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Bright uncoated steel straight flute hand tap 1 inch 8 plug 5.13 in overall length

Cleveland

Cleveland C54924 Straight Flute Hand Tap 1"-8 Plug 5.13 in pneumatic accessory

SKU CH-S8VF-8F7G4

Creates 1"-8 UNC threads with a 5.13 in HSS straight-flute plug tap, 2.5 in thread length, H4 limit for 2B fit

  • Product typeTaps
  • High-speed steel construction resists wear during repeated threading
  • 1"-8 UNC plug tap cuts standard coarse threads in through-holes
  • 13 in overall length provides reach for deep-hole access
  • 5 in thread length ensures full engagement in thick material
  • 25 mm drill size matches 75 percent thread depth for accurate holes

Cleveland C54924 Hand Tap — Thread Cutting Tool

The Cleveland C54924 is a straight-flute hand tap designed to cut internal UNC threads in a 1 inch minus 8 pitch size. It suits maintenance technicians and machinists who need to create or repair threaded holes in steel, cast iron and similar materials using hand or light machine operations.

Plug Chamfer Limits Starting Ease

A plug chamfer engages the workpiece with moderate lead threads, making it practical for through holes and blind holes with adequate clearance. The 75 percent thread drill size of 22.25 mm defines the maximum hole diameter before thread depth drops below specification, so holes drilled larger than this will not yield full thread engagement.

High-Speed Steel Construction and Bright Finish

The tap is made from high-speed steel with a bright uncoated finish and a right-hand cutting direction. Its overall length of 5.13 inches and 2.5 inch thread length provide reach for deeper holes, while the H4 thread limit and 2B class of fit ensure standard tolerance for general-purpose assembly work.

How it compares

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

Price $80.99
Pricier than about 79% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

Which thread size and tap style should I select for a 1"-8 UNC hole?

This tap is a 1"-8 UNC straight-flute hand tap with a plug chamfer, suited for through or blind holes in general-purpose threading.

What does the 2.5 inch thread length mean when I am tapping a workpiece?

The 2.5 inch thread length is the cutting portion of the tap; it determines the maximum depth of full-form threads you can produce in a single pass.

How does the H4 thread limit and 2B class of fit affect the finished thread?

H4 is the pitch-diameter limit for this tap, and 2B is the standard internal-thread fit class; together they define the tolerance zone for the finished 1"-8 UNC thread.

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