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  • Alvord Polk 161-0 High-Speed Steel Finishing Reamer for Morse Taper Sockets, Straight Flute, Square Shank, Uncoated Finish, Morse Taper Size 5
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Alvord Polk 161-0 High-Speed Steel Finishing Reamer for Morse Taper Sockets, Straight Flute, Square Shank, Uncoated Finish, Morse Taper Size 5

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List Price: $291.70
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Product Specifications
Mfr Part # 12505
Number of Items 1
UPC 662783125051
Decimal Equivalent 1.472-1.800  inches
EAN 0662783125051
Flute Length 6-1/4  inches
Manufacturer Series Number 161-0
Overall Length 9-3/4  inches
Shank Width 5  inches
Size Morse Taper Size 5
System of Measurement Taper Size
Specification for this product family (See all  products)
Brand Name Alvord Polk
Material Type High Speed Steel
Finish Types Uncoated (Bright)
Cutting Direction Right Hand
Flute Type Straight
Shank Type Round with Square End
UNSPSC Code 23241611

Product Features

  • Straight flute reamers are recommended for general purpose reaming to make minor enlargements to preformed holes with a very precise size and roundness
  • Straight flute reamers are good for use in through or blind holes without interruptions such as keyways (through holes extend through the entire workpiece, while blind holes do not)
  • The cutting end of Morse taper reamers fits the Morse taper standard for sockets and shanks, which means that it will finish a tapered hole correctly according to this standard
  • Uncoated (bright) tools have no finish or coating. They are a good choice for general purpose applications
  • High-speed steel is a common general purpose steel for cutting tools, is compatible with a variety of materials, and tends to be lower in price

Product Details

Product Description

The Alvord Polk 161-0 straight flute reamer is a square shank tool made of high-speed steel with no finish or coating, and is most commonly chosen for finish reaming Morse taper sockets. Morse taper is one of the most widely used standards for self-holding tools’ shanks and sockets.

Straight flute reamers are useful for uninterrupted cuts in general purpose applications. These reamers make small, circular, and precise enlargements to through and blind holes. 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. Square shanks prevent tool rotation in the toolholder.

For reamers in the 161-0 series with taper numbers 0 and 1 there are six flutes, for taper numbers 2 and 3 there are eight flutes, and for taper numbers 4 and 5 there are 10 flutes.

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.

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