Cle-Line C22761

The CLE-LINE C22761 is a reduced shank drill bit set intended for use in drilling applications with the included materials/grades consistent with high speed steel drill bits. The set includes eight fractional inch drill bits ranging from 9/16 inch to 1 inch in size, suitable for use with drills featuring a 1/2 inch shank diameter. The bits are constructed from high speed steel with a black oxide finish. Each bit features a straight shank with three flats for chuck engagement. The set is housed in a metal index case. Key Features: - Includes 8 drill bits sized from 9/16 in to 1 in by 16ths - Constructed from high speed steel (HSS) - Black oxide finish - Straight shank with three flats, 1/2 in diameter - Two-flute spiral design with a 30° to 34° helix angle - Conventional 118° point angle for drilling - Overall length of 6 in with flute length of 3 1/8 in - Metal index case included - Measurement system: fractional inch - Primary material application: drilling applications consistent with high speed steel drill bits (material compatibility varies by workpiece and drilling conditions)