Screw Machine Length (Stubby)
Spiral Flute Design
This type of shank is recommended for use with lathes and milling machines
1/4" to 1-3/8" Spiral Flute Step Drill Bit (10 Steps)
Drill Hog USA 29 Pc Cobalt M42 Drill Bit Index Set
26 Pc Letter Drill Bit Set A-Z Bits NIOBIUM Lifetime Warranty DrillHog USA MADE Screw Machine Length (Stubby)Drill Hog 26 Pc COBALT M42 Letter Drill Bit Set USA Includes: 26 Letter Sizes A to Z Sizes: A (0. 234), B (. 0238), C (0. 243), D (0. 247), E (0. 250), F (0. 257), G (0. 260), H (0. 266), I (0. 271), J (0. 275), K (0. 281), L (0. 289), M (0. 295), N (. 0301), O (0. 313), P (0. 321), Q (0. 332), R (0. 339), S (0. 347), T (0. 356), U (0. 367), V (0. 382), W (0. 388), X (0. 398), Y (0. 403), Z (0. 412) Specifications: NIOBIUM Nb41 Steel Split Point