Description
Key Specifications
| Feature |
Specification |
| Overall Length (A) |
8 in (203.2 mm) |
| Cutting Width / Face Height (B) |
1.98 in (50.3 mm) |
| Blade Thickness (C) |
3 mm |
| Center Hole Diameter (D / Bore) |
Ø1 in (25.4 mm) |
| Material |
65Mn High-Carbon Spring Steel (Heat Treated) |
| Hardness |
HRC 48–55 (typical) |
| Edge Type |
Single bevel or Double bevel (configurable) |
| Surface Finish |
Black oxide / Powder-coated / Polished |
| Direction of Rotation |
Clockwise or Counter-clockwise (machine dependent) |
| Primary Application |
Lawn edging, turf trimming, landscape maintenance |
3. Dimensional Overview
Top View
- Overall blade length (A): 8 in (203.2 mm)
- Central mounting bore (D): Ø1 in (25.4 mm)
Side View
- Blade thickness (C): 3 mm
- Cutting width/face height (B): 98 in (50.3 mm)
Legend
- A— Total blade length
- B— Cutting width/blade face height
- C— Plate thickness
- D— Center mounting bore diameter
4. Material & Performance Characteristics
Material Specification
65Mn High-Carbon Spring Steel (GB/T 699)
- High wear resistance and excellent edge retention
- Good toughness after proper heat treatment
- Widely used for agricultural, mower, and edger blades
- Cost-effective material for OEM and large-scale production
Heat Treatment
- Quenched and tempered process
- Optimized balance of toughness and edge retention
- Final hardness after heat treatment: HRC 48–55
5. Mounting & Compatibility
- Designed for edger tools and walk-behind edgers with Ø25 mm arbor
- Compatible with petrol, electric, and commercial-grade edging machines
- Blade orientation must match machine rotation direction
- Mounting hardware (bolts, washers) supplied only if specified
6. Features & Benefits
- Durable Construction– Withstands abrasive turf, soil, and debris contact
- Precision Ø25 mm Bore– Ensures secure, vibration-free mounting
- Wide Cutting Face (50 mm)– Produces clean, defined lawn edges
- Thick Blade Body (5 mm)– Improved stability, reduced vibration
- High-Strength Steel– Suitable for residential and commercial landscaping applications
7. Suitable Applications
- Lawn and garden edge trimming
- Turf border maintenance
- Driveway and footpath edge cleaning
- Professional landscape finishing work
8. OEM Compatibility (Cross-Reference)
Compatible Part Numbers
- Echo:720237001 / 720-237-001
- Green Machine:237001
- Husqvarna:601 00 07-49, 601 00 24-54
- Maruyama:216062, 840084
- Red Max:6367-15110
- Ryobi:147135, 613223, 613223R
- Shindaiwa:72950-92100
Stihl: 4133 713 4101
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