
Reversible Double-Edge Wood Chipper Knives | T10 · 9CrSi · Cr12MoV | Landscaping & Forestry
Wood Chipper Blades
Reversible double-edge wood chipper knives in T10, 9CrSi & Cr12MoV. HRC 55–60, precision-ground 25°–30° bevel. Flip when dull — doubles installed life before regrinding. 200–350 mm lengths, 2/4/6-hole bolt patterns. OEM fit for Bandit, Vermeer, Patriot, Wallenstein & Timberwolf. Optional Teflon anti-sap coating.
- ■Material: T10 High-Carbon | 9CrSi Chrome-Alloy | Cr12MoV Tool Steel
- ■Application: Tree Service · Landscaping · Green Waste · Storm Debris
■ ISO 9001:2015 Certified
■ In-House Heat Treatment
■ Strict Dimensional Tolerances
■ Global Door-to-Door Delivery
[ Engineering Reference ]
Decisive Specifications
| Material | T10 High-Carbon | 9CrSi Chrome-Alloy | Cr12MoV Tool Steel |
|---|---|
| Hardness | HRC 55–60 (Triple-Tempered, Through-Hardened) |
| Edge Design | Reversible Double-Edge — flip when dull, 2× installed life |
| Bevel Angle | 25°–30° precision-ground (±0.5°) |
| Lengths | 200–350 mm (8″–14″) |
| Bolt Patterns | 2-hole · 4-hole · 6-hole (custom available) |
| Coating | Black Oxide (std) · Teflon PTFE anti-sap (opt) |
| Application | Tree Service · Landscaping · Green Waste · Storm Debris |

■ All values verified via CMM inspection · ISO 9001:2015
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Need a Specific Size or OEM Replacement?
Don't see your exact specs? Send us a blueprint, a worn sample, or just your machine model. Our team will review the details and provide a tailored quotation.
[ Standard Reference ]
Common Standard Dimensions

| Chipper OEM / Size Class | Length (mm) | Width (mm) | Thickness (mm) |
|---|---|---|---|
| Compact / 8" Class | 200 | 50 | 12 |
| Bandit 12" / Patriot | 230 | 60 | 12 |
| Vermeer BC1200 / 10" | 260 | 65 | 16 |
| Bandit 15" / Vermeer BC1500 | 295 | 75 | 16 |
| Bandit 18" / 19" | 295 | 80 | 19 |
| Vermeer BC1800 / 12" | 310 | 100 | 19 |
| Timberwolf / 13" | 330 | 100 | 19 |
| Heavy Landscape / 14" | 350 | 100 | 22 |
[ OEM Compatibility ]
Compatible Machine Brands
® Registered trademarks are property of their respective owners. Sureay supplies compatible replacement blades — not OEM-branded parts.
[ Technical Audit ]
Engineering Advantages
Flip, Don't Replace — Double the Installed Life
Symmetrical double-edge geometry gives two independent cutting edges per blade. When edge 1 dulls, unbolt, flip 180°, retorque — factory-sharp and back chipping in under two minutes. Halves blade-change downtime and doubles service life before regrinding.
Triple-Tempered Through-Hardened Core
Controlled triple-tempering eliminates residual stress and stabilises the martensitic microstructure at HRC 55–60 from surface to core. Every regrind cycle exposes steel of identical quality — no soft spots, no inconsistent edge life across the blade set.
Teflon Anti-Sap Coating
Pine, spruce, and eucalyptus resin adheres to blade faces and accelerates edge wear. Optional Teflon (PTFE) rake-face coating cuts sap adhesion by ~70%, extending clean-running intervals and reducing the frequency of mid-shift blade pulls.
[ System Inventory ]
Related Blade Categories
View All →[ Knowledge Base ]
Product FAQs & Buying Guidance
Technical FAQs
01How do I choose between T10, 9CrSi, and Cr12MoV?+−
T10 suits green softwood and general landscaping. Upgrade to 9CrSi for mixed hardwood/softwood — maple, birch, ash — where it delivers 40–60% longer edge life. Specify Cr12MoV for high-volume dry hardwood or lightly contaminated urban green waste.
02When should I flip the blade, and how many times can I regrind?+−
Flip when chipping efficiency drops — ragged chip faces, increased motor load, or visible edge rounding over 0.5 mm. After both edges are consumed, each edge can be reground 3–5 times on a standard surface grinder, yielding 6–10 total cutting edges per blade.
03Will the Teflon coating survive regrinding?+−
Yes — only the bevel face is ground during resharpening; the rake-face Teflon coating remains intact. It typically persists through 4–6 regrind cycles before recoating is beneficial.
04What bolt-hole pattern do I need for my chipper model?+−
Bandit 12″/15″: 2-hole. Bandit 18″/19″: 4-hole. Vermeer BC900/BC1200: 2-hole. BC1500/BC1800: 4-hole. Provide your model number or send your worn blade and we confirm the exact configuration. Custom patterns within 7 working days.
Why Choose Sureay
01Are you a trading company or a direct manufacturer?+−
Direct OEM manufacturer since 2008. When you buy from Sureay you communicate with the engineers who forge and grind your blades — no middleman, no markup.
02Do you offer bulk pricing for landscape contractors?+−
Yes. Orders of 50+ blades per shipment qualify for volume pricing. Annual supply agreements with scheduled quarterly deliveries are available — contact us with your annual consumption estimate.
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