NIU
Description
Keep your NIU electric scooter running strong with this genuine OEM M4x10 hexagon socket head cap screw. Engineered to exact factory specifications, this black oxide steel fastener is the correct replacement wherever an M4x10mm hex socket cap screw is required across a wide range of NIU models. A small part that makes a big difference — the right fastener ensures proper torque, vibration resistance, and long-term reliability.
Key Features
- Genuine NIU OEM part — factory-spec dimensions and material
- Black oxide steel construction — corrosion-resistant for long service life
- Hex socket drive — secure torque application with an Allen/hex key
- Direct replacement — no modification required
Specifications
- Part Number: 40203079
- Thread Size: M4
- Length: 10mm
- Drive Type: Hexagon Socket (Allen/Hex Key)
- Finish: Black Oxide Steel
- Brand: NIU (OEM Genuine)
Compatibility
| Brand | Model |
|---|---|
| NIU | XQi3 (all variants) |
| NIU | Compatible NIU models requiring M4x10 hex socket cap screws |
About NIU
NIU is a global leader in smart electric two-wheelers, engineering vehicles and components trusted by riders and fleets worldwide. OEM NIU parts are manufactured to the same exacting standards as the original equipment — ensuring safe, reliable performance for the life of your scooter.
Product Diagrams
Features
Specifications
Thread Size: M4 | Length: 10mm | Head Type: Hexagon Socket (Cap) | Drive: 3mm Allen/Hex Key | Material: Steel | Finish: Black Oxide | Standard: ISO 4762 / DIN 912 | MPN: 40203079
Model Fitments
NIU N1S | NIU N1 | NIU M+ | NIU MQi | NIU MQi2 | NIU MQi+ | NIU NQi | NIU NQi GTS | NIU UQi | NIU KQi | NIU RQi
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Same day shipping for orders placed before 2PM (CST) M-F
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30-day return period on eligible items
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Flat-rate shipping for orders shipped to the 48 Contiguous United States.
