Suzhou Runtai Precision Hardware Co,.Ltd.
We are professional manufacture factory of screws, bolts, rivets, nuts,bushing and non-standard fastener from China.
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Black Oxide Alloy Steel Button Head Phillips Screw with Washer Alloy Steel Flanged Round Head Screws
Products Description
These alloy steel screws are nearly twice as strong as stainless steel button head screws. They have a flange that distributes pressure across a wide surface, eliminating the need for a separate washer. Head height includes the flange.Length is measured from under the flange.
Black-oxide alloy steel screws are mildly corrosion resistant in dry environments.
Zinc-plated alloy steel screws resist corrosion in wet environments.
Products Specification
| Thread Size | M4 |
| Thread Pitch | 0.7 mm |
| Length | 12 mm |
| Threading | Fully Threaded |
| Flange Diameter | 9.40 mm |
| Head Height | 2.20 mm |
| Drive | |
| Style | Phillips |
| Size | 2.5 mm |
| Material | Black-Oxide Alloy Steel |
| Fastener Strength Grade/Class | Class 10.9 |
| Hardness | Rockwell C32 |
| Tensile Strength | 100,000 psi |
| Thread Type | Metric |
| Thread Spacing | Coarse |
| Thread Direction | Right Hand |
| Head Type | Rounded |
| Rounded Head Style | Button |
| Rounded Head Profile | Wide |
| Screw Features | Flanged |
| System of Measurement | Metric |
| Specifications Met | |
| RoHS | Compliant |
Note: Material, Size and Surface Treatment for choose.
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