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Alvord Polk 131-0 High-Speed Steel Chucking Reamer, Straight Flute, Taper Shank, Uncoated (Bright)

Available in multiple versions

Price: $21.16 - $110.50
Product Specifications
Brand Name Alvord Polk
Material Type High Speed Steel
Finish Types Uncoated (Bright)
Chamfer Type Taper
Cutting Direction Right Hand
Flute Type Straight
Shank Type Morse Taper
UNSPSC Code 23241611

The Alvord Polk 131-0 straight flute chucking reamer (also called a machine reamer) is a gener... Read full product description

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System of Measurement Size Part Number
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
Inch 1/4 in B002PHN92C
Inch 9/32" B002PHN92M
Inch 5/16" B002PHN92W
Inch 11/32" B002PHN936
Inch 3/8 in B002PHN93G
Inch 13/32" B002PHN940
Inch 7/16" B002PHN94A
Inch 15/32" B002PHN94K
Inch 1/2 in B002PHN94U
Inch 17/32" B002PHN954
Inch 9/16" B002PHN95E
Inch 19/32" B002PHN95O
Inch 5/8" B002PHN95Y
Inch 21/32" B002PHN968
Inch 11/16" B002PHN96S
Inch 23/32" B002PHN972
Inch 3/4" B002PHN97C
Inch 25/32" B002PHN97M
Inch 27/32" B002PHN986
Inch 7/8" B002PHN98G
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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 end of 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)
  • 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 Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B003TO4VIQ
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

The Alvord Polk 131-0 straight flute chucking reamer (also called a machine reamer) is a general purpose, self-holding taper shank tool made of high-speed steel with no finish or coating, and is most commonly chosen for general purpose reaming. This tool can be used in a drill press, screw machine, lathe, or other good-quality toolholder.

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 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. High-speed steel is compatible with many materials and makes a good general purpose tool.

For reamers in the 131-0 series with 0.0280 – 0.1561 inches diameter there are four flutes, for 0.1562 – 0.5220 inches diameter there are six flutes, for 0.5221 – 0.8820 inches diameter there are eight flutes, for 0.8821 – 1.1950 inches diameter there are 10 flutes, and for 1.1951 – 1.5000 inches diameter, there are 12 flutes. Tolerances are +0.0002 -0.0000 inches for all reamers in the 131-0 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.

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