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M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic

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M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic

M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic
M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic

Large Image :  M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic

Product Details:

Place of Origin: China
Brand Name: VDL
Certification: ISO 9001
Model Number: CPTS1002

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 10000 pcs each carton with dimension 20 X 22 X 25 cm , 500 cartons to a 20 ft container
Delivery Time: 30 days
Payment Terms: L/C, T/T, Western Union , Paypal
Supply Ability: 1000, 000 pcs per month
Detailed Product Description
Material: Carbon Steel Finish: Zinc
Hardness: HRC 35 Head: CSK
Point: Flat Thread: Tapping
Diameter: 3 Length: 12
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M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic

 

 

Flat head PT@ screw with hex socket , flat point and wide spiral threads for securing plastic board .

 

Key Features

 

◆ Flat point

 

◆ 90 degree flat head

 

◆ Wider thread distance

 

◆ Small blank angle for threads

 

◆ Larger major diameter and small bottom diameter

 

 

Specification

M3.5 Black Countersunk Thread Rolling Screws Hex Socket Steel Fastener For Plastic 0

d 3
dk 5.0-5.3
Head angle 90°
L 12
k 1.75

 

d : thread diameter dk : head diameter

 

 

Installation

 

1 . Drill a pre-hole in material with pre-depth for screw ( see details in table )

 

2 . Insert screw into hole and screwing it in a wrench .

 

 

Installation tips

 

PT@ screws are normally used to secure plastics , there is a pre-drilling hole before install a screw , the hole diameter and depth are different for different plastic materials .

 

Plastic material Screw thread diameter “ d “ Pre-drilling hole diameter Pre-drilling hole depth
PC d 0.85d 2d
PA d 0.75d 1.7d
ABS d 0.8d 2d
ASA d 0.78d 2d

 

 

 

Finishing

 

Finishing Colors Thickness Charicteristic
Zinc Blue ,White ,Black ,Yellow 5-107μm Bright and smooth surface ,corrosion resistance

 

 

Material

 

PT@ screws are made of carbon steel 1022 material with black color

 

 

Chemical elements

 

C Si Mn S P Cu Cr Ni Alt
0.2 0.05 0.83 0.006 0.018 0.05 0.06 0.02 0.035

 

 

Physical performance

 

Rel N/mm2 370
Rm N/mm2 495
Elongation A ( % ) 33.5
Reduction of areaZ ( % ) 62
Density g/cm^3 7.85
Tensile strength(σb/MPa 539

 

 

Applications

 

Be used for various plastics

 

 

Characteristics

 

◆ Harden material

 

◆ High tensile strength

 

◆ Fast thread drilling performance

 

◆ Good material flowing performance

 

◆ High clamping load performance

 

◆ Reduce radial stresses

 

 

 

 

Note ; PT@ screws is a trademark for EJOT verbindungstechnik GMBH CO. KG

Contact Details
VEDALI HARDWARE CO., LTD

Contact Person: MR.LIN

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