DIN 6900 Captive Washer Screw
FLOK supplies DIN 6900 captive washer screws (flat, lock, spring) made of zinc-plated steel, A2, A4 for mechanical engineering and installation work.
The DIN 6900 screw with a captive washer — flat, lock, or spring — is supplied as an assembly and does not require separate washer selection: the product is ready for installation into a pre-tapped hole. The fastener is designed for joining metal parts, including thin sheet metal. The washer reduces pressure on the material, preventing cracking and deformation.
Design and application features
DIN 6900 screws have a hexagon head for a wrench. The standard also provides versions with a cylindrical or hemispherical head with a slot. The material is steel with electroplated zinc coating, or stainless acid-resistant steels A2 and A4.
The fastener is used for joining machine and mechanism components, and profiled metal structures. Areas of application include mechanical engineering, instrument manufacturing, other industrial sectors, as well as construction and installation work.
| Variants | As per DIN | Examples |
|---|---|---|
| Screw with washer (Flat washers) | DIN 6902 | |
| Screw with washer (Spring washers) | DIN 6904 | |
| Screw with washer (Spring washers) | DIN 6905 | |
| Screw with washer (Spring toothed washers) | DIN 6906 | |
| Screw with washer (Toothed lock washers) | DIN 6907 | |
| Screw with washer (Clamping washers) | DIN 6908 |
The screw with washer is used for mounting devices in assembly structures.
See also
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DIN 6901 Self-Tapping Screw with Captive Flat Washer
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DIN 924 Raised Countersunk Head Slotted Set Screw with Cone Point
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DIN 925 Countersunk Head Screw with Slot and Pin
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Self-Tapping Screw DIN 7504 M with Round Head
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DIN 6906 Screw with Captive Spring-Tooth Washer
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Set Screws
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DIN 912 Screw (Bolt)
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DIN 7985 Screw with Cylinder Head and Hemispherical Top
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