![HANNIBAL CARBIDE TOOL](https://dy8j5n5de0wyg.cloudfront.net/userfiles/brand_logo_images/hannibal carbide_150x150.jpg)
#510 20.5MM CARBIDE-TIPPED COUNTERBORE
HCT510205
MFG #: 510205
$147.65
/ EA
- Flute Type: Right Spiral
- Overall Length: 5-3/8 in
- Shank Diameter: 5/8 in
- Series: 510M
- Type: Material Specific Straight Shank
- Bore Diameter: 20.5 mm
- Pilot Shank Diameter Compatibility: 1/4 in
- Number of Flutes: 3
- Material: Carbide Tip/Alloy Steel Body
- Item Features
- The counterbore is used to enlarge a preformed hole when a flat bottom is required or to spot face when a machine finish is required
- The counterbore is an end cutting tool which may utilize a pilot to align the enlarged hole being machined with the preformed hole
- Tool geometry and carbide grade appropriate for material being machined
- Carbide tips brazed to tough hardened alloy steel body
- Precision ground cutting edges
- Steel cutting counterbores have secondary end relief on carbide for increased cutting edge strength
- The 3-flute counterbore tends to reduce chatter and improves finish