The RIDGID Bi-Metal hole saws have become more cost effective, while delivering maximum cutting performance.They are made of premium M42 High Speed Steel Cutting edge and have Tooth Set Design which double the life of the old hole saws.RIDGID Variable Pitch Hole Saws are ideal for wood, plastic, machinable metals, stainless steel alloys, & nail-embedded wood cutting. They are now made of premium M42 High Speed Steel Cutting edge and have Patent Pending Tooth Set Design which double the life of the old hole saws.

Features

• Premium M42 High Speed Steel Cutting Edge.
• Tooth Set Design optimized to remove material faster.
• Enhanced Product Life – 2 x’s the life of the old hole saws.
• 1-15/16” (49mm) Cutting Depth.
• Side Slot for Increased Leverage for Fast and Easy Slug Removal.
• Durable .050” side wall (prevents collapsing).
• Cap reduces run out and vibration.
• External coating reduces side wall friction for efficient cutting.

Note: Use RIDGID® Thread Cutting Oil on all metal except cast iron.