13 HOLE SIZES: 1/8" (3.175mm), 5/32"(3.97mm), 3/16" (4.76mm), 7/32" (5.56mm), 1/4" (6.35mm), 9/32" (7.14mm), 5/16" (7.94mm), 11/32" (0.79mm), 3/8" (9.52mm), 13/32" (10.39mm), 7/16" (11.11mm), 15/32" (11.91mm), 1/2" (12.7mm) with 1/32" (0.79mm) increments. The size marks are stamped next to each step for easy identification.
DOUBLE SPIRAL FLUTES: For more efficient swarf clearance; 1/4 inch hex shank with quick release slot to eliminate slipping; Self-starting for clean holes in thin materials.
TITANIUM COATED: Increases durability and reduces friction. Made of M2 HSS to cut most materials.
US-BASED CUSTOMER SERVICE: Available by chat, email, phone, or visit us at our customer service center in La Crosse, WI.
