Bosch BBT516F18 5/16 In. - 18 High-Carbon Steel Fractional Bottoming Tap

FEATURES: • Bottoming taps – engineered for cutting right-hand internal threads; commonly used in through holes and with materials where a guide is necessary • 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 • Precise flute design – for fast and easy chip clearance SPECIFICATIONS: • Material: High Carbon Steel Bosch Bottoming Taps are ideal for cutting right-hand internal threads. They have 1-1/2 threads chamfered for tapping to the bottom of a hole. They have chamfered threads at the tip that are enough to start the hole and taps all the way to the bottom. Made from heat-treated carbon steel, they are rust- and tarnish-resistant tools that work equally well in plastic drilling applications. The rolled threads are more accurate and cleaner than machined threads. They are tooled to the most exacting specifications to ensure that bolts anchor securely. Laser-etched marking ensures size identification and won't wear off. They feature a precise flute design to ensure fast and easy chip clearance.