Ningbo OuKaiLuo Hardware Co.,Ltd.
Ningbo OuKaiLuo Hardware Co.,Ltd. Quality Fasteners & Service Provider
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Steel white zinc torx pan head sems screw with flat washer
Product Description
SEMS refer to a screw or bolt that has a captive washer. The washer is frequently loose on the plain shank of the fastener, with the shank diameter being equal to the effective diameter of the thread and the thread being rolled from this diameter.The major diameter of the screw being larger than the washer hole prevents it from coming off.
| Material | 1022 |
| Head Style | Pan Head |
| Drive Type | Torx |
| Thread Type | Coarse thread |
| Point Type | Flat Point |
| Thread Dia. | M4 |
| Length | 32mm |
| Grade | 4.8 |
| Finish | White zinc |
| Certification | ISO9001:2015, SGS, RoHS, Bureau Veritas |
| After-sale service | If there are any quality problems, please contact with us at once |
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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.