M6 Painted Hex Washer Serrated Head Machine Screw Steel Phillips Slot Combination
M6 Painted Hex Washer Serrated Head Machine Screw Steel Phillips Slot Combination
Serration under head design for hex washer head screw with slot combination , full machine threads with zinc plated and painted green head for good corrosion resistance and bright appearance .
SWRCH 1018 Carbon steel
Harden material
Serrated washer head
Zinc combined with paint head
8.8 property class
Specification
| A | 13 |
| B | R1.7 |
| C | 9.8 |
| D | 5.9 |
| E | 1.2 |
| F | 4.5 |
| G | 1.5 |
| L | 10 |
| M | M6 |
Note : all dimensions are millimeters
Material
Hex slot washer head screw is made from carbon steel with quenching and temper .
Chemical Elements for Screw
| C | Si | Mn | S | P | Cu | Cr | Ni | Alt |
| 0.16 | 0.04 | 0.66 | 0.007 | 0.02 | NA | NA | NA | 0.028 |
Physical Performance for Screw
| Rel N/mm2 | 370 |
| Rm N/mm2 | 495 |
| A ( % ) | 33.5 |
| Reduction of areaZ ( % ) | 66 |
| Density g/cm^3 | 7.85 |
| Tensile strength(σb/MPa | 450 |
Blue zinc plated with paint RAL 6002 on head
| Finishing | Zinc |
| Head finishing | Zinc and paint |
| Paint color | Green RAL 6002 |
| Zinc thickness | 8 um |
| Paint thickness | 10 um |
| Standard | RoHS ( 2002/95-EC ) |
Advantages for Screws
● Harden material with grade 8.8
● Perfect corrosion resistance with zinc and paint surface
● RoHS meet for environment
● High tensile strength for heavy duty design
● Multiple drive design for various screwdriver bits
● Bright appearance for decorative purpose
● No any burrs without scratch
● Strict dimensions for convenient operation
● Self locking performance with serration under head
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