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Fits the following chainsaws:

STIHL

029, MS290, 034, MS340, MS341, 036, MS360, MS361, MS362, 038, MS380, MS381, 039, MS390, MS391, 041, 044, MS440, MS441, 045, MS450, MS451, 046, MS460, MS461, 048, 065, MS650, MS651, 064, MS640, MS641, 066, MS660, MS661, MS500i

Cannon bar code (starts) S1
GB bar code (starts) SN
Oregon bar code (ends) D025
Stihl bar code (starts) 3003
Sugihara bar code (starts) ST2


[S4-20] 208FK4 Tsumura Light Type 20″[50cm] 3/8 .063 72 drive links

$155.73

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Stock 76
Part Number 208FK4 Part Number 208FK4 Categories: ,
Durability
Stiffness
Cut speed

Tsumura chainsaw bars are manufactured and assembled using advanced technology machines and salt heat treatment to provide high standards of durability, strength, finish and accuracy. They incorporate uniform groove gauge tolerances for precise chain fit and improved cutting stability over the bar nose.


Guide bars require both of contrasting characteristics of toughness and hardness. Tsumura has adopted salt heat treatment that draws both of the contrasting characteristics. The salt bath heat treatment is the best way to achieve ideal steel which has toughness and hardness. Normally, Steel is heated over 800°C immediately, but the salt bath heat treatment provides a gradual steady heat method. Then, a good hardened steel structure, which is stable with less distortion, can be obtained.

There are two types of solid guide bar. One has a replaceable sprocket nose and the other has a hard nose. Solid guide bars are manufactured from one plate of super hard alloyed steel SKS-51.

Light Type bars have dove-tailed notches that are staggered and cut into the bar surface and packed with hard resin which reduces the weight of the guide bar by about 20%. This improves cutting efficiency and stability and also reduces user fatigue.

Customer Reviews

Based on 4 reviews
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(4)
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s
simon silcox
Bars

Very good service will use again no problem

T
Thomas Adrian Fishburn
208FK4

Well impressed with this solid pro bar. Even prefer it to the GB bars. Harder nose sprocket and tough rails. I Will be looking to get one for my bigger saws at a later date

S
Sam Heemsbergen
Very smart

Really nice looking bar, prefer this to the sugahara ones. Light and has had some beatings with big wood and not bent yet. Used for my 271 conversion to 3/8 and it rips with the square ground chain.

P
Piers Hansen

208FK4 Tsumura Light Type 20"[50cm] 3/8 .063 72 drive links

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Please email or call us +44 (0)1590 681259 for sprockets for this chainsaw
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Orders for United States of America must be a minimum of $180.

For all UK orders from Monday 25th Sept there will be no longer be a minimum order but a flat rate of £4.95+vat will be charged to all orders.

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