Cleveland
Cleveland C54884 Straight Flute Hand Tap 7/8"-9 Taper pneumatic accessory
Cuts 7/8"-9 UNC threads with a 2.22 in thread length and 4.69 in overall length in high-speed steel
- TypeTaps
- Cuts internal threads in UNC 7/8"-9 holes with Taper lead
- High-speed steel construction resists wear during repeated tapping
- 69 in overall length reaches deeper workpieces
- 22 in thread length matches standard drill depths
- Bright finish prevents coating buildup in soft materials
Cleveland C54884 Straight Flute Hand Tap
This Cleveland C54884 straight flute hand tap cuts 7/8"-9 UNC threads with a taper lead for easy starting. Made from high speed steel with a bright finish, it suits general-purpose threading in through-holes or blind holes with adequate chip clearance. Right-hand threads and H4 limits produce a 2B class of fit.
Sustained threading performance
The straight flute design moves chips forward or holds them in the flutes during continuous cutting. High speed steel retains hardness during repeated passes, while the uncoated surface resists galling in ferrous materials. Taper lead reduces initial torque, helping maintain consistent thread quality over long production runs.
Build quality and daily use
Overall length measures 4.69 in with a 2.22 in thread length for reach in standard setups. The 75 percent thread drill size of 19.50 mm guides hole preparation for proper engagement. Bright finish allows visual inspection of flank wear, and the H4 limit fits common 2B gauging without special tooling.
Highlights
- Cuts internal threads in UNC 7/8"-9 holes with Taper lead
- High-speed steel construction resists wear during repeated tapping
- 69 in overall length reaches deeper workpieces
- 22 in thread length matches standard drill depths
- Bright finish prevents coating buildup in soft materials
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
Does the 7/8"-9 tap generate noticeable heat or vibration during extended hand-tapping sessions?
As a straight-flute hand tap made from high-speed steel, it produces minimal heat and vibration when used manually with proper lubrication and steady pressure.
What size drill bit must I already own to prepare the hole for this 7/8"-9 UNC thread?
A 19.50 mm drill bit is required to create the 75 percent thread depth before tapping with this H4-limit tool.
Will this Taper-chamfer tap start threads cleanly in a workpiece that already has a worn or partial thread from an older tap?
The Taper lead with 2.22 in thread length is designed for easy starting in fresh holes; it may not engage reliably in damaged or pre-existing threads.
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