Premium motor grader blades from China—high‑carbon steel, manganese steel, carbide‑tipped options. Flat, curved, serrated types for Cat, Volvo, XCMG, Sany. Factory direct, OEM quality, global delivery.
What Is a Motor Grader Blade?
A motor grader blade (grader cutting edge) is the core wear part of a motor grader, directly contacting soil, gravel, asphalt, and aggregates during grading, leveling, ditching, and road maintenance. Also known as grader cutting edge, it determines grading precision, surface smoothness, and service life of the machine. High‑quality blades reduce downtime, lower operating costs, and deliver consistent results across all terrain conditions.

Key Types & Applications
1. Flat Grader Blades
- Features: Straight, thick, maximum wear material
- Best for: Heavy road maintenance, pioneering work, hard packed gravel, high‑abrasion sites
- Benefits: High impact resistance, long service life, stable cutting performance
2. Curved Grader Blades
- Features: Smooth arc design, better material rolling action
- Best for: Fine grading, finish leveling, slope work, asphalt preparation
- Benefits: Superior penetration, precise tolerance (<6 mm), clean surface finish
3. Serrated / Toothed Blades
- Features: Jagged cutting edge, enhanced grip
- Best for: Frozen earth, ice, hard clay, compacted gravel, tough road rehabilitation
- Benefits: Faster penetration, reduced operator fatigue, ideal for severe impact conditions
4. Carbide‑Tipped Grader Blades
- Features: Tungsten carbide inserts on wear surface
- Best for: Extreme abrasion, rock, mine sites, heavy‑duty highway maintenance
- Benefits: 15–20× longer life than standard steel, maintains sharp edge longer
Premium Materials & Specifications
Material Options
- High‑Carbon Steel: HRC 48–52, good wear resistance, cost‑effective for general use
- Manganese Steel (ZGMn13): HRC 50–58, high toughness, shock‑resistant for heavy loads
- Alloy Steel (Boron Steel): Heat‑treated, balanced hardness & toughness
- Carbide‑Reinforced: For maximum wear life in extreme conditions
Standard Sizes
- Length: 1,000–2,000 mm (12′–24′), common: 1,200/1,500/1,800 mm
- Width: 120–180 mm
- Thickness: 15–30 mm (light:15–20 mm; heavy:25–30 mm)
- Hole Pattern: OEM‑standard drilled holes for Cat, Volvo, XCMG, Sany, Komatsu, etc.
Why Choose Our Motor Grader Blades?
1. Factory Direct from China
As a professional motor grader blade manufacturer & exporter in Maanshan, China—famous for blade and tooling production—we offer competitive prices without middlemen, strict quality control, and reliable lead times.
2. OEM Quality & Perfect Fit
- 100% compatible with major brands: Caterpillar, Volvo ABG, Dynapac, XCMG, Sany, LiuGong, Komatsu
- Precision CNC cutting, heat treatment, and hole drilling ensure easy installation & tight fit
- Check the hardness, straightness, and surface quality of each shovel before shipment
3. Durable & Cost‑Effective
- Advanced quenching & tempering for consistent hardness and toughness
- Optional carbide overlay extends service life in high‑wear applications
- Reduce downtime & replacement frequency, lower total cost of ownership
4. Global Export & Fast Delivery
- Exported to Southeast Asia, Middle East, Africa, Europe, and Australia
- Flexible shipping: FOB/CIF, sea/air freight
- Small MOQ available for testing; bulk orders for fleet maintenance
Applications & Industries
- Road Construction: Highway, municipal road, rural road grading & leveling
- Site Development: Airport runway, port yard, parking lot preparation
- Mining & Quarrying: Haul road maintenance, stockpile leveling
- Agriculture: Land leveling, irrigation ditch digging
- Snow Removal: Ice and snow cutting with serrated blades
How to Select the Right Grader Blade
- Match Your Machine: Confirm brand, model, and blade dimensions (length, width, hole pattern)
- Assess Working Conditions:
- Light‑Duty: Flat, 15–20 mm thick, high‑carbon steel
- Medium‑Duty: Curved or flat, 20–25 mm, manganese steel
- Heavy‑Duty: Serrated or carbide‑tipped, 25–30 mm, alloy/manganese steel
- Prioritize Quality: Choose blades with consistent hardness, precise holes, and smooth edges to avoid premature wear and machine damage
Final Thoughts
A high‑quality motor grader blade is essential for efficient, cost‑effective road construction and maintenance. Our China‑made blades combine premium materials, precise manufacturing, and OEM compatibility, delivering long life and reliable performance worldwide.
Contact us today for custom quotes, technical specs, or bulk orders—your trusted supplier of motor grader blades and road construction parts.