Free Chrome Zinc Steel Flat Head Screws Tapping M3.5 Phillips Drive for Plastic
M4X15 flat head screw with angle 90 degree countersunk for concave socket , Philips drive with specification 2 is driven by a screwdriver bit .
Technical data
Thread style : machine threads
Coarse / fine threads : Fine
Material : SWRCH 1010
Case hardness : HV 220
Core hardness : HV150
Torque : 8 Kgf-cm
Property class : 4.8
Quenched and Tempered : NA
Basic Specification
| Thread diameter d | M4 |
| Full length L | 15 |
| Head height H | 2.2 |
| Head width D | 7.5 |
Note : all dimensions are millimeters
Material
Flat head screw is made of carbon steel SWRCH 1010 , this material is eco-friendly and with good ductility and not easy to be deformed .
Finishing
| Finishing | Zinc |
| Standard | RoHS ( 2002/95-EC ) |
| Thickness | 8 um |
| Color | Blue |
| Chrom free | 3+ |
Chemical elements
| C | Si | Mn | S | P | Alt |
| 0.09 | 0.03 | 0.3 | 0.008 | 0.013 | 0.029 |
Physical performance
| Rel N/mm2 | 255 |
| Rm N/mm2 | 365 |
| A ( % ) | 41 |
| Z ( % ) | 69.5 |
| Density g/cm^3 | 7.85 |
| Tensile strength(σb/MPa | 410 |
Advantages
◎ Good ductility
◎ Torsional resistance
◎ High tensile strength
◎ Corrosion resistance
◎ Long service
◎ Hard material
Packing data for shipment
| Model No. | size | Qty/box | Weight /box/kg |
| FHS0415 | M4x15 | 1000 | 1.5 |
Note : we accept customized package .
Besides , we provide more screws as following
Machine Screws
Self Tapping Screws
Wood Screws
Self Drilling Screws
Deck Screws
Chipboard Screws
Thread Rolling Screws
Thread Forming Screws
PT Screws
Stainless Steel Screws
Bi-metal Screws
Distance Screws
Brass Screws
Aluminum Screws
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