Product Overview
3 X 4,DRILL & COUNTRSINK - 3500
When metal parts are machined on centers, as in turning or cylindrical grinding, it is always necessary to drill and countersink the center holes to serve as seats or bearings in the machine centers. Long Series for additional reach.
Features
- Made from general purpose HSS
- Plain type with single 60° chamfer
- Bright finish for added lubricity
- Double ended for twice the life
- Long series where extra reach is required
Applications
- For drilling a center hole when mounting a part in a machining center
Specifications
| Drill Size | 7/64" |
| Drill Size Equivalent | #3 |
| Finish | Bright |
| Flute Design | Spiral Flute |
| Flute Direction | Right hand |
| Flute Length | N/A |
| Flute Quantity | 2 |
| Material Madeof | High Speed Steel |
| Overall Length | 4" |
| Point Angle | 60° Point |
| Point Type | Center Drill Point |
| Sets | No |
| Shank Size | 1/4" |
| Shank Type | Straight Shank |
| System Of Measurement | Number |
DRILLCO > Tooling > Drill Bits > Comb
