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664

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Availability: In stock

Product Name Price Qty

Gyokucho 660 TPE Seiun Saku Ryoba 210mm

£34.50

Gyokucho 661 TPE Seiun Saku Ryoba 240mm

£41.00

Gyokucho 663 TPE Seiun Saku Ryoba 270mm

£46.50

Gyokucho 664 TPE Seiun Saku Ryoba 300mm

£52.50

Gyokucho TPE Seiun Saku Ryoba

0

Gyokucho razorsaws, the original replaceable blade Japanese saws, have long been renowned for their cutting efficiency and excellent durability. The latest generation of Gyokucho saws have blue handles made from TPE (thermoplatic elastomer) a remarkable material that is simultaneously hard and resilient yet feels velvety to the touch and affords a superb grip.

Seiunsaku are the standard ryoba for carpentry and joinery work, the angle between the centreline and the toothline is carefully calculated to give a rapid yet smooth cut and the heat treatment is optimised for springiness, ie the degree to which the blade can be distorted and still return to its original shape.

The blades of Gyokucho saws are treated using a process called electroless nickel plating, this has three functions. Firstly, it protects the blade against corrosion, secondly it provides a nice shiny mirror surface so you can gauge your cutting angles, and thirdly its low friction properties inhibit resins and sap from building up on the blade - anything that does manage to get stuck to them can easily be washed off with warm soapy water. The teeth are differentially impulse hardened, one by one, bringing the outer surfaces to RC68 or more whilst still leaving the 'root' of the tooth soft and therefore much less prone to fracture - not unlike tiny Japanese sword blades. They are equally happy working in softwoods or temperate hard woods and can, with care and a light touch, be used on exotic timbers too. 

  Model No. 660 661 663 664
  Blade Length 210mm 240mm 270mm 300mm
  Blade Depth 70 - 87mm 77 - 97mm  90 - 115mm   95 - 120mm 
  Overall Length 530mm 560mm 645mm 680mm
  Blade Thickness 0.45mm 0.5mm 0.6mm 0.7mm
  Pitch CC

1.5mm

16.9tpi

1.7mm

14.9tpi

2.5mm

10.2tpi

3mm

8.7tpi 

  Pitch Rip

 3.7-2.5mm  

 6.9-10.2tpi 

 3.8-2.4mm 

 6.7-10.6tpi 

 5.6-3.8mm 

4.5-6.7tpi 

 5.6-3.5mm 

4.5-7.3tpi 

  Set per Side 0.125mmm 0.125mm 0.125mm 0.125mm
  Max Depth

  Replacment Blade  

S605

S610

S615 

S616

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