Alvord Polk 400 High-Speed Steel Counterbore, Built-In Pilot, Uncoated Finish, 5/16" Size is ranked 5th in counterbores based on our comprehensive analysis.
Reviewed by more than 8 consumers, more than 50% of the reviews about this Alvord Polk counterbore had positive sentiment, meaning that these customers would probably advise purchasing this product when asked about a recommended counterbore.
$15.35 (as of 16/11/2018 17:25 PST details )Features:
- Used to enlarge existing holes
- One piece construction including the pilot
- Round shank tools are cylindrical and should be held in a good quality tool holder in order to prevent the counterbore from slipping in high torque applications
- High speed steel is a common general purpose steel for cutting tools, is compatible with a variety of materials, and tends to be lower in price
- Uncoated bright tools have no finish or coating. They are a good choice for general purpose applications.