Chicago Latrobe 52581 GT18 High Speed Steel Jobber Length Drill Bit and Spiral Point Tap Set with Metal Case, Uncoated (Bright) Finish, 18 piece, Wire Size, Letter, Inch, 6 32 to 1/2" 13 Sizes

Set contains 9 jobber length drill bits, including wire gauge sizes #36, #29, #25, #21,and #7; letter sizes F and U; and inch sizes 5/16" and 27/64" Set contains 9 spiral point taps, including thread sizes 6 32 UNC, 8 32 UNC, 10 24 UNC, 10 32 UNF, 1/4" 20 UNC, 5/16" 18 UNC, 3/8" 16 UNC, 7/16" 14 UNC, and 1/2" 13 UNC High speed steel (HSS) provides hardness for wear resistance Uncoated (bright) finish provides an untreated surface 118 degree conventional point on the drill bit for a range of drilling applications.Made in the USA