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Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.
Representative image of an RCScrewZ stainless steel screw kit for Kyosho Caliber M50 Class Nitro RC Helicopter (21943); exact kit contents vary by RC model.

RCScrewZ Stainless Steel Screw Kit kyo076 for Kyosho Caliber M50 Class Nitro RC Helicopter (21943) | RCX

RCScrewZ

SKU: kyo076

Regular price
$33.97
Sale price
$33.97
Regular price
$34.95
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Quick snapshot of availability, estimated delivery, and our shipping/returns.

Available Quantity: 100

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.

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This page shows the Stainless Steel Screw Kit for this RC model — view all compatible Screw and Bearing kits for this RC model by clicking this link:

Kyosho Caliber M50 (#21943) RC Helicopter — Compatible Kits by RCScrewZ (Screws & Bearings)

Pro tip: Most builders grab a Stainless Screw Kit and a Bearing Kit for this RC model so everything wears evenly.

Quick Fit Summary
  • Compatible Brand: Kyosho
  • RC Model: Kyosho Caliber M50 Class Nitro RC Helicopter (21943)
  • Scale: 1:8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Chassis: Kyosho Caliber M50 helicopter (21943)
  • Era: Not currently verified
  • OEM / Models: 21943
Quick Fit Summary — Full Details

Quick Fit Summary

Key fit details for your RC model, plus what’s in this kit.

RC Model Fit & Specs

  • Compatible Brand: Kyosho
  • Fit: Kyosho Caliber M50 Class Nitro RC Helicopter (21943)
  • Compatible RC Model Numbers: 21943
  • Scale: 1:8
  • Power Source / Fuel Type: Nitro & Glow Fuel
  • Vehicle Type: Class M50 Nitro RC Helicopter
  • Chassis: Kyosho Caliber M50 helicopter (21943)
  • Era: Not currently verified
  • RC Model Terrain: Aerial Use

This Kit Details

  • SKU: kyo076
  • MPN: kyo076
  • Product: RC Model Screw Set
  • Product Material: Polished Stainless Steel (A2-70/A4-80)
  • Product Color: Silver
  • Threads/Heads: Hex screws: Button Head, Socket Cap, Flat/Countersunk, Set Screws
  • Pieces: Piece count coming soon. Contact us for immediate details.
  • Coverage: Model-specific fasteners; replaces coarse screws
  • Use Case: Full RC Rebuild / Upgrade
  • Kit Contents:
    • 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 great for storage)
  • Tips: Seat fully · avoid cross-thread · Blue threadlocker on metal-to-metal · Re-check after first runs · retorque lightly · Rust-resistant stainless steel
  • Install: ≈60 min; recheck torque after first run
  • Country of Origin: United States
Full Product Description

Exact RC Model Fitment

Compatible RC Model:
Kyosho Caliber M50 Class Nitro RC Helicopter (21943)

Compatible RC Brand:
Kyosho

RC Vehicle OEM / Model Number(s):
21943

RCScrewZ Kit Part Number:
kyo076

Vehicle Compatibility Details

RC Vehicle OEM / Model Number(s)
21943
RC Chassis Compatibility
Kyosho Caliber M50 helicopter (21943)
Compatible Vehicle Type
Class M50 Nitro RC Helicopter
Terrain Compatibility
Aerial Use
Compatible Scale
1:8
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 Caliber M50 Class Nitro RC Helicopter, OEM/model code 21943.

  • Compatible RC Model/OEM Numbers: 21943

  • Scale: Not currently verified

  • Power Source / Fuel Type: Nitro

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

  • Drive Type: Not currently verified

  • Vehicle Type: Class M50 Nitro RC Helicopter

  • Chassis: Kyosho Caliber M50 helicopter (21943)

  • Era: Not currently verified

  • OEM / Models: 21943

  • RC Model Terrain: Aerial Use

This Kit Details:

  • SKU: kyo076

  • MPN: kyo076

  • 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:

  • 21943

Model Family Coverage:

  • Caliber
  • Caliber M50

Product Benefits:

  • A2-70/A4-80 stainless steel hardware helps resist corrosion during rebuilds, maintenance, and long-term storage.
  • Model-specific screw-kit fitment helps Kyosho builders service the correct vehicle without guessing across similar platforms.

Legacy Screw Kit Note: Metal parts may need to be re-tapped for metric threads. Axle wheel nuts remain standard thread.

Fitment Note: Screw kit note: this legacy screw-kit fitment is treated as a metric conversion; metal parts may need re-tapping for metric threads and axle wheel nuts remain standard thread.

Release Date: Not currently verified.

Search-Friendly Notes: Compatible with Kyosho builders searching by model name, series, and OEM/model number for the correct RCScrewZ screw kit or bearing kit.

Stainless Screw Kit Details

RCScrewZ Kit Part Number
kyo076
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.

Fits: Kyosho Caliber M50 Class Nitro RC Helicopter (21943)
$33.97

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