| Surface Finish I |
Yellow Nitride |
| Hardness - Cutting Edge(HRC) |
59-63 |
| Type |
Fully ground; Double straight flutes and a point angle with a double relief angle; tri-flat shank |
| Size - Range In Sets(mm) |
3/16"–1/2" (6 steps); 1/8"–1/2" (13 steps); 1/4"–3/4" (9 steps); 3/16"–7/8" (12 steps); 1/4"–1-3/8" (10 steps) |
| Material |
HSS 4241 Steel |
| Set Content |
3/16"–1/2" (6 steps); 1/8"–1/2" (13 steps); 1/4"–3/4" (9 steps); 3/16"–7/8" (12 steps); 1/4"–1-3/8" (10 steps). 1-Piece Center Punch |