Bosch 4-40 High-Carbon Steel Machine Screw Plug Tap

Features:

• Plug taps – engineered for cutting right-hand internal threads
• Heat-treated carbon steel – provides superior durability and speed
• Rolled threads – deliver more accuracy and are cleaner than machined threads
• Rust and tarnish resistant design – provides greater durability and accuracy
• Laser-etched marking – ensures size identification and won't wear off
• Precision machining – designed to ensure that bolts fit tightly and anchor securely