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J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX
J-M SUPPLIES RC Parts Store - RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX

RCScrewZ Stainless Screw Kit czr003 for Cross RC KR4 Athletics Series (#CZRKR4B) | RCX

RCScrewZ

SKU: czr003

Regular price
$38.94
Sale price
$38.94
Regular price
$43.95
Shipping, stock & payment info
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.

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

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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:

Cross RC KR4 Athletics Series #CZRKR4B — 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: CrossRC
  • RC Model: Cross RC KR4 Athletics Series #CZRKR4B
  • Scale: 1:10
  • Power Source / Fuel Type: Electric
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: CrossRC
  • Fit: Cross RC KR4 Athletics Series #CZRKR4B
  • Scale: 1:10
  • Power Source / Fuel Type: Electric
  • Vehicle Type: 4x4 Crawler
  • RC Model Terrain: All-Terrain

This Kit Details

  • SKU: czr003
  • MPN: czr003
  • Product: RC Screw Kit
  • 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: 230+ Pieces
  • 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:
Cross RC KR4 Athletics Series #CZRKR4B

Compatible RC Brand:
CrossRC

RC Vehicle OEM / Model Number(s):

RCScrewZ Kit Part Number:
czr003

Vehicle Compatibility Details

RC Vehicle OEM / Model Number(s)
RC Chassis Compatibility
Compatible Vehicle Type
4x4 Crawler
Terrain Compatibility
Compatible Scale
1:10
Compatible Fuel Type
Electric

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

**** 230+ Pieces in Screw Kit

RCScrewZ Stainless Screw Kit For Cross RC Kit (#KR4B) ****

Stainless Screw Kit Details

RCScrewZ Kit Part Number
czr003
Product Brand
RCScrewZ
Screw Type
Metric Stainless Steel Screws
Screw Material
A2-70/A4-80 Stainless Steel
Approximate Piece Count
230+ Pieces
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: Cross RC KR4 Athletics Series #CZRKR4B
$38.94
Back to Cross RC KR4 Athletics Series #CZRKR4B — Compatible Kits by RCScrewZ (Screws & Bearings)

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