Engineered with Cobalt HSS material, for maximum life in stainless steel. . Also cuts mild steel, sheet metal, copper, brass, aluminum, fiberglass, plastic, wood, laminates. Dual-Flute design cuts fast. Split Point tip eliminates walking and penetrates quickly with less force. Steam Oxide finish runs cooler and extends the life of the bit. Designed and manufactured in the USA

• Specifications
• Volume : 2.73 LB
• Length : 9.600 IN
• Country of Origin : CN
• Width : 5.900 IN
• Height : 2.200 IN
• Volume : 124.60800000000002 CI
• Application : Cut fast, accurate holes in stainless steel, mild steel, iron, copper, brass, aluminum, fiberglass and plastic sheet up to 3/16'' (4.8mm) thick
• Shank Size : 645-011: 3/8'' (9.5mm) 645-022: 7/16'' (11.1MM)
• Standard : Kit contents:645-7/8, 645-1-1/8, 645-1-3/8, 645-1-3/4, 645-2, 645-2-1/2, 645-011, 645-022, 2 hex keys
• Hole Size : 6 sizes: 7/8'', 1-1/8'', 1-3/8'', 1-3/4'', 2'', 2-1/2''
• Type : Quick Change Carbide Cutter Set
• Cutting Edge : Tungsten Carbide Teeth
• Pilot Drill : Cobalt High Speed Steel 645-001: Use with 645-011 Arbor, 645-002: Use with 645-022 Arbor
• Pilot Drill Size : 645-001: 1/4'' X 2.56'' Long, 645-002: 5/16'' X 2.72'' Long
• Maximum Cutting De : 3/16'' (4.8MM)