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Black Ball Seat Wheel Bolts for Mercedes Applications and H&R Spacer Installations
The H&R HRS1454702SW wheel bolts are precision-machined fasteners in M14x1.5 thread with a 47mm overall length, Mercedes-type ball seat head, and a 17mm hex, finished in black. Sold as a set of 10, the HRS1454702SW is designed for use as OEM replacement wheel bolts or as the required hardware when installing H&R Trak+ wheel spacers on Mercedes-Benz and other vehicles using the M14x1.5 ball seat wheel bolt specification. The black finish provides a clean appearance that complements both stock and aftermarket wheel designs. Manufactured from high-grade steel to exacting tolerances for reliable, safe wheel installation.
Key Features
- M14 x 1.5 thread specification for Mercedes and compatible platforms
- 47mm length for spacer installations and extended OEM replacement applications
- Mercedes ball seat head type for correct wheel seat engagement
- 17mm hex head for standard socket use
- Black finish for a clean, stealth appearance
- Grade 10.9 high-strength steel construction
- Set of 10
Specifications
| Detail | Value |
|---|---|
| Part Number | HRS1454702SW |
| MPN | HRS1454702SW |
| Thread Size | M14 x 1.5 |
| Length | 47mm |
| Seat Type | Mercedes Ball Seat (Type R) |
| Hex Size | 17mm |
| Finish | Black |
| Grade | 10.9 |
| Quantity | Set of 10 |
| Brand | H&R Springs |
| UPC | Not specified |
What's Included
- 10x H&R HRS1454702SW wheel bolts (M14x1.5, 47mm, Mercedes ball seat, 17mm hex, black)
About H&R Springs
H&R Springs is a German manufacturer with over 40 years of experience in precision suspension and wheel fastener engineering. H&R wheel bolts cover a comprehensive range of thread sizes, lengths, and seat types for European, Asian, and domestic platforms. Every bolt is manufactured to grade 10.9 steel standards, providing the clamping strength required for safe wheel installation on both street and track applications.
Frequently Asked Questions
What vehicles use M14x1.5 Mercedes ball seat wheel bolts?
M14x1.5 ball seat wheel bolts are the standard specification for most Mercedes-Benz vehicles. Many Volkswagen Group and other European platforms also use M14x1.5 thread, but with tapered or different seat geometries. Always confirm the seat type required by your specific vehicle and wheel before ordering.
Why is the HRS1454702SW 47mm long instead of the standard OEM length?
The 47mm length is often specified when installing wheel spacers, which add distance between the hub and wheel. The extended length ensures adequate thread engagement through the spacer and into the wheel. Verify the correct length for your spacer thickness before ordering.
Can I use the HRS1454702SW as a direct OEM replacement?
The HRS1454702SW can be used as a replacement wherever M14x1.5 Mercedes ball seat bolts of 47mm length are called for. Confirm the length matches your OEM specification before installing as a straight replacement.
What is the difference between a ball seat and tapered seat wheel bolt?
A ball seat (also called radius or R-type seat) has a rounded contact surface between the bolt head and the wheel seat. A tapered seat has a conical contact surface. Using the wrong seat type will result in incorrect contact geometry, improper clamping force, and potential wheel loosening. Always match the seat type to your wheel's specification.
Is grade 10.9 appropriate for wheel bolts?
Yes. Grade 10.9 is the standard specification for OEM and quality aftermarket wheel bolts on European vehicles. It provides the tensile and proof load strength required for safe wheel installation under normal and performance driving conditions.
What torque should I use with the HRS1454702SW?
Follow your vehicle manufacturer's specified wheel bolt torque. For most Mercedes-Benz models this is typically 110-130 Nm (81-96 ft-lbs). Always verify against your specific model's service manual.
Does the black finish on the HRS1454702SW affect corrosion resistance?
The black finish provides moderate corrosion resistance suitable for normal road conditions. For environments with heavy road salt exposure, inspect bolts periodically for any surface corrosion and replace if compromised.
Are the HRS1454702SW compatible with aftermarket Mercedes wheels?
Only if the aftermarket wheels use a Mercedes ball seat type (Type R). Aftermarket wheels vary in seat type, so confirm the wheel manufacturer's specified seat type before ordering.
Installation Instructions
- Confirm the HRS1454702SW thread size (M14x1.5) and ball seat type match your vehicle and wheel requirements.
- Clean hub threads and wheel bolt holes before installation.
- Thread bolts in by hand to confirm smooth engagement without cross-threading.
- Using a 17mm socket and torque wrench, tighten in a star pattern to your vehicle's factory specification.
- Recheck torque after the first 50 miles following any wheel removal and reinstallation.
H&R
H&R Special Springs is a German suspension manufacturer founded in 1984 that produces premium lowering springs, coilover kits, sway bars, wheel spacers, and complete suspension systems for European, Japanese, and domestic performance vehicles. The brand's springs are manufactured in Germany using a progressive-rate design that provides a lower stance with improved handling compared to stock while maintaining the compliance needed for daily driving on imperfect road surfaces. H&R coilover systems including the Street Coilover and Sport Coilover lines provide adjustable ride height from approximately 1 to 3 inches of drop alongside matched shock absorbers that are calibrated for the specific vehicle's weight and suspension geometry. The brand's TUV and ECE certifications for European applications ensure compliance with European vehicle regulations, and H&R's decades of development testing on German roads and race tracks produce suspension systems with well-developed, confi...
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