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Spiral flute tap 3/8-24 UNF three flutes high speed steel bright finish

Cleveland

Cleveland C58584 Spiral Flute Tap 3/8-24 UNF 3 Flutes

SKU CH-6XDP-HFBAP

Cuts 3/8-24 UNF threads in blind holes with a 3-flute spiral flute design

  • Product typeTaps
  • Spiral flutes clear chips in blind holes
  • High-speed steel resists wear on tough materials
  • 3/8-24 UNF thread fits standard fasteners
  • Three flutes balance strength and cutting speed
  • H3 limit ensures precise 2B class fit

Cleveland C58584 Spiral Flute Tap

The Cleveland C58584 is a spiral flute tap designed for creating 3/8-24 UNF internal threads in through-hole and blind-hole applications. It suits machinists and maintenance technicians who need reliable thread production in ferrous and non-ferrous metals using standard tool holders.

Capacity and headroom for 3/8-24 UNF threads

This tap produces a 3/8 inch diameter thread with 24 threads per inch to a Class 2B fit using an H3 thread limit. The 3/4 inch thread length and 75 percent thread drill size of 8.50 mm define the engagement depth and core-hole preparation required for full thread form.

Three-flute high-speed steel construction

The bright uncoated high-speed steel body features three flutes that evacuate chips efficiently during bottoming operations. Right-hand thread direction and an overall length of 2 15/16 in provide compatibility with conventional tapping equipment and standard workholding setups.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 64% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

Will the 3/8-24 UNF thread size match the existing holes in my older fixture?

The tap cuts a 3/8-24 UNF thread with a 2B class of fit, so it will match holes threaded to the same standard.

How can I confirm the tap is cutting correctly after I start the hole?

Check that the chips curl upward and evacuate cleanly through the three spiral flutes, producing a smooth 3/8-24 UNF thread to the full 3/4 in thread length.

Does the package include the 8.50 mm drill bit needed for the 75 percent thread?

The box contains only the spiral flute tap; the 8.50 mm drill bit must be purchased separately.

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