Black ASME Hex Soket Button Head Screw Fastener 5/16 Standard Harden Screws
Black ASME Hex Soket Button Head Screw Fastener 5/16 Standard Harden Screws
Truss head screws with hex socket , full fine machine threads and flat point , used for securing metal or wooden pieces , either work separately or combined with nuts .
Typical Features
Bright appearance
Corrosive resistance
Eco-friendly
No any burrs
Strict dimensions
| Thread diameter d | 6 |
| Thread length L | 15 |
| Head height k | 3.5 |
| Head diameter dk | 13.5 |
| Hex socket depth t | 2 |
| Hex socket width s | 4.05 |
Note : all dimensions are millimeters
M6 X 15 Truss head screw is made of carbon steel with black zinc finishing , property class 4.8 .
Material : SWRCH 1010
Density : 7.8
Hardness : HRC 15
Tensile strength : Mpa 410
Chemical elements
| C | Si | Mn | S | P | Alt |
| 0.09 | 0.03 | 0.3 | 0.008 | 0.013 | 0.029 |
Truss head screw is plated in zinc for corrosion resistance and improve brightness.
| Finishing | Blac zinc |
| Standard | RoHS ( 2002/95-EC ) |
| Thickness | 3 um |
| Color | Black |
Installation
Normally , truss head screw is installed by a wrench and it needs threaded hole that dimension is same as the screw’s and do not need nut to lock it from another end , but for some secure conditions , can be used with nuts to lock parts , eg ., a nut screwed onto screw from another side to secure a thin metal sheet on object .
Applied fields
Truss head screws are used to many fields in industry for various parts as a role of joint or collection for both or more parts .
We can provide more specifications for truss head screws , you can contact us via email group1@vedali.com for getting more information .
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