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 manufacturerβs required hardware, torque, and thread-locking specifications before replacing safety-critical fasteners.
Fits: Kyosho Caliber 6 Nitro RC Helicopter (21260)
OEM / model: 21260
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) β as of October 2025. View on eBay
Compatible RC Model:
Kyosho Caliber 6 Nitro RC Helicopter (21260)
Compatible RC Brand:
Kyosho
RC Vehicle OEM / Model Number(s):
21260
RCScrewZ Kit Part Number:
kyo109
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 Caliber 6 Nitro RC Helicopter, OEM/model code 21260.
Compatible RC Model/OEM Numbers: 21260
Scale: Class 600
Power Source / Fuel Type: Nitro
Battery / Cell Count: Not applicable
Drive Type: Helicopter Rotor Drive
Vehicle Type: Class 600 Nitro RC Helicopter
Chassis: Kyosho Caliber 6 Helicopter (21260)
Era: Modern Transition (2000-2009)
OEM / Models: 21260
RC Model Terrain: Aerial: RC Helicopter Flight
This Kit Details:
SKU: kyo109
MPN: kyo109
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: 21260
Model Family Coverage: Caliber, Caliber 6
Product Benefits:
Fitment Note: This kit is intended only for the Kyosho model family and OEM/model codes listed here. Match your chassis and model number before ordering.
Search-Friendly Notes: Compatible Kyosho RC maintenance parts for Kyosho Caliber 6 nitro helicopter screw kit bearings.
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.