VEDALI HARDWARE CO., LTD
VEDALI HARDWARE CO., LTD Professional Hardware Supplier Perfect Engineering Solutions
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12.9 Grade Socket Head Cap Screws High Tensile Strength Constructural Bolt
High tensile strength hex socket cap screws are made of alloy steel with black oxide based on grade 12.9 , knulred head for easy operation by hand and there is a reinforce design under head .
Generally , hex socket cap screws with full threads and flat point for fastening heavy duty pieces
| Items | Description | Remark | Picture | |
| Material | Steel | 12.9 |
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| Finish / Plating | Oxide | Black | ||
| Hardness | 42 | HRC | ||
| Color | Black |
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| Standard | DIN 912 |
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| Dimensions | Thread dia. | M8 | Head dia. | 15.2 |
| Full length | 35 | Head height | 5.5 | |
| Pitch | 1.5 | Head socket | Hex | |
You can choose more specifications for hex socket head cap screws
| d Thread diameter | Cup head dia. | Cup head height | cup S hex | L |
| 3 | 5.5 | 3 | 2.5 | 5-10 |
| 4 | 7 | 4 | 3 | 8-15 |
| 5 | 8.5 | 5 | 4 | 10-30 |
| 6 | 10 | 6 | 5 | 15-45 |
| 8 | 13 | 8 | 6 | 20-80 |
| 10 | 16 | 10 | 8 | 25-100 |
| 12 | 18 | 12 | 10 | 30-120 |
| 14 | 21 | 14 | 12 | 50-150 |
| 16 | 24 | 16 | 14 | 50-200 |
| 18 | 27 | 18 | 14 | 60-250 |
| 20 | 30 | 20 | 17 | 80-400 |
1 . High tensile strength
Hex socket cap screws are made from alloy steel material and with 12.9 grade hardness .
2 . Not easy to be broken
Harden material ups to HRC 42 hardnes .
3. Standard dimension and strict tolerances ,
Black cap screws based on DIN 912 standard .
4 . Easy operation
5 . Free burrs or scratch .
6 . Good ductility
7 . Heavy duty application is available .
Tips for application
1 .Operated by a hex wrench
2 . Pre-drilled hole before installation ..
3 . Far from acid and chemical conditions .
4 . Do not strike hex socket cap screws machine into material .
Black oxide high tensile strength hex socket cap screws are used to various fileds with high corrosion resistnace requested .
| Normal packing
1. In bulk : Polybag ( 1-5 kgs) and cartons (8-20 kgs ) , 0.01 CBM / CTN
2. Boxes : Box ( 1-3 kgs) and cartons ( 5-15 kgs ) , 0.01 CBM / CTN
3. All cartons to a pallet ( 1X1.2 m )
4. Customized packing |  |
Note : Objects showed in picture are only for reference , not stand for described items .
We manufacture various hardware parts , you can find and click following descriptions to see more items .
| Screws
| Various standard and non-standard fastener screws with qualified materials for different applications . |
| Nuts and bolts | High tensile strength bolts nuts for engineering projects . |
| Washers and spacers | Different materials washers and spacers for mechanical and clectronic parts |
| Fastener Pins | Precise mechanical tolerances and good quality for industry . |
| Plastic Parts | Customized manufacturing service and top materials for communication and electronics and auto etc . |
| Precise testing equipments and tools for hardness , dimensions , corrosion resistance and pass rate etc . our tolerance for tools is up to 0.005 mm . | All products are compliance with RoHS and REACH standards | |
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| Note : We are available for customized requests on quality
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| Stamping parts with complicated designs , min. tolerances to 0.01mm (0.0004 inch ) , monthly capacity ups to 100 tons .
Availabe material : 1. Carbon steel 2. Brass 3. Aluminum 4. Stainless steel 5. Plastic 6. Various alloy steel eg. titanium alloy . |
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| Precise turning machines and CNC , tolerances are up to 0.01 and 0.008 mm for limitaiton . 5 million pcs monthly capacity .
Availabe material :
1. Carbon steel 2. Brass 3. Aluminum 4. Stainless steel 5. Plastic 6. Various alloy steel eg. titanium alloy .
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| Assorted fastener machines to make different screws , bolts , nuts and pins etc . Diameter from M0.8 to M30 . Monthly capacity ups to 300 tons .
Availabe material : 1. Carbon steel 2. Brass 3. Aluminum 4. Stainless steel 5. Plastic 6. Various alloy steel eg. titanium alloy . | |
Warm Tips
If you are interesting in hex socket head cap screws , please contact us via email or phone , we will get back to you within 12 hours , Thank you !