How to Read a Saw Blade - Part III

A Practical Guide to Circular Saw Blade Design

Today, we’re moving into the final part of our “Essential Knowledge Before Choosing a Saw Blade” series. In this section, we introduce several advanced design features commonly found on sawmill blades, the elements that directly influence stability, durability, and cutting performance.

We hope these chapters help you better understand how saw blades are engineered and what to look for when selecting the right blade for your application.

Additional Blade Features

Mounting Holes / Keyway

These features provide machine-specific positioning, locking, and stability.

• Pin holes: Small holes around the bore used for secure fastening
• Mounting holes: Countersunk holes for bolts or screws that improve clamping stability
• Keyway: A square or shaped slot inside the bore that prevents slippage under high torque

How we make it better:
All positioning holes and keyways are laser-cut with high precision to ensure accurate alignment and repeatability.

How to Read Position Hole Information
．2/7/42 → 2 pin holes, Ø7 mm, on a 42 mm pitch circle
．12/16/310 (M16) → 12 countersunk holes, Ø16 mm, on a 310 mm circle, designed for M16 screws
．NL01 → Combination pattern: 2/7/42 + 2/9/46.4 + 2/10/60

Convex Plate

Convex plate design adds localized thickness for higher rigidity without increasing kerf width—ideal for strobe saw blades handling heavy cutting loads.

How we make it better:
GOLDEN EAGLE uses fully automated precision grinding systems to ensure every plate thickness meets the customer’s exact specifications.

Strobes (rakers)

Strobes (rakers) help clear chips fast and reduce friction when cutting wet or green lumber, preventing binding and allowing smoother, more efficient ripping in sawmill operations.

How we make it better:
Made from high-quality tungsten carbide and securely brazed to the plate, our tips deliver exceptional durability and long-lasting performance.

Anti-Kickback Shoulder

 

Anti-kickback shoulders restrict each tooth’s cutting depth, preventing overfeeding and reducing the risk of dangerous kickback during operation。