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Alvord Polk 131-1 High-Speed Steel Chucking Reamer, Right Hand Spiral Flute, Taper Shank, Uncoated (Bright)

Available in multiple versions

Price: $22.71 - $121.56
Product Specifications
Brand Name Alvord Polk
Material Type High Speed Steel
Finish Types Uncoated (Bright)
Cutting Direction Right Hand
Flute Type Right Hand Spiral
Shank Type Morse Taper
UNSPSC Code 23241611

The Alvord Polk 131-1 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 B002PHNCCY
Inch 9/32" B002PHNCD8
Inch 5/16" B002PHNCDI
Inch 11/32" B002PHNCDS
Inch 3/8 in B002PHNCE2
Inch 13/32" B002PHNCEC
Inch 7/16" B002PHNCEM
Inch 15/32" B002PHNCEW
Inch 1/2 in B002PHNCF6
Inch 17/32" B002PHNCG0
Inch 9/16" B002PHNCGA
Inch 19/32" B002PHNCGK
Inch 5/8" B002PHNCGU
Inch 21/32" B002PHNCH4
Inch 11/16" B002PHNCHE
Inch 23/32" B002PHNCHO
Inch 3/4" B002PHNCHY
Inch 25/32" B002PHNCII
Inch 13/16" B002PHNCIS
Inch 27/32" B002PHNCJ2
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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: B003TO4VJ0
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

The Alvord Polk 131-1 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.

Right-hand spiral reamers are useful for interrupted cuts and in blind 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. Right-hand spiral style tools also pull chips away from the tip of the tool, instead of driving chips in front of the tool. Right-hand spiral reamers are commonly used in blind holes, since pulling chips out of the hole prevents clogging, which may cause tool damage 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 131-1 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 131-1 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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