Corrosion resistance
Rust-resistant stainless steel
Key features and intended use for this kit.
Rust-resistant stainless steel
A2-70/A4-80 Stainless Steel
Model-specific maintenance & rebuilds
Model-specific stainless hardware for maintaining and rebuilding this RC helicopter, matched to the listed model and OEM number.
Safety check: Confirm the manufacturer’s required hardware, torque, and thread-locking specifications before replacing safety-critical fasteners.
Fits: Kyosho Nexus 30 S Nitro Helicopter (21702, 21705)
OEM / model: 21702, 21705
In stock
Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.
Match the RC model and OEM/model number below before ordering.
Review what is included, installation notes, shipping details, and complete kit information.
Kit Contents & Installation
Start threads by hand and seat screws fully to help prevent cross-threading.
Use blue threadlocker only on metal-to-metal threads; do not apply threadlocker to plastic.
After the first runs, inspect the hardware and retorque lightly as needed.
Details & Support
Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay
Compatible RC Model:
Kyosho Nexus 30 S Nitro Helicopter (21702, 21705)
Compatible RC Brand:
Kyosho
RC Vehicle OEM / Model Number(s):
21702, 21705
RCScrewZ Kit Part Number:
kyo053
This model-specific stainless screw kit includes hardware for the verified RC chassis. Exact sizes, quantities, and screw styles vary by model.
This kit does not include items that require a different fitment, material, or hardware design:
Stainless Steel Screw Kit Compatibility:
Quick Fit Summary:
Compatible Brand: Kyosho
Fit: Model-specific fitment for Kyosho Nexus 30 S.
Compatible RC Model/OEM Numbers: Kyosho Nexus 30 S (21702, 21705)
Scale: 1/7
Power Source / Fuel Type: Nitro
Battery / Cell Count: Not applicable - nitro powered.
Drive Type: Main rotor drive
Vehicle Type: Nitro RC Helicopter
Chassis: Kyosho Nexus 30 S nitro helicopter airframe (21702, 21705)
Era: Golden Age (1990-1999)
OEM / Models: 21702, 21705
RC Model Terrain: Aerial: RC Helicopter Flight
This Kit Details:
SKU: kyo053
MPN: kyo053
Kit Type: Stainless Steel Screw Kit
Screw Kit Piece Count: Not currently verified.
Product Material: A2-70/A4-80 stainless steel hardware
Product Color: Silver
OEM / Model Code / Alias Coverage:
Kyosho Nexus 30 S (21702, 21705). Verify the OEM/model number in your manual, box, or chassis paperwork to confirm fitment before ordering.
Model Family Coverage:
Nexus, Nexus 30, Nexus 30 S
Legacy Kit-Specific Note To Preserve:
Metric conversion kit note: metal parts must be re-tapped for metric threads; wheel nuts remain standard thread for axles
Product Benefits:
A2-70/A4-80 stainless steel hardware helps resist corrosion and supports durable long-term maintenance.
Model-specific screw kit for restoration, rebuild, and service work on this Kyosho Nexus 30 S platform.
Installation tip: use proper hex drivers, start threads carefully, and do not overtighten into plastic, aluminum, graphite, or composite parts.
Fitment Note:
This is a model-specific RCScrewZ kit for Kyosho Nexus 30 S. Match your Kyosho OEM/model number or model series to 21702, 21705 before ordering.
Search-Friendly Notes:
Common buyer searches include Kyosho Nexus 30 S parts, Kyosho Nexus 30 S screw kit, Kyosho Nexus 30 S bearings, and Kyosho RC replacement hardware.
Confirm your exact RC model, chassis configuration, and vehicle OEM/model number where applicable before ordering.
Do not assume fitment for custom conversions, mixed-chassis builds, modified vehicles, or unverified model variations.
Contact J-M SUPPLIES RC Parts Store before ordering when your vehicle does not match the compatibility details shown above.
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These kits are verified for the same exact RC model and OEM/model number.