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- Description
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DIN 912 A2 Stainless Steel Hex Socket Head Cap Screws M3–M10, 6–70 mm
DIN 912 socket head cap screws are manufactured from A2 stainless steel and designed for threaded fastening applications requiring a cylindrical head with an internal hexagonal drive. Also known as Allen head screws, they can be installed and removed using a matching hex key or socket driver.
The cylindrical head provides a defined bearing surface, while the internal hexagonal socket allows the screw to be driven from above. These machine screws feature metric threads intended for use with matching nuts or pre-threaded holes.
The A2 stainless steel construction provides corrosion resistance for general mechanical, equipment and assembly applications. The screws can be used in indoor and outdoor installations where this stainless steel grade is suitable.
The range includes 33 dimensional configurations with nominal metric thread sizes from M3 to M10. Available lengths range from 6 to 70 mm, depending on the selected thread size. Each dimensional version is identified by an individual FNI part number.
Technical Specifications
Product Type Hex Socket Head Cap Screw Standard DIN 912 Catalogue Designation TCCE 912 Material A2 Stainless Steel Head Type Cylindrical Socket Head Drive Type Internal Hexagon Socket Thread Type Metric Machine Thread Available Thread Sizes M3, M4, M5, M6, M8, M10 Available Length Range 6–70 mm Number of Variants 33 Dimensions Format Nominal Thread Size × Length
Features and Applications
- Manufactured from corrosion-resistant A2 stainless steel.
- DIN 912 cylindrical socket head design.
- Internal hexagon socket for use with a matching Allen key or hex driver.
- Metric threads for fastening with compatible nuts or threaded holes.
- Suitable for general mechanical, equipment and assembly applications.
- Available in six nominal metric thread sizes.
- Choice of 33 dimensional configurations with lengths from 6 to 70 mm.
Available Sizes and Part Numbers
Thread Size Length FNI Part No. M3 10 mm Y912310 M3 16 mm Y912316 M4 12 mm Y912412 M4 16 mm Y912416 M4 18 mm Y912418 M4 20 mm Y912420 M4 25 mm Y912425 M4 30 mm Y912430 M4 40 mm Y912440 M5 12 mm Y912512 M5 16 mm Y912516 M5 25 mm Y912525 M5 40 mm Y912540 M5 6 mm Y91256 M6 10 mm Y912610 M6 16 mm Y912616 M6 18 mm Y912618 M6 35 mm Y912635 M6 40 mm Y912640 M6 50 mm Y912650 M6 55 mm Y912655 M6 60 mm Y912660 M8 16 mm Y912816 M8 20 mm Y912820 M8 25 mm Y912825 M8 35 mm Y912835 M8 40 mm Y912840 M8 50 mm Y912850 M8 70 mm Y912870 M10 30 mm Y9121030 M10 35 mm Y9121035 M10 40 mm Y9121040 M10 60 mm Y9121060
Size Selection
Select the required metric thread size and screw length for the intended fastening application. The screw thread must match the corresponding nut or threaded hole. Available lengths vary by thread size, so refer to the listed dimensional combinations and individual FNI part numbers.
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