Torx Countersunk Self Tapping Screws

AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of torx countersunk self tapping screws in China. Please feel free to buy high quality torx countersunk self tapping screws made in China here from our factory. For price consultation, contact us.

 

As a global supplier of customized fastening solutions, AYA's service process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.

 

PRODUCT DESCRIPTION

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Product Name	Torx Countersunk Self Tapping Screws
Also Named	Flat Head Torx Self Tapping Screw
Material	Carbon Steel
Standard	JIS B 1128 (F)
Diameter	ST2.9, ST3.5, ST4.2, ST4.8, ST5.5, ST6.3
Finish	Plain, Black Oxide, Zinc Plated, Thick-Film Passivated(ZSML), Zinc Flake, Silver(ZFSHL), Hot Dipped Galvanized, Organic, Geomet, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Alternative Standard	ISO 7050, DIN 7982, ASME B 18.6.4, ASME B 18.6.5M, JIS B 1122
Head Type	Flat Head
Drive Type	Phillips Drive
Thread Type	Self-Tapping Screw Thread

 

 

Torx Countersunk Self-Tapping Screws: The driving part of the Torx countersunk self-tapping screws features a star-shaped design with typically six points. This design offers a better grip compared to traditional Phillips flat-head self-tapping screws or slotted countersunk flat head screws, reducing the likelihood of slipping and making the fastening more secure. The countersunk design allows the screw to sit flush with or slightly below the surface of the material, preventing unnecessary protrusions and minimizing the risk of scratches or collisions.

 

DIMENSIONS TABLE

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Nominal Diameter d			ST2.9	ST3.5	ST4.2	ST4.8	ST5.5	ST6.3
P	Pitch		1.1	1.3	1.4	1.6	1.8	1.8
a			1.1	1.3	1.4	1.6	1.8	1.8
dk	max	Theory	6.3	8.2	9.4	10.4	11.5	12.6
		Actual	5.5	7.3	8.4	9.3	10.3	11.3
	min		5.2	6.9	8	8.9	9.9	10.9
k	max		1.7	2.35	2.6	2.8	3	3.15
r	max		1.2	1.4	1.6	2	2.2	2.4
y	Ref.	Type C	2.6	3.2	3.7	4.3	5	6
		Type F	2.1	2.5	2.8	3.2	3.6	3.6
		Type R	/	2.7	3.2	3.6	4.3	5
Socket No.			10	15	20	25	25	30
A	Ref.		2.8	3.35	3.95	4.5	4.5	5.6
t	max		0.91	1.3	1.58	1.78	2.03	2.42
	min		0.65	1	1.14	1.39	1.65	2.02

 

 

PRODUCT DETAILS

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PRODUCT ADVANTAGES

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ADVANTAGES OF Torx Countersunk Self Tapping Screws

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1. Better Grip: The Philips head screw (also known as star-shaped screw) features multiple points, which provides stronger grip compared to traditional Phillips or slotted head screws. This reduces the likelihood of slipping and makes tightening more secure and reliable.

2. Countersunk Design: The countersunk head of the screw is tapered, allowing it to sit flush with or slightly below the material surface when installed. This design not only enhances the appearance, making it more neat and aesthetically pleasing, but also effectively prevents the screw head from protruding and causing scratches or collisions.

3. Simplified Installation: The self-tapping screw's thread design allows it to cut its own threads directly into the material during installation, eliminating the need for pre-drilling. This makes the installation process faster and more convenient, and it is suitable for materials like wood, plastic, and thin metal.

4. Reduced Slipping: The star-shaped head of the screw provides a larger contact area, effectively reducing slipping, especially performing well in high-torque applications.

5. Durability: AYA fasteners are made from high-strength materials, offering good durability and corrosion resistance, making them suitable for various environmental conditions.

6. Wide Application: This type of screw is versatile and can be used across a broad range of materials including wood, plastic, and thin metal, making it adaptable for various applications.

 

QUALITY INSPECTION

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PACKAGING & CONTAINER LOADING

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USAGE SCENARIOS 

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1. Construction and Decoration: In decorative projects such as door and window installation, flooring, and wall paneling, the countersunk design ensures the screw head sits flush with the surface, providing a smooth visual effect.

2. Electronics Assembly: In the assembly of small electronic devices that require precise fastening, torx countersunk self-tapping screws are often used to secure plastic, thin metal sheets, and other materials.

3. Automotive Industries: Due to their self-tapping capability and countersunk design, these screws are often used in automotive interiors, providing a secure connection without affecting surface smoothness.

4. Home Assembly: Torx countersunk self-tapping screws are commonly used in the assembly of household products that require secure fastening, such as cabinets and bookshelves.

5. Plastic Fastening: Since self-tapping screws do not require pre-drilled holes, they are suitable for direct insertion into softer materials like plastic, making them widely used in fastening plastic casings, electronic products, and more.

 

WHY CHOOSE AYA? 

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AYA provides exclusive services to 1000+ members from all over the world every year, with a unique chain service solution system, you only need to click the mouse to get exclusive fastening solution and enjoy door-to-door services.

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