Dormer A34525.0 Extra Length Drill - Morse Taper Shank, Steam Oxide Coating, High Speed Steel, 0.9843x22 Head Diameter

Description

The trunnion (the male portion drill shank) and the bore (the female portion the tool- holder) are both uniformly tapered. They can be used in hand-operated drills, standalone drill presses, or a lathe. Precision was founded in 1952 in Crystal Lake, IL. It can drill to a depth up to ten times the diameter of the drill size. The tang at the end of the taper is used for ejecting the drill bit from the spindle, with the aid of a drift pin. The A345 series has a type N flute form, with a regular helix (21 to 34 degrees) angle, and performs when drilling into magnetic soft steel or structural steel (case carburizing steel). The A345 series has a type N flute form, with a regular helix (21 to 34 degrees) angle, and performs best when drilling into magnetic soft steel or structural steel (case carburizing steel). The Dormer A345 extra-length, black oxide-coated, general-purpose Morse taper shank drill bit drills holes into a wide variety of metals and synthetic materials. The shank diameter is the same as the drill size. Spiral flutes act as a passageway for chip extraction from the hole and for coolant to enter the hole. Drilling, or hole making, is the most common metalworking operation in the world and twist drill bits are the most common type of drill bit. They are made to DIN 340 industry standards, which ensure that drill bits around the world conform to the same specifications. Dormer Tools, founded in 1913 in Sheffield, England, is known for innovative metalworking products.

Key Features

• They are made to DIN 340 industry standards, which ensure that drill bits around the world conform to the same specifications.
• Together, the Precision Twist and Dormer brands represent a strong tool brand for high-productivity carbide and high-speed steel drill and tap products.
• Black oxide helps to prevent buildup and welding of material on the drills cutting edge when working with iron and steel.
• The A345 series has a type N flute form, with a regular helix (21 to 34 degrees) angle, and performs when drilling into magnetic soft steel or structural steel (case carburizing steel).
• The extra length allows for more freedom in being able to drill a wider variety of circumstances.
• This system allows for torque to be transferred directly to the drill through the friction between the taper shank and the tool holder.