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


[S4-28] 234FK4 Tsumura Light Type 28″[71cm] 3/8 .063 91 drive links

$207.55

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Stock 58
Part Number 234FK4
Weight 1210g
Part Number 234FK4 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.

Additional information

Weight 1210 g

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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.

Click here for more info for shipping costs