Drill America DWDDL 18 in. High Speed Steel Extra-Long Twist Drill Bit Set, 5-Piece
$143.12
Engineered for deep reach, this Drill America DWDDL series set is designed for general-purpose drilling in iron and steel families. The high-speed steel construction with black oxide treatment provides excellent wear resistance and enhanced lubricity for efficient cutting.
Drill America DWDDL 18 in. High Speed Steel Extra-Long Twist Drill Bit Set, 5-Piece
Description
Engineered for deep reach, this Drill America DWDDL series set is designed for general-purpose drilling in iron and steel families. The high-speed steel construction with black oxide treatment provides excellent wear resistance and enhanced lubricity for efficient cutting.
Comprehensive 5-piece set includes 1/4 in., 5/16 in., 3/8 in., 7/17 in., and 1/2 in. diameters.
Extra-long 18 in. overall length with 13 in. flute length for specialized deep-reach applications.
High-speed steel (HSS) construction offers a superior balance of hardness and toughness for general-purpose use.
Black oxide treatment increases lubricity and helps retain coolant near the cutting edge for improved performance.
Standard 118° conventional point tip designed for versatility across iron and steel materials.
Right-hand spiral flutes efficiently evacuate chips up and out of the cut to prevent clogging.
Straight round shanks ensure compatibility with a wide variety of tool holding systems.
Features a 5 in. shank length for stable operation.
