Precision Twist Drill R561.13/64 R56 1/2x22 Reduced Parallel Shank Drill

Description

Black oxide also helps to prevent buildup and welding of material on the cutting edge when working with iron and steel. Drilling, or hole making, is the most common metalworking operation in the world. The Precision Twist R56 Jobber-length, uncoated, general-purpose, round shank drill bit drills holes into a wide variety of metals and synthetic materials with performance with steel, stainless steel, cast iron, titanium, and nickel. Precision was founded in 1952 in Crystal Lake, Illinois. Dormer tools, was founded in 1913 in Sheffield, England, is known worldwide for innovative metalworking products. The flutes of the drill bit act a passageway for chip extraction from the hole and for coolant to enter the hole. It can drill to a depth up to four times the diameter of the drill size. Twist drill bits are the most common type of drill bit used. Combination black oxide and bright finish improves lubricity, resists corrosion, and will not chip or flake off. Reduced shanks are smaller than the drill diameter, so they can drill holes larger than the typical chuck capacity. The Precision Twist R56 Jobber-length, uncoated, general-purpose, round shank drill bit drills holes into a wide variety of metals and synthetic materials with best performance with steel, stainless steel, cast iron, titanium, and nickel. Twist drill bits can be used in hand operated drills, standalone drill presses or a machine tool called a lathe, to drill a hole.

Key Features

• Together, the Precision and Dormer brands represent a new, streamlined organization that provides a strong North American tool brand for high productivity Carbide and HSS drill and tap products.
• Black oxide also helps to prevent buildup and welding of material on the cutting edge when working with iron and steel.
• They are made to ANSI standards, which ensure that drill bits around the world, confirm to the same specifications.
• These are sometimes called Silver & Deming drills; they used to be made by Silver & Deming in the late 1800s, but nowadays, its come to mean any reduced shank twist drill bit.
• It can drill to a depth up to four times the diameter of the drill size.
• The Precision Twist R56 Jobber-length, uncoated, general-purpose, round shank drill bit drills holes into a wide variety of metals and synthetic materials with performance with steel, stainless steel, cast iron, titanium, and nickel.