Corrosion resistance
Rust-resistant stainless steel
SAVE
$0.98
$0.98
Why Choose This Kit
Key features and intended use for this kit.
Verified material
A2-70/A4-80 Stainless Steel
Designed use
Model-specific maintenance & rebuilds
Stainless Screw Kit125+ Pieces
RCScrewZ Stainless Steel Screw Kit hpi015 for HPI Racing Nitro RS4 3 RTR 1/10 Nitro 4WD On-Road Touring / Rally Car (#510, HPI510, Nitro RS4 3, RS4 3 RTR) | SET
Model-specific stainless hardware for maintaining, repairing, and rebuilding this RC vehicle.
Fits: HPI Racing Nitro RS4 3 RTR 1/10 4WD Rally Car (510, HPI510)
OEM / model: 510, HPI510, HPI Racing 510, Nitro RS4 3, RS4 3 RTR
US
- Regular price
- $33.97
- Sale price
- $33.97
- Regular price
-
$34.95
In stock
Confirm this kit fits your RCMatch the RC model and OEM/model number shown above to your vehicle.
Confirm This Fits Your RC
Match the RC model and OEM/model number below before ordering.
- RC model
- HPI Racing Nitro RS4 3 RTR 1/10 4WD Rally Car (510, HPI510)
- OEM / model number
- 510, HPI510, HPI Racing 510, Nitro RS4 3, RS4 3 RTR
- Kit type
- Stainless Steel Screw Kit
- Piece count
- 125+ Pieces
- Scale
- 1:10
- Power
- Nitro & Glow Fuel
More compatibility details
- RC brand
- HPI Racing
- Vehicle class
- Land
- Kit SKU
- hpi015
- Model series
- RS4
Product information
Everything You Need Before Ordering
Review what is included, installation notes, shipping details, and complete kit information.
Kit Contents & Installation
What’s IncludedReview the product-specific hardware and confirmed 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 designed to organize and store the included hardware)
Hardware Coverage NotesCheck the product-specific hardware coverage before ordering.
- Confirm any barrel, shoulder, or collared screw requirements against the listed kit contents.
- Confirm any screw-pin or threaded-pin requirements against the listed kit contents.
- Check separately whether required E-clips or body clips are listed.
- Check separately whether required turnbuckles or hinge pins are listed.
- Do not assume that every original fastener or coarse-thread location is covered. Compare the stated kit coverage and the original hardware before installation.
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
- Kit Coverage
- Model-specific stainless fasteners for maintenance, repairs, and rebuilds
- Corrosion Protection
- 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:
HPI Racing Nitro RS4 3 RTR 1/10 4WD Rally Car (510, HPI510)
Compatible RC Brand:
HPI Racing
RC Vehicle OEM / Model Number(s):
510, HPI Racing 510, HPI510, Nitro RS4 3, RS4 3 RTR
RCScrewZ Kit Part Number:
hpi015
Vehicle Compatibility Details
- RC Vehicle OEM / Model Number(s)
- 510, HPI Racing 510, HPI510, Nitro RS4 3, RS4 3 RTR
- RC Chassis Compatibility
- Nitro RS4 3 / RS4 3 RTR shaft-drive chassis
- Compatible Vehicle Type
- Rally Car
- Terrain Compatibility
- On-Road
- Compatible Scale
- 1:10
- 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
Compatibility Title: HPI Racing Nitro RS4 3 RTR 1/10 Nitro Rally Car Compatibility
Quick Fit Summary:
Compatible Brand: HPI Racing
Fit: Model-specific for the listed RC model/platform: Nitro RS4 3 RTR
Compatible RC Model/OEM Numbers: 510, HPI510, HPI Racing 510, Nitro RS4 3, RS4 3 RTR
Scale: 1/10
Power Source / Fuel Type: Nitro
Battery / Cell Count: Not applicable.
Drive Type: 4WD
Vehicle Type: Rally Car
Chassis: Nitro RS4 3 / RS4 3 RTR shaft-drive chassis
Era: Modern Transition (2000-2009)
OEM / Models: 510, HPI510, HPI Racing 510, Nitro RS4 3, RS4 3 RTR
RC Model Terrain: On-Road
This Kit Details:
SKU: hpi015
MPN: hpi015
Kit Type: Stainless Steel Screw Kit
Screw Kit Piece Count: 125+ Pieces
Product Material: A2-70/A4-80 stainless steel hardware
Product Color: Silver
Release / Catalog Date: 2002
Product Benefits: This HPI stainless screw kit replaces worn factory hardware with A2-70/A4-80 stainless steel hardware for corrosion resistance, durability, RC repair, RC rebuild work, and a cleaner silver fastener finish. It is model-specific for the listed RC model/platform and supports HPI screws and stainless hardware maintenance for Nitro RS4 3 RTR.
Fitment Note: Start threads carefully by hand, use properly fitting hex tools, and do not overtighten screws into plastic or composite parts. Specialty hardware, shoulder screws, pins, wheel nuts, and non-screw items may need to be reused when not included in the model-specific kit.
OEM Alias Coverage: 510, HPI510, HPI Racing 510, Nitro RS4 3, RS4 3 RTR
Terrain Compatibility: On-Road
Stainless Screw Kit Details
- RCScrewZ Kit Part Number
- hpi015
- Product Brand
- RCScrewZ
- Screw Type
- Metric Stainless Steel Screws
- Screw Material
- A2-70/A4-80 Stainless Steel
- Approximate Piece Count
- 125+ 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.
Share This Kit
Know another RC owner who could use this kit? Send them this exact product page.
More ways to share:
%20%7C%20SET)
Customer Reviews
More Verified Kits for This RC Model
These kits are verified for the same exact RC model and OEM/model number.
Rubber-Sealed Bearing Kit
For HPI Racing Nitro RS4 3 RTR 1/10 4WD Rally Car (510, HPI510) OEM/model: 510, HPI510, HPI Racing 510, Nitro RS4 3, RS4 3 RTR
Metal-Shielded Bearing Kit
For HPI Racing Nitro RS4 3 RTR 1/10 4WD Rally Car (510, HPI510) OEM/model: 510, HPI510, HPI Racing 510, Nitro RS4 3, RS4 3 RTRContinue Shopping by RC Model
Fits: HPI Racing Nitro RS4 3 RTR 1/10 4WD Rally Car (510, HPI510)
$33.97