SIZE | 1/4″ |
NO. OF FLUTES | 4 |
LENGTH OF CUT | 5/8″ |
SHANK DIAMETER | 3/8″ |
TOOL MATERIAL | High Speed Steel |
FINISH COATING | Bright Finish |
CENTER CUTTING | No |
SINGLE OR DOUBLE END | Double |
OVERALL LENGTH | 3-3/8″ |
CORNER RADIUS | 0 |
CUTTING DIRECTION | Right Hand |
FLUTE SHAPE | Spiral Flute |
FLUTE LENGTH | 5/8″ |
HARDNESS | 58 to 60 RC |
1/4″ Double End Mill (4-Flute)
1/4″ mill diameter, 5/8″ cut, 3-3/8″ length
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Lathe tools—often referred to as tool bits—are the primary cutting tools used for turning and facing operations on a lathe. The most common type is made from high-speed steel (HSS), which is suitable for machining a wide range of materials, including wood, plastic, aluminum, brass, and steel. HSS tool blanks are relatively inexpensive and can maintain their hardness at temperatures up to 1000°F (588°C), making proper control of depth of cut, cutting speed, and feed rate essential.
A major advantage of HSS tools is how easily they can be sharpened. They can be shaped and resharpened using a standard aluminum oxide grinding wheel and, once sharpened, will hold their edge for a long time.
NOTE: A lathe tool is named for the direction the chip exits the tool. A right-hand tool has its cutting edge on the left, causing the chip to peel off to the right.


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