HSS Countersink with Single Flute ISO3294
1. Ideal for chatter-free and burr-free work on sheet metal, nonferrous metal, cast iron, light metals; 2. It's designed for fast shearing and chatterless cuts;
3. It's with an exceptionally fine finish and can be run at maximum speed;
4. The cutting edges quickly center in hole and produce a smaller chip load for chatterless machining;
5. There are single flute, 3 flute, 5 flute, 6 flute available for your choice.
6.Standard:DIN335C
7.HSS, with cylindrical shank
8.CBN-deep-ground;Countersinks are deep-ground in the CBN Flutes. The 90° cone corresponds with the shape of the counter-sink screw or bolt head. Also available in 60°, 75°, and 120° versions. Radial back-off clearance makes it possible to work without rattling, and also removes chipos and swarf perfectly. | Size | Shank | Overall Length |
| 3/16" | 3/16" | 1-1/2" |
| 1/4" | 1/4" | 1-1/2" |
| 5/16" | 1/4" | 1-5/8" |
| 3/8" | 1/4" | 1-3/4" |
| 1/2" | 1/4" | 2" |
| 5/8" | 3/8" | 2-1/4" |
| 3/4" | 1/2" | 2-5/8" |
| 7/8" | 1/2" | 2-3/4" |
| 1" | 1/2" | 2-3/4" |
| 1-1/4" | 3/4" | 3" |
| 1-1/2" | 3/4" | 3-1/4" |
| 2" | 3/4" | 3-1/2" |