herringbone shaper cutter
1Herringbone gear — A herringbone gear, also known as a double helical gear,[1] is a special type of gear which is a side to side (not face to face) combination of two helical gears of opposite hands.[2] Un …
1Herringbone gear — A herringbone gear, also known as a double helical gear,[1] is a special type of gear which is a side to side (not face to face) combination of two helical gears of opposite hands.[2] Un …