Ningbo OuKaiLuo Hardware Co.,Ltd.
Ningbo OuKaiLuo Hardware Co.,Ltd. Quality Fasteners & Service Provider
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DIN 7991 Hexagon Socket Flat Head Bolts, Black Oxide 8.8 Grade
Product Description
Flat Head Bolts, also called Countersunk Bolts, are conical with a flat outer face and a tapering inner face. An advantage to this type of bolt is that very little of the head protrudes beyond the surface, allowing it to sink into the material.
Product Specification
| Material | Alloy Steel |
| Head Style | Flat Head |
| Drive Type | Hexagon Socket |
| Thread Type | Machine Thread |
| Finish | Black Oxide |
| Grade | 8.8 |
| Size | As customer's requires |
| Certification | ISO9001:2015, SGS, RoHS, Bureau Veritas |
| After-sale service | If there are any quality problems, please contact with us at once |
Application
These bolts are typically used in applications where the fastener protruding above the surface is unacceptable.
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FAQ
Q: Are you trading company or manufacturer ?
A: We have our own factory, which is located in Ningbo, Zhejiang. Both design team & manufacture team will support our products.
Q: What’s your main products? Can customize or not?
A: Our main products are screws.
Q: Do you provide samples? Is it free or extra?
A: Yes, we could offer the sample for free charge if we stock, but do not pay the cost of freight.
If you are interested in Flat Head Bolts, Please do not hesitate to email us or call us. Our professional team will assit you to purchased the quality products.