Cleveland C91698 183-CSS-9 .178x.286x1/4 Step Drill Counterbore
Regular price
$24.70
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This new Cleveland C91698 (List 183, designation 183-CSS-9) is a two-diameter spiral-flute step drill that drills a 0.178 in diameter hole and counterbores it to 0.286 in diameter in a single pass. It has a 1/4 in diameter shank for collet or chuck holding. The bright, uncoated finish and the spiral flute design are visible on the tool. It was made in the USA by Cleveland, a Greenfield Industries brand, and is sold as a single piece. The 0.178/0.286 in step sizes suit drilling and counterbore operations for a socket head cap screw head pocket, but the cap screw size is not confirmed by the markings.
Product Specifications
| Brand | Cleveland |
| Manufacturer Part Number | C91698 |
| Model | 183-CSS-9 |
| Series/List | List 183 |
| Drill Diameter | 0.178 in |
| Counterbore Diameter | 0.286 in |
| Shank Diameter | 1/4 in |
| Number of Steps | 2 (drill and counterbore) |
| Flute Type | Spiral |
| Operation | Drilling, Counterboring |
| Coating | Uncoated |
| Material | High Speed Steel |
| Country of Origin | USA |
| Cutting Direction | Right Hand |