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Trusted by Over 1000 Customers All Over the World
Trusted by Over 1000 Customers All Over the World
Standard:DIN912
Finish:As finished
Size:M2.5-M30(Other sizes, please inquiry us)
Strength Grade:12.9
In our daily lives, Long Socket Screws hex socket bolts play a critical role in many fields due to their unique shape and characteristics. From mechanical manufacturing to building construction, and even in car repairs, hex socket bolts are an essential component. The Black Long Socket Extension Screws are manufactured by FastenMetal are with high precision and high strength to grade 12.9.
At FastenMetal,we stock various of standard socket screws with wide range size from M2.5-M16. Fastenmetal also custom non standard socket screws and other fasteners from drawings.Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply.
| Unit:mm | ||||||||
| d | p | b | dk | s | t | |||
| threads distance | max | min | knurl | min | max | |||
| M3 | 0.5 | 18 | 5.5 | 5.32 | 5.68 | 2.52 | 2.58 | 1.3 |
| M4 | 0.7 | 20 | 7 | 6.78 | 7.22 | 3.02 | 3.08 | 2 |
| M5 | 0.8 | 22 | 8.5 | 8.28 | 8.72 | 4.02 | 4.095 | 2.5 |
| M6 | 1 | 24 | 10 | 9.78 | 10.22 | 5.02 | 5.14 | 3 |
| M8 | 1.25 | 28 | 13 | 12.73 | 13.27 | 6.02 | 6.14 | 4 |
| M10 | 1.5 | 32 | 16 | 15.73 | 16.27 | 8.025 | 8.175 | 5 |
| M12 | 1.75 | 36 | 18 | 17.73 | 18.27 | 10.025 | 10.175 | 6 |
| M14 | 2 | 40 | 21 | 20.67 | 21.33 | 12.032 | 12.212 | 7 |
| M16 | 2 | 44 | 24 | 23.67 | 24.33 | 14.032 | 14.212 | 8 |
| M18 | 2.5 | 48 | 27 | 26.67 | 27.33 | 14.032 | 14.212 | 9 |
| M20 | 2.5 | 52 | 30 | 29.67 | 30.33 | 17.05 | 17.23 | 10 |
| M22 | 2.5 | 56 | 33 | 32.61 | 33.39 | 17.05 | 17.23 | 11 |
| M24 | 3 | 60 | 36 | 35.61 | 36.39 | 19.065 | 19.275 | 12 |
| M27 | 3 | 66 | 40 | 39.61 | 40.39 | 19.065 | 19.275 | 13.5 |
| M30 | 3.5 | 72 | 45 | 44.61 | 45.39 | 22.065 | 22.275 | 15.5 |
| Size not listed? Please inquiry us | ||||||||
Long socket screws and nuts are sturdy fasteners used for tight, secure fittings in machinery, construction, and heavy-duty projects. These screws have a hex socket head, making them easy to tighten with an Allen key, and are typically paired with matching nuts. They offer strong support and a neat finish, perfect for applications where a solid, lasting hold is essential.For quotes,inquiries,or custom screws and nuts request, please feel free to click the button”get a free quote”.
Standard:DIN912
Finish:As finished
Size:M2.5-M30(Other sizes, please inquiry us)
Strength Grade:12.9
Button Head Socket Screws are screws known for their button shaped heads and internal hex drive (socket) that allows for tightening with an Allen key or hex wrench. They are popular in applications requiring a clean, low-profile finish as the rounded head sits above the surface, giving a smooth appearance. Typically made from materials like stainless steel, alloy steel, or even plastic, these screws are widely used in machinery, electronics, and furniture due to their strength and ease of installation.For quotes,inquiries,or custom screws and nuts request, please feel free to click the button”get a free quote”.
Size:M2.5-M16(Other sizes, please inquiry us)
Strength Grade:8
Stainless Socket Shoulder Screws, also known as shoulder bolts, are sturdy fasteners made of corrosion-resistant stainless steel, featuring a smooth, unthreaded shoulder between the head and threaded end. For quotes,inquiries,or custom screws and nuts request, please feel free to click the button”get a free quote”.
Material:stainless steel
Standard:GB
Finish:As finished
Size:M2.5-M16(Other sizes, please inquiry us)
Strength Grade:8
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