GYOKUCHO RAZORSAW Blue Hard Double-Edged Ryoba Saw 210 mm No. 649
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SUMMARY
Japanese Craftsmanship. A Shorter Ryoba Blade. A Saw You Can Keep.
Choose a Japanese-made Ryoba saw with a 210 mm blade for cuts along and across the wood grain. With roots in Miki, Japan, a town with a long metalworking tradition, the GYOKUCHO RAZORSAW Blue Hard 649 combines a thin carbon tool steel blade with impact hardening and a rust-resistant surface treatment. Its narrow-blade design and adjustable blade angle suit woodworking in dry timber. When the cutting edge needs renewing, fit an S649 replacement blade and keep using the same handle.
No. 649 has a 210 mm blade, a 1.5 mm tooth pitch, and a complete-saw weight of 207 g. It is the shortest and lightest of the four Blue Hard models compared below.
Shop the matching S649 replacement blade
VIDEO
FEATURES
Shorter 210 mm Blade
Choose No. 649 when you prefer a shorter Blue Hard blade. Its blade is 210 mm long and 0.45 mm thick, with a 1.5 mm crosscut tooth pitch.
Impact Hardening and Surface Treatment
The SK-5 carbon tool steel blade features impact hardening, a rust-resistant special surface treatment, and laser marking.
Ryoba Saw — Double-Edged for Ripcuts and Crosscuts
No. 649 is a Japanese Ryoba saw, with ripcut teeth on one edge and crosscut teeth on the other. Choose the edge to suit the grain direction: ripcut along the grain or crosscut across it, all with one saw.
Cut Along the Grain
Use the ripcut edge for cuts along the wood grain, then turn the saw to use the crosscut edge for cuts across it.
Narrow Blade, Balanced Handling
The Blue Hard is the narrow-blade type in the Seiun-saku series, combining a lightweight design with balanced handling for woodworking. The complete No. 649 saw weighs 207 g.
Adjustable Blade Angle
Adjust the blade angle to suit the work when cutting a range of dry woods.
Complete Saw with Handle
This No. 649 listing includes the blade and handle. Choose S649 when purchasing a replacement blade.
Replaceable Blade
Keep the saw and fit a matching S649 blade when a fresh cutting edge is needed. Select the replacement by model number, not blade length alone.
APPLICATIONS & MATERIALS
Applications: Woodworking, wood crafts, bamboo crafts, carpentry, furniture making, and carving.
Suitable materials: Particleboard, OSB, MDF, general timber, bamboo, laminated wood, and composite wood materials. Designed for dry wood.
SPECIFICATIONS
| Model | 649 — complete saw |
|---|---|
| Overall length | 550 mm |
| Blade length | 210 mm |
| Blade thickness | 0.45 mm |
| Crosscut tooth pitch | 1.5 mm |
| Ripcut tooth pitch | 3.7–2.5 mm |
| Approx. kerf width | 0.72 mm |
| Saw weight | 207 g |
| Blade material | Carbon tool steel (SK-5) |
| Treatments | Impact hardening, rust-resistant special surface treatment, and laser marking |
| Replacement blade | S649 |
| JAN / barcode | 4903524064915 |
| Country of origin: | Japan |
COMPARE BLUE HARD SAWS & REPLACEMENT BLADES
Compare all four models below in two groups. You are viewing the No. 649 complete saw. S-prefixed models are replacement blades sold separately. Blade length, thickness, tooth pitch, and approximate kerf width apply to both the saw and its corresponding replacement blade. Saw weights are for the complete saws, not the replacement blades.
240 mm Models — Standard or Fine Teeth?
| Spec. |
650 Standard |
651 Fine Teeth |
|---|---|---|
| Blade length (mm) | 240 | 240 |
| Blade thickness (mm) | 0.5 | 0.45 |
| Tooth pitch (mm) | 1.7 | 1.3 |
| Approx. kerf (mm) | 0.83 | 0.73 |
| Saw weight (g) | 217 | 215 |
| Replacement blade | S650 | S651 |
| Country of origin: | Japan | Japan |
Other Blade Lengths — 210 mm / 270 mm
| Spec. | 649 Current product |
655 |
|---|---|---|
| Blade length (mm) | 210 | 270 |
| Blade thickness (mm) | 0.45 | 0.6 |
| Tooth pitch (mm) | 1.5 | 2.5 |
| Approx. kerf (mm) | 0.72 | 0.94 |
| Saw weight (g) | 207 | 271 |
| Replacement blade | S649 | S655 |
| Country of origin: | Japan | Japan |
ABOUT GYOKUCHO RAZORSAW
GYOKUCHO RAZORSAW brings together Japanese saw-making expertise and practical replaceable-blade design. Its roots lie in Miki, Hyogo, a town with a long metalworking tradition, where saw craftsman Masaaki Tomosada established Razorsaw Manufacturing in 1969.
The brand places quality at the heart of its work, carefully producing each blade under strict quality control. Its in-house-developed impact-hardening equipment treats blades individually to create hard, durable cutting teeth while retaining the flexibility needed in the blade. For users, replaceable blades mean a fresh cutting edge without replacing the complete saw.
Browse the GYOKUCHO RAZORSAW Collection to explore more Japanese saws and matching replacement blades.