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Union Butterfield 1587(UNC)/1587(UNF)/1588(UNF)1588(UNF) High-Speed Steel Spiral Flute Tap, High-Helix, Uncoated (Bright) Finish, Round Shank with Square End

Available in multiple versions

1 customer review

Price: $13.46 - $47.78
Product Specifications
Brand Name Union Butterfield
Material Type High Speed Steel
Finish Types Uncoated (Bright)
Shank Type Round With Square End
Thread Style UNF
UNSPSC Code 27112806

The Union Butterfield 1587(UNC)/1587(UNF)/1588(UNC)/1588(UNF) uncoated, high-speed steel spira... Read full product description

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The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
#10-24 B003JY6B7K
#10-24 B003JY6B8Y
#10-32 B003JY6BIE
#10-32 B003JY6BJ8
#12-24 B003JY6B9I
#12-24 B003JY6BA2
#3-48 B003JY6BAW
#3-48 B003JY6BBG
#4-40 B003JY6BCA
#4-40 B003JY6BD4
#5-40 B003JY6BE8
#5-40 B003JY6BES
#6-32 B003JY6BFM
#6-32 B003JY6BG6
#8-32 B003JY6BGQ
#8-32 B003JY6BHK
1/2"-13 B003JY6BJS
1/2"-13 B003JY6BKM
1/2"-20 B003JY6BQG
1/2"-20 B003JY6BRA
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Product Features

  • Spiral flute tap design pulls chips back from the tip of the tool and out of the hole to prevent clogging
  • Spiral flutes for creating threads in blind holes
  • Higher helix angle improves chip removal
  • Available in UNC (Unified Coarse) or UNF (Unified Fine) right-hand thread options for different applications
  • Round shank with square end helps to minimize rotation in the tool holder

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: B004J4VUVQ
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (1 customer review)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By E. Burdick on September 19, 2013
Size: #4-40 Verified Purchase
If you tap aluminum a lot, this is a good product for hand tapping. The spiral flutes clear out the waste very well -- much better that straight flute taps. These are not super strong taps, so I would not use them for machine tapping. But for hand tapping, with just a little finesse and some lubrication, I have had good results.

Update: Though these are great taps, I have recently started using roll form taps for these small sizes in aluminum. I use these in an educational environment, and my students have not broken a single roll form tap.
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