The 144-00018 is a 9/32 HS counterbore with a straight shank, supplied for interchangeable-pilot counterbore applications. It is listed in the HS Counterbores (500) range of imported H.S.S. counterbore tools.
This type of counterbore is typically used to produce a cylindrical recess for seating a fastener head, with an interchangeable pilot used to guide the operation.
- Model: 144-00018
- Size: 9/32
- Tool type: HS counterbore
- Shank: Straight shank
- Category: Interchangeable pilot type counterbore
- Material designation: H.S.S.
