- Applicable Materials: Steel and Other Ferrous Materials
- Body Diameter: 3/4in
- Country of Origin: US
- Drill Size - Decimal Inch: 0.3125in
- Flute Type: Spiral
- Manufacturer Name: ARCH Cutting Tools
- Number of Flutes: 2
- Point Angle: 118°
- Point Diameter: #8
- Shank Type: Round
- Type: Aircraft Double End Plain Standard
- Drill Size - Fraction: 5/16in
- Included Angle: 90°
- Shank Size: 3/4in
- Overall Length: 3-1/2in
- Material: HSS
- Hand Direction: Right Hand
- Surface Treatment: Bright
- Application
- Item Features
For producing center holes in components or workpieces which require machining between centers
- 5/16 in L point
- Drill and chamfer in one pass
- HSS is the most popular general purpose tool steel
- Extra length permits access to hard-to-reach applications
- HSS provides good wear resistance
- 90 deg chamfer is frequently used to seat the underside of metric fasteners
- For producing center holes in components or work pieces with the extra length allowing access to difficult-to-reach areas