drill and tighten immediately. However, if the iron sheet’s thickness is within 1mm, we could use the self tapping screw. If it is over 1mm, we could use the self drilling screw.
Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing.

window screw manufacturers

Nowadays, every country’s windows are made by aluminum, iron or stainless steel. If we want to combine these materials, we could use self drilling screws or self tapping screws. However, if we want to use the self tapping screws, the thickness of the iron sheet supposes not over 1mm.
Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing.

self tapping screw

Self Tapping Screw is a kind of fastener that could cut or drill inner thread inside a pre-drill non-awl hole. Basically it is made by limits materials. If possible, it would make the case hardness or it also could be covered or plated by many materials. Self Tapping Screws could be made of different head types or drive. It could be machine thread or wide thread. Most of the self tapping screws have the awl point. This kind of point could cut or drill the thread easily to form the inner thread in the pre-drill hole. Self tapping screw’s point could be the fastener that designed to flat'cut a line and / or self tapping.
Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing.

drywall Screws

Drywall screw is a kind of combination using for construction industry. It is a kind of high-low tapping screw. The double thread design - high thread (the thread diameter is larger) has much more flat and sharp thread angle. The angle of the high thread is 30 degree. Low thread (the thread diameter is smaller) has the 60 degree angle and the height of the thread only half of the high thread. The designed of the high-low screw is to decrease the torque, improve the pulling strength and lower the breaking risks. Another kind of twin lead self drilling point tapping screws could be easily to drill into the drywall and its bugle head has adopted the indented pressure without breaking the wallpaper or Gypsum surface.
Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing.

tek screws

Tek screws also means Self Drilling Screws.Self Drilling Screw gathers drilling, tapping and tightening at the same time. Self drilling screw’s case hardness and core hardness is higher than the self tapping screw. The reason is self drilling screw has an extra function–drilling. In addition, self drilling screw needs to do the drilling test to make sure that the screw could drill the hole with the thread within the limitation time.
Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing.

chipboard Screws

High-Low Tapping Screws also called Chipboard Screws. It is used for plastic or low density material. The designed of the high-low screw is to decrease the torque, improve the pulling strength and lower the breaking risks.
Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing.

wing tek

The Wing Tek is the Self Drilling Screw with the wings. The Wing Tek gathers drilling, tapping and tightening at the same time. The wing tek’s case hardness and core hardness is higher than the self tapping screw. The reason is wing tek has an extra function–drilling. In addition, wing tek needs to do the drilling test to make sure that the screw could drill the hole with the thread within the limitation time.
Specifications: ANSI, IFI, DIN, ISO, BS, JIS, According to customer’s drawing.

鑽尾螺絲

鑽尾螺絲是集鑽、攻、旋緊於一次作業之螺絲。鑽尾螺絲的表面硬度及心部硬度比一般自攻螺絲高一點。這是因為鑽尾螺絲多了一個鑽孔之功能，另外鑽尾螺絲尚需作貫穿試驗，用以測試螺絲可以在規定時間內鑽孔並攻出螺紋。
規格: DIN、IFI、日規、客制。

屋頂螺絲

屋頂螺絲是適用於建造屋頂時，若屋頂的材質屬鐵皮或木頭時均能做立即之貫穿並鎖緊。若是鐵皮厚為1mm以內便可使用尖尾螺絲，若是超過1mm則可使用鑽尾螺絲。
規格:DIN、IFI、日規、客制。

窗戶螺絲

窗戶螺絲目前各國的窗戶皆使用鋁製、鐵製或塑鋼製，若使這些材料僅固結合在一起，可使用鑽尾螺絲或是尖尾螺絲，使用尖尾螺絲時鐵板厚度不宜超過1mm。
規格:DIN、IFI、日規、客制。

尖尾螺絲

尖尾螺絲是一種在預鑽好的非錐型孔中切出或擠出內螺紋的緊固件。尖尾螺絲一般由有限的幾種材料製成。可能時一般都會表面淬硬，尖尾螺絲也可以被覆或電鍍上多種材料。自攻螺絲可製成多種頭型和任意驅動系統，尖尾螺絲可以是機械螺紋或寬螺紋。大部份自攻釘都有一錐型尾端，這種尾端使得在預鑽孔內容易切出或擠出螺紋，為幫助形成內螺紋，螺絲尾部可設計成平的、開槽而且/或者自鑽的及自帶鑽尾的緊固件。
規格:DIN、IFI、日規、客制。

自攻螺絲

自攻螺絲是一種在預鑽好的非錐型孔中切出或擠出內螺紋的緊固件。自攻螺絲一般由有限的幾種材料製成。可能時一般都會表面淬硬，自攻螺絲也可以被覆或電鍍上多種材料。自攻螺絲可製成多種頭型和任意驅動系統，它們可以是機械螺紋或寬螺紋。大部份自攻釘都有一錐型尾端，這種尾端使得在預鑽孔內容易切出或擠出螺紋，為幫助形成內螺紋，螺絲尾部可設計成平的、開槽而且/或者自鑽的及自帶鑽尾的緊固件。
規格: DIN、IFI、日規、客制。

塑板螺絲

高低牙自攻螺絲(High–Low Tapping Screws)，又稱塑板螺絲，使用在塑膠或其他低密度材料。塑板螺絲採雙螺紋設計，高螺紋(牙部外徑較大)具有更平更尖銳螺紋角為30度之螺紋型式，低螺紋(牙部外徑較小)具有一60度之螺紋角，牙高只有高螺紋的一半。塑板螺絲高低螺紋之組合設計降低了旋轉扭矩,改善了拉出強度,大幅降低了組合工件破裂的危險性。
規格:DIN、IFI、日規、客制。

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