Drillco 1-1/4 Center Reamer 90 Degree 3 Flute (37E216C)
Drillco 37E216C 1-1/4 Center Reamer 90 Degree 3 Flute is designed for precision countersinking of holes to fit flathead screws and rivets in portable drilling applications. Featuring a 3-flute design with a 90-degree angle, this center reamer ensures clean, accurate cuts. Made from premium grade high-speed steel (HSS) with a bright finish, it offers enhanced durability and smooth operation. Adjustable screws allow for fine microadjustments to fit slightly different diameter sizes, and the outer diameter is compatible with Drillco die stocks for convenient use.
Three-flute design for efficient and precise countersinking
90-degree angle ideal for flathead screws and rivets
Constructed from premium grade HSS with bright finish for durability
Adjustable screws for microadjustment of diameter
Outer diameter designed to fit Drillco die stocks
Ensures accurate countersinking for secure fastener seating
Microadjustments enhance fit and versatility
Durable construction extends tool life
Smooth cutting reduces chatter and improves finish quality
Technical Specifications:
Angle: 90 degrees
Material: Premium grade high-speed steel (HSS)
Application: Countersinking holes for flathead screws and rivets
Product identification
- Brand: Drillco
- Model / MPN: 37E216C





