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Cleveland C54587 straight-flute hand tap 3/8"-16 high-speed steel bright finish

Cleveland

Cleveland C54587 Straight Flute Hand Tap 3/8"-16 pneumatic accessory

SKU CH-8VN6-D05X1

Straight flute hand tap cuts 3/8"-16 UNC threads in through-holes using high-speed steel

  • Product typeTaps
  • Straight flute design clears chips efficiently in through holes
  • High-speed steel construction resists wear during repetitive tapping tasks
  • UNC 3/8"-16 thread standard matches common fastener sizes
  • Four-flute geometry improves thread accuracy and tool stability
  • Bright uncoated finish suits general-purpose threading applications

Cleveland C54587 Straight Flute Hand Tap

The Cleveland C54587 is a three-piece tap kit designed to cut right-hand UNC threads in a 3/8"-16 size. It suits maintenance technicians and machinists who need to create internal threads by hand in metal workpieces.

High-speed steel construction with four flutes

Each tap is made from bright uncoated high-speed steel and features four straight flutes with an H3 thread limit for a Class 3B fit. The 75 percent thread drill size is 5/16 in, requiring a matching drill bit to prepare the hole before tapping.

Steady cutting in through-hole applications

The straight flute geometry evacuates chips ahead of the cutter, making it effective for through-hole work where chips can fall clear. In blind holes the flutes can pack with swarf, so frequent reversal is needed to break and clear chips during sustained threading.

How it compares

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

Price $24.99
Cheaper than about 55% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

Will the 3/8"-16 tap stay accurate after repeated hand threading?

The H3 thread limit and 3B class of fit maintain tolerance through sustained use.

Does the high-speed steel overheat during all-day tapping?

Bright uncoated HSS dissipates heat efficiently in intermittent hand operation.

Must I already have a 5/16" drill bit for the 75 percent thread?

Yes, a 5/16" drill is required to prepare the correct hole size.

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