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M3 Black Plastic Screws Round Head Cross Drive For Electronics

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M3 Black Plastic Screws Round Head Cross Drive For Electronics

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Product Details:
Place of Origin: China
Brand Name: VDL
Certification: ISO
Model Number: PCSM0305
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 30000 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: PC Fire Resistance: UL 94V-0
Hardness: HB 15 Thread Diameter: M3
Length: 5 Drive: PH
Head: Round Point: Flat
High Light:

hardware screws


hardware fasteners


m3 cross drive plastic screws


M3 Black Plastic Screws Round Head Cross Drive For Electronics



General construction


Head : Round


Point : Flat


Drive : PH2


Thread : Full Fine


Pitch : 0.5





Plastic round head micro screws are made from plastic PC (Polycarbonate ) apparent material with good fire resistance .


Plastic PC round head screws are a good choice for items that with high tensile strength and fireproof and light transmittance requests as individual performances .



Physical Performance


Density ( g/cm3) 1.2
Water absorption % 0.1~0.15
Shrinkage % 0.1~0.2



Mechanical Property


Tensile strength MPa 103
Compressive strength at 20% tension kgf/mm2 80
Elongation at break % 3
Bending strength MPa 165
Modulus of elasticity for bending MPa 8270
Notched Impact Strength MPa(kgf/mm) 110
Hardness HR 90
Modulus of elasticity for tension MPa 2280



Thermal Performance


Heat distortion temperature ℃ 115~127
coefficient of linear expansion k 0.00007
Normal working temperature ℃ 110~130
Brittle temperature ℃ -100
Melting temperature ℃ 130
Pyrogenic decomposition temperature ℃ 350



Electrical Performance


Specific volume resistance Ω·cm 1E + 18
Heat conduction W/m.K 0.13~0.2
Dielectric constant 3



Class for Fire Resistance




Environment Friendly Standard







M3 Black Plastic Screws Round Head Cross Drive For Electronics 0


Thread diameter D M3
Thread length L 5
Head height H 2.5
Head diameter dk 6.0
Drive Standard PH2

All sizes are in millimeter




Normal tolerances for plastic round head screws based on your requests and refer to ISO 2768 standard for unspecified tolerances .


Thread diameter M3
Thread length ±0.2
Head height ±0.1
Head diameter ±0.1
Drive PH2

All sizes are in millimeter





High resistant impact


Perfect electrical performance


Odorless with environment protection


Low shrinkage

Generally , it is 0.1%~0.2%


Stable dimensions


High refractivity

Refractivity is 1.578 based on ISO 489 standard


Good thermal stability

Plastic PC round head screws can work in -100℃ to 130℃


Fine shininess


Inhibiting bacterial


Fire resistance

The grade for fire resistance is UL94V-0 without any additive


Hard with good elongation


Perfect apparent performance

Transparency is up to 90% .


Good insulation


Resistance to corrosion

Resistant to acid , salty , oil and alcohol .


Wide working temperature

Plastic PC round head screws can be operated from -100℃ to 130℃ and brittle temperature below -100℃





As outstanding performances , Plastic PC round head micro screws are widely used to various fields in industry especially for fields with high tensile strength and hard working conditions .


▲ Car industry

▲ Household appliances

▲ Official equipments

▲ High level toys

▲ Precise electrics

▲ Aerospace

▲ Petro industry

▲ Technology and research device





What working temperature for plastic PC micro screws ?

Plastic PC micro screws are available for -100℃ to 130℃ .


Is there any use attention for PC micro screws ?

PC micro screws are not resistant Dilute alkalis , concentrated acid , methylene halide , dichloroethane and cresol .


If PC micro screws are used to where with much ultraviolet , should to be added ultraviolet absorbent .


Can you provide samples before place order ?

Yes , free charge for samples .


How many days for delivery ?

Normally , one week for standard specifications .


Can you make customized plastic screws ?

We can , and we are in this field over 10 years with much experiences .


Contact Details

Contact Person: MR.LIN

Tel: +8613556778272

Send your inquiry directly to us (0 / 3000)