Cleveland
Cleveland C54923 Straight Flute Hand Tap 1"-8 Taper
A straight-flute hand tap cutting 1"-8 UNC threads in a tapered lead, made from high-speed steel with a 5.13 in overall length and 2.5 in thread length
- TypeTaps
- Creates UNC threads in through-holes with 1"-8 taper design
- High-speed steel construction resists wear during repeated hand-tapping operations
- 13 inch overall length provides leverage for controlled thread cutting
- 5 inch thread length ensures full engagement in deep holes
- Bright uncoated finish allows visual inspection of cutting edges
Cleveland 1"-8 UNC Taper Tap
The Cleveland C54923 straight flute hand tap cuts 1"-8 UNC threads in a right-hand direction. It is made from high speed steel with a bright uncoated finish for general-purpose threading work. The taper chamfer helps start threads cleanly in through-holes or blind holes with adequate depth.
Taper Chamfer and H4 Thread Limit
The taper lead distributes cutting load over several threads for easier starting and reduced breakage risk. An H4 thread limit produces a class 2B fit when used with the recommended 75 percent thread engagement. The 22.25 mm drill size prepares the hole for proper thread height.
High Speed Steel Construction and Shank Dimensions
High speed steel resists wear during repeated hand-tapping operations. The overall length of 5.13 in and a 2.5 in thread length provide reach for deeper holes while maintaining rigidity. The straight flute design clears chips effectively in ductile materials when the tap is reversed periodically.
Highlights
- Creates UNC threads in through-holes with 1"-8 taper design
- High-speed steel construction resists wear during repeated hand-tapping operations
- 13 inch overall length provides leverage for controlled thread cutting
- 5 inch thread length ensures full engagement in deep holes
- Bright uncoated finish allows visual inspection of cutting edges
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
When will the H4 thread-limit tap need to be replaced?
Replace the tap once the H4 thread limit no longer produces a 2B class of fit; thread gauges confirm when wear exceeds tolerance.
What limits continuous threading with this 1"-8 UNC tap?
Chip packing in the 2.5 in thread length of the straight flutes is the first limit during sustained cutting.
How much heat builds up when running this HSS tap all day?
High-speed steel construction handles typical hand-tapping heat; use cutting fluid to manage temperature during extended use.
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