Why Choose This Kit

Key features and intended use for this kit.

Corrosion resistance

Rust-resistant stainless steel

Verified material

A2-70/A4-80 Stainless Steel

Designed use

Model-specific maintenance & rebuilds

Stainless Screw Kit

RCScrewZ Stainless Steel Screw Kit kyo092 for Kyosho Concept 30 SRX Class 30 Nitro RC Helicopter (21302) | SET

RCScrewZSKU: kyo092

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 Concept 30 SRX Class 30 Nitro RC Helicopter (21302)
OEM / model: 21302

US
Regular price
$38.94
Sale price
$38.94
Regular price
$43.95

In stock

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Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.

Exact model check

Confirm This Fits Your RC

Match the RC model and OEM/model number below before ordering.

RC model
Kyosho Concept 30 SRX Class 30 Nitro RC Helicopter (21302)
OEM / model number
21302
Kit type
Stainless Steel Screw Kit
Scale
Class 30 (Heli)
Power
Nitro & Glow Fuel
View all verified kits for this model →
More compatibility details
RC brand
Kyosho
Vehicle class
Helicopter
Kit SKU
kyo092
Model series
Concept, Concept 30, Concept 30 SRX
Product information

Everything You Need Before Ordering

Review what is included, installation notes, shipping details, and complete kit information.

Kit Contents & Installation

What’s IncludedSee the hardware, tools, and storage case supplied with this kit.
  • Socket Screws (with extras)
  • Button Screws (with extras)
  • Flat Head Screws (with extras)
  • Set Screws (with extras)
  • Nuts (with extras)
  • Washers (with extras)
  • Bondhus Short Arm Hex Wrenches (all sizes for your kit)
  • Plastic Pit Case (durable, reusable, and designed to organize and store the included hardware)
What’s Not IncludedReview which specialized hardware types are not included with this kit.
  • Barrel, shoulder, or collared screws
  • Screw pins or threaded pins
  • E-clips or body clips
  • Turnbuckles or hinge pins
  • Original-style wood, plastic, or coarse-thread screws are not included. Where your RC model uses a coarse-thread screw, this kit supplies a compatible machine-thread stainless steel replacement for that location.
Installation & Model NotesImportant instructions and model-specific guidance.

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

Kit Details Material, model-specific coverage, corrosion protection, and intended use.
Material
A2-70/A4-80 Stainless Steel
Kit Coverage
Model-specific stainless fasteners for maintenance, repairs, and rebuilds
Corrosion Protection
Rust-resistant stainless steel
Designed Use
Model-specific maintenance & rebuilds
Shipping & Returns Handling time, current delivery estimate, and return policy.
Free shipping on all U.S. orders (USPS Priority Mail).
Ships within 1–2 business days (Mon–Fri); some Saturday shipments by 12:00 PM ET.
Most orders ship from Canton, MI 48187. APO/FPO/DPO & PO Boxes welcome.
Priority Mail typically delivers in 2–3 business days (estimates; not guaranteed).
Easy 30-day returns with prepaid USPS label; refunds issued within 3 business days after the return is received.

Over 99% positive over ~14,000 orders on eBay (last 12 months) — as of October 2025. View on eBay

Full Product Description Read the complete product specifications and details.

Exact RC Model Fitment

Compatible RC Model:
Kyosho Concept 30 SRX Class 30 Nitro RC Helicopter (21302)

Compatible RC Brand:
Kyosho

RC Vehicle OEM / Model Number(s):
21302

RCScrewZ Kit Part Number:
kyo092

Vehicle Compatibility Details

RC Vehicle OEM / Model Number(s)
21302
RC Chassis Compatibility
Kyosho Concept 30 SRX Helicopter (21302)
Compatible Vehicle Type
Class 30 Nitro RC Helicopter
Terrain Compatibility
Aerial Use
Compatible Scale
Class 30 (Heli)
Compatible Fuel Type
Nitro & Glow Fuel

What Is Included

This model-specific stainless screw kit includes hardware for the verified RC chassis. Exact sizes, quantities, and screw styles vary by model.

  • Socket-head screws, with extras where applicable
  • Button-head screws, with extras where applicable
  • Flat-head or countersunk screws, with extras where applicable
  • Set screws, with extras where applicable
  • Matching nuts and washers, with extras where applicable
  • Bondhus short-arm hex wrenches for applicable kit sizes
  • Reusable plastic pit case for organized storage
Important: The exact hardware mix is determined by the verified chassis configuration. Not every kit requires every screw style listed above.

What Is Not Included

This kit does not include items that require a different fitment, material, or hardware design:

  • Barrel screws
  • Shoulder or collared screws
  • Screw pins or threaded pins
  • E-clips or body clips
  • Turnbuckles or hinge pins
  • Wood, plastic, or coarse-thread screws

Installation & Model Notes

Stainless Steel Screw Kit Compatibility:

Quick Fit Summary:

  • Compatible Brand: Kyosho

  • Fit: Model-specific fitment for Kyosho Concept 30 SRX Class 30 Nitro RC Helicopter, OEM/model code 21302.

  • Compatible RC Model/OEM Numbers: 21302

  • Scale: Class 30

  • Power Source / Fuel Type: Nitro & Glow Fuel

  • Battery / Cell Count: Not applicable - nitro powered.

  • Drive Type: Rotor-driven helicopter

  • Vehicle Type: Class 30 Nitro RC Helicopter

  • Chassis: Kyosho Concept 30 SRX Helicopter (21302)

  • Era: Not currently verified

  • OEM / Models: 21302

  • RC Model Terrain: Aerial Use

This Kit Details:

  • SKU: kyo092

  • MPN: kyo092

  • 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:

  • Verified OEM / Model Codes: 21302

  • Model Series: Concept, Concept 30, Concept 30 SRX

Model Family Coverage:

  • Designed for the Kyosho Concept 30 SRX family shown in this listing. Do not assume fitment with other Kyosho helicopter variants unless your OEM/model code matches.

Product Benefits:

  • A2-70/A4-80 stainless steel hardware helps resist rust and corrosion during rebuilds, maintenance, and restoration work.

  • Model-specific hardware selection helps avoid generic assortment guesswork.

  • Installation tip: use proper hex drivers, start threads carefully, and do not overtighten into plastic, aluminum, or composite parts.

Fitment Note:

  • Confirm your Kyosho model and OEM/model code before ordering. This kit is intended for Kyosho Concept 30 SRX fitment with OEM/model code(s) 21302.

  • Legacy kit-specific note: If this kit is used as a metric conversion, metal parts may need to be re-tapped for metric threads; wheel nuts remain standard-thread for axles.

Search-Friendly Notes:

  • Useful for Kyosho helicopter owners searching for Concept 30 SRX stainless screws, metal shielded bearings, and model-specific RC maintenance parts.

Stainless Screw Kit Details

RCScrewZ Kit Part Number
kyo092
Product Brand
RCScrewZ
Screw Type
Metric Stainless Steel Screws
Screw Material
A2-70/A4-80 Stainless Steel
Approximate Piece Count
Piece count coming soon. Contact us for immediate details.
Color
Silver
Country/Region of Manufacture
United States

Before Ordering

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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Fits: Kyosho Concept 30 SRX Class 30 Nitro RC Helicopter (21302)
$38.94