Bi-Metal Hole Saw. Ideal for work where high performance & accuracy are needed. Saws have knockout holes for easy core removal.

Made in USA
Bi-Metal Construction
M3 Cutting Edge
Positive Rake
5 Variable Pitch. Rc. 63-65
Diameter: 4" (101.6MM)
Pipe Tap Size: 3 1/2" (89MM)
Pipe Ent. Size: 3" (76MM)
Cutting Depth: 1 15/16"
Cuts through 2" x 4"s
Red Finish
Used On: Wood, Plastic, Machinable Metal, Nail Embedded Wood, Plywood, Pipes, and Light Gauge Stainless Steel.
Use Arbors: ARB-3, ARB-4, or ARB-5 with (5/8"-11 Thread)