KEO 11800 Bell Double End Standard Combined Drill and Countersink, NO 18, 60 deg, 118 deg, HSS, Uncoated
KEO Combined Drill and Countersink, Bell, Double End, Standard, NO 18, 1/4 in Point Dia, 3/4 in Body Dia, 3-1/2 in Overall Length, 2 Flutes, Spiral Flute, 3/4 in Shank, Round Shank, 118 deg Point, 60 deg Included Angle, Right Hand Cutting, HSS Cutting Edge, HSS, Uncoated, Applicable Materials: Steel and Other Ferrous Materials
- 1/4 in L point
- 0.6 in Dia bell
- Drill and chamfer in one pass
- Bell at bottom of chamfer provides a "seat" to prevent deeper penetration
- The additional small 120 deg chamfer on the bell type protects the edges of the 60 deg center hole
- HSS is the most popular general purpose tool steel
- For producing center holes in components or work pieces with the extra length allowing access to difficult-to-reach areas