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M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw

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M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw

M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw
M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw

Large Image :  M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw

Product Details:
Place of Origin: China
Brand Name: VDL
Certification: ISO
Model Number: PSM630
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 10000 pcs each carton in bulk 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: 500 , 000 pcs per month
Detailed Product Description
Material: Nylon Property Class: PA 66
Color: Black Fire Resistance: UL 94V-2
Standard: ISO Thread Diameter: M4
Length: 15 Hardness: HB 14
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M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw

 

 

Plastic countersunk head machine screws , phillips drive socket ,standard machine full threads , flat point and 120° angle for countersunk head .

 

Material

 

Plastic Nylon PA66 with fire resistant grade UL94V-2

 

 

Specification

 

M4 Phillips Drive Black Plastic Screws Countersunk Head Machine Screw 0

 

Thread diameter D M4
Thread length L 15
Head height K 2.2
Head diameter dk 8
Drive Standard PH2

All sizes are in millimeter

 

Tolerance

 

Plastic countersunk head machine screws are referred to ISO , GB standards and ISO 2768 for unspecified tolerances

 

Thread diameter Standard
Thread length ±0.5
Head height ±0.1
Head diameter ±0.1
Drive Standard

All sizes are in millimeter

 

 

Electrical Performance

 

Plastic countersunk head machine screws with good insulation , electrical data as following :

 

Dielectric constant : 1.63

Arc resistance sec : 130~140

Specific volume resistance Ω·cm : 1.83×1015

Dissipation factor : 118

 

 

Physical Performance

 

Density ( g/cm3): 1.14

Water absorption % : 3

Shrinkage % : 1~2

 

 

Thermal Performance

 

Plastic countersunk head machine screws are used in wide temperature , they are resistant high temperature and low temperature .

 

Normal working temperature ℃ : 80~120

Brittle temperature ℃ : -30℃

Melting temperature ℃ : 252

Pyrogenic decomposition temperature ℃ : 350℃

Matin heatproof ℃ : 50~60

 

 

Mechanical Property

 

Plastic countersunk head machine screws with good mechanical property

 

Tensile strength MPa : 60~80

Elongation at break % : 2.2

Bending strength MPa : 100~120

Modulus of elasticity for bending MPa : 2000~3000

Notched Impact Strength(J/m) : 60~100

H hardness : 118

 

 

 

Features

 

1 , Wear resistance

 

2 , Good self-lubricant

 

3 , High mechanical property

 

4 , Resistant high temperature

Normally , plastic machine screws can be operated smoothly at temperature 150℃ and thermal deformed temperature is up to 250℃ when parts with glass fiber .

 

5 , Perfect elongation

Elongation at break is 2.2% according to ISO 527 testing method .

 

6 , Corrosion resistance

 

7 , Good insulation

Specific volume resistance is 1.83×1015 and resistance to high breakdown voltage support part to be good insulated .

 

8 , Resistant impact

60 – 80 KJ/M2 normally .

 

9 , Resistant fire

Generally , the fire resistance is UL94V-2 and UL64V-0 for special parts .

 

 

10 , Resistance to low temperature

Plastic machine screws can be workable at -30℃

 

11 , Environment friendly

Plastic machine screws meet RoHS or REACH environmental production standard .

 

 

Application

 

Plastic machine screws are widely used to various fields that with light load and strict conditions on corrosion resistance and insulation as perfect features .

 

1 , Chemical industry

2 , Car industry

3 , Household appliances

4 , Official equipments

5 , Aerospace

6 , Sports equipments

7 , Technology and research device

8 , Petro industry

9 , Vessel

 

 

Additional Colors

 

We can provide more colors except Black for plastic countersunk head machine screws ,

Popular colors as white ,green ,red ,yellow ,golden and beige .

 

Contact Details
VEDALI HARDWARE CO., LTD

Contact Person: MR.LIN

Tel: +8613556778272

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