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  • Alvord Polk 163-0 High-Speed Steel Finishing Reamer for Morse Taper Sockets, Straight Flute, Taper Shank, Uncoated Finish, Morse Taper Size 4
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Alvord Polk 163-0 High-Speed Steel Finishing Reamer for Morse Taper Sockets, Straight Flute, Taper Shank, Uncoated Finish, Morse Taper Size 4

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List Price: $251.20
Price: $177.80 & FREE Shipping. Details
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Product Specifications
Mfr Part # 12510
Number of Items 1
UPC 662783125105
Decimal Equivalent 1.0170-1.2890  inches
EAN 0662783125105
Flute Length 5-1/4  inches
Manufacturer Series Number 163-0
Overall Length 10-7/8  inches
Shank Width 4  inches
Size Morse Taper Size 4
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 Morse Taper
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 than cobalt steel or carbide

Product Details

  • Shipping Weight: 2.8 pounds (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • ASIN: B002PHNS5U
  • Item model number: 12510
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Product Description

The Alvord Polk 163-0 straight flute reamer is a taper 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. 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.

For reamers in the 163-0 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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