Tsumura Light Weight Chainsaw Bar SN, D025, Stihl
Tsumura Light Weight Chainsaw Bar SN, D025, Stihl
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Chainsaw Bar | Tsumura Light Weight | Professional Performance
Premium Japanese-crafted guide bar designed for maximum manoeuvrability and reduced operator fatigue. The Tsumura Light Weight bar uses a unique weight-reduction structure that makes it approximately 20% lighter than standard solid bars—without sacrificing durability or precision.
Why Choose Tsumura Light Weight
- Revolutionary weight-reduction design: laser-cut dove-tailed notches filled with hard resin reduce weight by ~20% while maintaining strength.
- Premium SKS-51 steel: one-piece solid high-carbon steel for long service life.
- Salt-bath heat treatment: balanced hardness and toughness for superior wear resistance.
- Precision laser cutting: consistent rails for smooth chain tracking.
- Replaceable sprocket nose with grease port: serviceable tip extends bar life.
- Optimised oiling: promotes proper lubrication to reduce heat and friction.
- Enhanced balance & control: lighter bar improves handling in overhead and technical cuts.
Best For
- Professional arborist & climbing work
- Technical dismantling and precision felling
- Long-duration cutting where fatigue reduction matters
Technical Specifications
- Pitch: 3/8" or .404" (select from dropdown)
- Gauge: .063" (1.6 mm)
- Mount: SN, D025 – for 12 mm stud Stihl chainsaws
- Construction: SKS-51 steel, salt-bath heat treated
- Weight Reduction: ~20% vs standard bars
- Nose: Replaceable sprocket with grease point
Available Sizes, Drive Link Counts, Gauge & Part Numbers
Drive link counts are typical references—please verify your saw’s sprocket pitch and existing chain before ordering.
| Length | Pitch | Drive Links | Gauge | Part Number |
|---|---|---|---|---|
| 18" | 3/8" | 66 | .063" (1.6 mm) | 207FK4 |
| 20" | 3/8" | 72 | .063" (1.6 mm) | 208FK4 |
| 20" | .404" | 65 | .063" (1.6 mm) | 208PK5 |
| 24" | 3/8" | 84 | .063" (1.6 mm) | 210FK4 |
| 25" | .404" | 78 | .063" (1.6 mm) | 233PK5 |
| 28" | 3/8" | 91 | .063" (1.6 mm) | 234FK4 |
| 30" | 3/8" | 100 | .063" (1.6 mm) | 235FK4 |
| 36" | 3/8" | 114 | .063" (1.6 mm) | 238FK4 |
Compatibility (Stihl)
Fits a wide range of Stihl models, including: 030, 031, 032, 034, 036, 038, 039, 040, 041, 042, 044, 045, 046, 048, 500i, 056, 064, 066, E15, E20, E220C, FARMBOSS, MS310, MS311, MS360, MS361, MS362C, MS380, MS381, MS390, MS391, MS440, MS460, MS461, MS462C, MS500i, MS650, MS660, MS661.
Invest in Professional Quality
When productivity, control and reduced fatigue matter, professionals choose Tsumura Light Weight. Get the balance of durability and low weight trusted by arborists and technical cutters worldwide.
Country of Manufacture: Japan
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