Cleveland
Cleveland C54841 Straight Flute Hand Tap 3/4"-10 UNC pneumatic accessory
Straight-flute hand tap cuts 3/4"-10 UNC threads in a three-piece high-speed steel set
- TypeTaps
- Straight-flute design starts threads cleanly in through holes
- High-speed steel construction resists wear during repetitive tapping
- Three-piece kit provides taper, plug and bottoming taps
- 3/4"-10 UNC sizing matches common coarse-thread fasteners
- Bright uncoated finish suits general-purpose steel and iron work
What this tap kit does
The Cleveland C54841 straight-flute hand tap set cuts 3/4"-10 UNC threads in a single pass. It is built for maintenance technicians and machinists who need to create or repair coarse internal threads by hand.
Limits of the UNC standard
The kit produces a Class 3B fit with an H3 thread limit, so the finished hole meets standard tolerance for general fastening. A 75 percent thread depth requires a 16.50 mm drill, and the 2 inch thread length caps the maximum engagement depth.
Build quality and daily use
Four-flute high-speed steel construction with a bright uncoated finish resists wear in mild steel and non-ferrous materials. The 4 1/4 inch overall length gives enough leverage for hand tapping while keeping the tool compact for bench or field work. Right-hand thread direction matches the vast majority of UNC applications.
Highlights
- Straight-flute design starts threads cleanly in through holes
- High-speed steel construction resists wear during repetitive tapping
- Three-piece kit provides taper, plug and bottoming taps
- 3/4"-10 UNC sizing matches common coarse-thread fasteners
- Bright uncoated finish suits general-purpose steel and iron work
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
Which version of the Cleveland C54841 straight-flute hand tap should I choose for a 3/4"-10 UNC thread?
This kit supplies three taps in 3/4"-10 UNC, high-speed steel, bright finish, H3 limit, Class 3B fit, right-hand thread, four flutes, 2 in thread length and 4 1/4 in overall length.
What does the 75 percent thread drill size of 16.50 mm mean when I am tapping a hole?
Drill the hole to 16.50 mm before tapping; that diameter produces roughly 75 percent thread engagement for a strong 3/4"-10 UNC internal thread.
What thread standard does this tap follow and what does it cap in practice?
The tap follows UNC (Unified National Coarse) standard, giving a 3/4"-10 right-hand thread with H3 limits that meet Class 3B fit requirements.
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