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Easy to Use Durable Fang Bolt

Fang Bolt - A specialized anti-loosening fastener featuring serrated flanges or locking inserts that create mechanical resistance against vibration-induced rotation. Commonly used in heavy machinery, transportation systems, and structural applications where vibration resistance is critical. Available in various configurations including nylon-insert, double-nut, and wedge-locking designs to maintain clamping force under dynamic loads.
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  • Fang bolt


Product Description

Fang Screw (also known as anti-slip screw, toothed screw, or knurled screw) is a specially designed fastener typically used in elevator belts or other transmission systems to enhance friction, prevent slippage, or secure belt joints. Its defining feature is the presence of serrations, grooves, or special textures (i.e., "teeth") on the screw head or thread, providing stronger gripping force and anti-loosening performance.



Key Features

1. High Anti-Slip Performance:
The serrated design effectively increases friction with belts, metal, or rubber contact surfaces, preventing loosening or slippage.


2. Vibration-Resistant & Anti-Loosening:
The toothed structure maintains secure fastening even in high-vibration environments, making it suitable for high-speed elevator systems.


3. Wear Resistance:
Made from high-strength materials or treated with surface coatings (e.g., quenching, plating) to extend service life.


4. Easy Installation:
Self-tapping serrated screws can be directly driven into the base material, eliminating the need for pre-drilling.


5. Versatile Compatibility:
Available in different tooth densities and hardness levels to match various belt materials (rubber, PVC, steel cord, etc.).



Applications

Elevator Belt Systems:
Used for securing belt joints or installing belt clamps to prevent misalignment and slippage during high-speed operation.
Commonly applied in bucket elevators across mining, cement plants, grain conveying, and related industries.


Transmission Devices:
Serves as an auxiliary fastener in sprocket, gear, or timing belt transmissions to enhance drive stability.


Industrial Equipment:
Ideal for anti-loosening applications in vibrating screens, conveyors, heavy machinery, and similar equipment.


Maintenance & Retrofitting:
Provides quick and reliable solutions for old belt replacement or temporary reinforcement.


Fang Bolt
Tolerance quality is 6g,mechanical properties grade is greater than 4.8-5.6.Surface treatment is galvanized.
Applied to lift heavy capacity materials and can be used in highline speed.It is suitable for plastic bucket and steel bucket.


Especially for install big capacity bucket or big convexity bucket.Italso can borne heavy impact load during the operation of the equipment.

Elevator Bolt

General & Dimension(Material: Carbon Steel-Zinc Plated, Stainless Steel)

Size

D mm

D mm

L mm

L1 mm

Quantity of Carton

M6x25

M6

22

25

20

2000

M6x30

M6

22

30

25

1500

M6x38

M6

22

38

32

1500

M8x30

M8

27

30

22

1000

M8x35

M8

27

35

27

1000

M8x42

M8

27

42

34

1000

M8x45

M8

27

45

37

1000

M10x35

M10

32

35

25

600

M10x45

M10

32

45

35

600

M10x50

M10

32

50

40

600

Example screw specification: M6*25P, M8*30S,M8*35Y, M10*45WS

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