KAMAZ Truck Bolts: Complete Sourcing Guide for 2026
KAMAZ remains one of the most widely operated truck brands across Russia, the CIS, Eastern Europe, and Central Asia. From the rugged KAMAZ 4310 military truck to the heavy-duty 65115 dump truck, these vehicles demand reliable, high-tensile fasteners that can handle extreme loads, harsh climates, and long service intervals.
Whether you're a distributor stocking aftermarket parts or a fleet operator maintaining KAMAZ vehicles, this guide covers everything you need to know about sourcing the right KAMAZ truck bolts, U-bolts, and suspension fasteners.
Understanding KAMAZ Bolt Specifications
KAMAZ trucks use metric threading with specifications that overlap partially with European standards. The table below summarizes the most common fastener types and their specifications across popular KAMAZ models:
| KAMAZ Model | Wheel Bolt (Thread) | Front U-Bolt | Rear U-Bolt | Center Bolt |
|---|---|---|---|---|
| KAMAZ 4310 | M22 × 1.5 | M20 × 1.5 | M22 × 1.5 | M16 × 1.5 |
| KAMAZ 5320 | M22 × 1.5 | M20 × 1.5 | M22 × 1.5 | M16 × 1.5 |
| KAMAZ 5410 | M22 × 1.5 | M20 × 1.5 | M22 × 1.5 | M16 × 1.5 |
| KAMAZ 65115 | M22 × 1.5 | M22 × 1.5 | M24 × 2.0 | M18 × 1.5 |
| KAMAZ 5490 | M22 × 1.5 | M22 × 1.5 | M22 × 1.5 | M18 × 1.5 |
Types of KAMAZ Fasteners You Need to Stock
1. Wheel Bolts (Колесные болты)
Russian truck fasteners for wheels are typically M22×1.5 with a hex head. KAMAZ wheel bolts come in two main designs: standard hex head (30mm or 32mm socket size) and ball seat (for alloy wheel applications on newer models). Key dimensions to verify include overall length (typically 80–120mm), shank length, and shoulder diameter.
2. U-Bolts (Стремянки / U-образные болты)
U-bolts secure the leaf spring assembly to the axle housing. KAMAZ front axles generally use M20 U-bolts, while rear axles use M22 or M24 depending on the model. The critical measurements are thread diameter, thread pitch, inside width (leg spacing), and leg length — which varies by leaf spring pack thickness.
3. Center Bolts (Центральные болты)
Center bolts hold the leaf spring stack together. KAMAZ center bolts are typically M16×1.5 or M18×1.5 with a square or countersunk head. Length depends on the number of leafs in the spring pack, ranging from 120mm to 200mm.
4. Spring Pins & Bushings
Suspension pivot points require hardened steel pins and rubber/metal bushings. These components wear over time and should be replaced as a set for consistent suspension performance.
Material & Grade Recommendations
For KAMAZ applications, we recommend the following material and grade combinations:
| Application | Recommended Grade | Material | Heat Treatment |
|---|---|---|---|
| Wheel Bolts (heavy trucks) | 10.9 or 12.9 | 40Cr / 35CrMo | Quenching + Tempering |
| U-Bolts | 8.8 or 10.9 | 45# / 40Cr | Quenching + Tempering |
| Center Bolts | 8.8 or 10.9 | 45# / 40Cr | Quenching + Tempering |
| Spring Pins | Hardened HRC 38–45 | 40Cr / 35CrMo | Induction Hardening |
Why Quality Matters for KAMAZ Bolts
KAMAZ trucks operate in some of the world's most challenging environments — from the frozen roads of Siberia to the dusty tracks of Central Asia. A bolt failure at speed isn't just a breakdown; it's a safety risk. Substandard KAMAZ bolts are prone to:
- Thread stripping — especially when using incorrect thread pitch
- Shear failure — common in bolts below Grade 10.9 for wheel applications
- Corrosion — inadequate surface treatment leads to rapid rust in wet/salty conditions
- Fatigue cracking — poor heat treatment creates micro-cracks that propagate over time
At HOJON, all KAMAZ-compatible fasteners are manufactured from certified steel (45#, 40Cr, 35CrMo) with precise heat treatment to achieve the required mechanical properties. Every batch is tested for hardness, tensile strength, and dimensional accuracy.
Sourcing Tips for KAMAZ Bolt Distributors
- Verify thread pitch. Don't assume — KAMAZ uses M22×1.5 (fine thread) for most wheel bolts, not the coarser M22×2.0. The wrong pitch means instant rejection.
- Stock multiple lengths. Different KAMAZ models and wheel types (steel vs. aluminum) require different bolt lengths. A common range is 80mm, 100mm, and 120mm.
- Bundle U-bolt nuts. Supply U-bolts with matching Grade 10 or 12 self-locking nuts — this adds value for your customers and ensures correct torque application.
- Include sizing documentation. Provide a simple cross-reference chart showing which KAMAZ model uses which fastener. Your customers will thank you and come back for more.
Need KAMAZ-Spec Fasteners?
HOJON stocks a full range of KAMAZ wheel bolts, U-bolts, center bolts, and suspension pins. Send us your target models and quantities, and we'll provide a complete quotation within 24 hours.
Frequently Asked Questions
The KAMAZ 5320 typically uses M22×1.5 wheel bolts with Grade 10.9 strength. U-bolts vary by axle position — front axle U-bolts are usually M20×1.5, while rear axle U-bolts are M22×1.5. Center bolts are commonly M16×1.5.
Some KAMAZ bolt specifications overlap with European trucks, but direct interchangeability is not guaranteed. KAMAZ uses metric threads (M22×1.5, M20×1.5) similar to MAN and IVECO, but head profiles, lengths, and shoulder dimensions often differ. Always verify fitment before purchasing.
KAMAZ trucks primarily require Grade 10.9 bolts for wheel fasteners and suspension applications. Some older KAMAZ models may use Grade 8.8 for less critical applications. For heavy-duty and off-road KAMAZ models, Grade 12.9 is recommended for maximum reliability.
HOJON Auto Parts manufactures KAMAZ-compatible bolts in all standard sizes (M12–M36) with materials 45#, 40Cr, and 35CrMo. Contact our sales team with your KAMAZ model and specification requirements for a tailored quotation.
Key identification parameters: thread size (e.g., M22×1.5 or M20×1.5), total length, shank length, head diameter (usually 32mm or 36mm hex), and ball seat angle if applicable. KAMAZ uses both hex head and ball seat designs depending on the model and wheel type.
Also read: Why Grade 10.9 Bolts Matter for Heavy Trucks | BPW Trailer Axle Bolts Compatibility Guide