- Class 8.8 steel is often used in applications where strength is the primary concern
- Zinc plating resists corrosion and has a yellow reflective appearance
- Flange hex head has a non-serrated flange for additional grip with the mating surface
- Meets DIN 6921 specifications
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Class 8.8 Steel Cap Screw, Yellow Zinc Plated Finish, Flange Hex Head, External Hex Drive, Meets DIN 6921, Flanged, Non-Serrated, Right Hand Threads, Metric
|Price:||$7.87 - $15.91|
|System of Measurement||Metric|
|Specification Met||DIN 6921|
|Drive Style||External Hex|
|Exterior Finish||Yellow Zinc Plated|
|Head Style||Flange Hex|
|Thread Style||Right Hand|
The class 8.8 steel cap screw has a yellow zinc plated finish, has a non-se... See more product details
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The class 8.8 steel cap screw has a yellow zinc plated finish, has a non-serrated flange hex head with an external hex drive, and meets Deutsches Institut für Normung DIN 6921 specifications. Class 8.8 steel, composed of quenched and tempered medium carbon steel, is often used in applications where strength is the primary concern. The material is magnetic. The zinc plating offers corrosion resistance and has a yellow reflective appearance. The flange hex head has six flat sides that wrenches can grip to turn from the side, enabling use when there is no space above the head for a screwdriver. The non-serrated flange acts like a washer to increase the fastener's bearing surface and distribute the clamping force over a larger area, providing grip and reducing damage to mating surfaces.
Cap screws and hex bolts are threaded fasteners with thick hex-shaped heads that can be used with threaded nuts or in areas with limited clearance above the tapped (threaded) hole. Cap screws have slightly different dimensions than hex bolts and have a washer face underneath their unflanged hex head to act as a large bearing surface against the mating material.
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Don't expect these to last a few on/off instances.