Bargain TTC PRODUCTION 07-029-082 1/4″-20 3/8″ Cobalt Combined Tap Drill & Countersink Tool

Machine Shop Solutions

Problem: Cutting operations typically require the use of different tools throughout the job. Solution: A combination drill and countersink also incorporates self-centering functionality for convenient dual cutting performance.

Simplify Machine Time & Tooling

Drill Properly-Sized Mounting Holes For Flat-Head Cap Screws

Why waste time and energy doing the same task twice? This self-centering tool features dual cutting diameters so you can both tap drill the hole and countersink it in one single pass. Ideal for use in both manual and automatic drilling machines, it bores through a wide range of materials including ferrous and non-ferrous metals as well as non-metal objects. Provide long tool life with a bright finish so you really get your money’s worth.

Benefits

• Perfect for NC conventional machining and in manual or automatic drilling machines.
• Works a variety of metal and non-metal materials.
• Standard two-flute design and spiral, helical flutes.
• Straight shanks correspond to normal stub drill diameter.

Applications

• For drilling mounting holes for flat-head cap screws.
• Produce holes properly sized for each size screw.
• Dual cutting diameters permit both the tap drill hole and countersink to be machined in one operation.
• For a range of ferrous, non-ferrous metals & non-metallic materials.
• For NC conventional machining and in both manual or automatic drilling machines.
• Cuts both tap drill size hole and countersink diameters in one pass.

Features

• Right hand (clockwise rotation) cutting direction.
• Standard two flute design.
• Standard spiral, helical flutes.
• Straight shanks correspond to normal stub drill diameters.

Technical Data

• Available for screw lengths from 1/4″ to 1″, screw sizes #4-40 to 1/2″-20.
• Ground from the solid.
• Cylindrically ground.
• Bright finish.