15% Discount: Alvord Polk 655-H High-Speed Steel Construction Reamer, Left Hand Spiral Flute, Taper Shank, Uncoated Finish, Size: 1/2

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Description

The Alvord Polk 655-H left hand spiral flute construction reamer is a taper shank tool made of high-speed steel with no finish or coating, and is most commonly chosen for reaming interrupted cuts in structural steel. Construction reamers are tapered to allow the reamer to enter overlapping and misaligned holes where extremely precise tolerances are not necessary, and have a stop collar for safety and depth control.

Left-hand spiral reamers are useful for interrupted cuts and in through holes. Spiral reamers prevent whole flute contact with the leading edge in an interrupted cut, as in a keyway. This prevents damage to the interruption and reamer flute. Left-hand spiral style tools also push chips ahead of the tip of the tool, instead of pulling chips out of a hole. Left-hand spiral reamers are commonly used in through holes, since pushing chips into the hole can cause clogging, which may damage the tool. High-speed steel is a general purpose steel for cutting tools and is compatible with many metalworking materials. It is often lower in price than other cutting tool materials. Taper shank tools can be self-holding or self-releasing based on the degree of taper – small tapers are self-holding within the toolholder, while large tapers are self-releasing and will easily release from the toolholder. The end of Morse taper shank tools (held in a toolholder) is tapered to ensure accurate alignment of the tool in its socket and is self-holding (friction between the tool and the tool-holder prevents slippage). Morse taper is one of the most widely used standards for self-holding tapers.

There are five flutes for all reamers in this series. Tolerances are +0.005 -0.000 inches for all reamers in the 655-H series.

Reamers are used to finish existing holes. When holes are created using common applications like drilling or punching they often have minute imperfections. Their roundness may be flawed, or their diameter may be slightly smaller than required. Reamers are made to exacting tolerances, so they can correct such errors and create precisely round holes of exacting dimensions. Reaming is often used before tapping screw threads.

Alvord Polk manufactures a broad family of cutting tools, brushes, and tooling components, following ISO 9001 standards for quality and environmental impact of their products. Their offices and manufacturing facilities have been located in the United States since 1881.

Specifications

Model

03813

Finish Types

Uncoated (Bright)

Flute Length

2-5/8 inches

Part Number

03752

Shank Width

2-5/8 inches

Brand Name

Alvord Polk

Cutting Direction

Right Hand

Material Type

High Speed Steel

Outside Diameter

0.5000 inches

UPC

662783037521

Size Name

1/2 in

Flute Type

left hand spiral

EAN

0662783037521

Shank Type

Morse Taper

System of Measurement

Inch

Overall Length

7-9/16 inches

Features

Details

Shipping Weight

0.3 pounds

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