BENCHMARK Bi-Metal Hole Saw Set - 17 Piece

Cut precise holes in wood, plastic, aluminum, brass, steel alloys and even stainless steel with this bi-metal hole saw set. The set is constructed with alloy steel welded to M42 (with 8% Cobalt) high speed steel cutting edges for tougher, longer lasting performance. Features include variable teeth for less vibration, a durable enamel finish that won’t rust or corrode and a heavy-duty solid backing plate that won't flex to ensure accurate holes every time.

• Alloy steel body is electron welded to M42 steel (with 8% cobalt) cutting edge for tougher, longer lasting teeth
• Variable teeth design for less vibration
• Slotted sides for fast plug removal
• Durable enamel finish won't rust or corrode
• Heavy duty solid backing plate won't flex for accurate holes every time
• Max RPM: Mild Steel - 460, Stainless Steel - 230, Cast Iron - 300, Brass - 600, and Aluminum - 690 INCLUDES: - M42 Cobalt Bi Metal Hole Saws: 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/8", and 2-1/2"
• Hex Shank Mandrels: Small - 9/16" to 1-3/16", Large - 1-1/4" to 6"
• 1/4" Pilot Drill Bits: 4