Cleveland
Cleveland C54995 Straight Flute Hand Tap 1-1/4"-7 UNC Plug 4 Flutes pneumatic accessory
Straight flute hand tap cuts 1-1/4"-7 UNC threads with a plug chamfer and four flutes
- TypeTaps
- Straight-flute design clears chips efficiently in through-holes
- Plug chamfer starts threads smoothly for general-purpose tapping
- High-speed steel construction resists wear during repeated use
- Bright uncoated finish suits a wide range of ferrous and non-ferrous materials
- 75 % thread depth matches 1.1108 in drill size for Class 2B fit
Cleveland C54995 Tap Application
The Cleveland C54995 is a straight flute hand tap designed for cutting internal UNC threads in a variety of materials. It suits maintenance technicians and machinists who need to create or repair coarse threads by hand or with a tapping head. The bright finish and right-hand orientation support general-purpose use across steel and non-ferrous workpieces.
Thread Capacity and Cutting Limits
This tap produces a 1-1/4"-7 UNC thread with a thread length of 2 9/16 inches and an overall length of 5 3/4 inches. The H4 thread limit targets a 2B class of fit, while the 75 percent thread drill size of 1.1108 inches defines the required hole preparation. It handles through holes and blind holes where chip clearance allows, but runs out in deep blind holes where chips cannot escape the straight flutes.
Build Quality and Daily Use
High speed steel construction provides wear resistance for repeated hand-tapping operations without coating-related friction changes. The four-flute geometry distributes cutting load evenly for smoother thread finish in moderate production runs. The plug chamfer eases starting in aligned holes, and the uncoated bright surface allows easy inspection of cutting edges for wear or damage during extended use.
Highlights
- Straight-flute design clears chips efficiently in through-holes
- Plug chamfer starts threads smoothly for general-purpose tapping
- High-speed steel construction resists wear during repeated use
- Bright uncoated finish suits a wide range of ferrous and non-ferrous materials
- 75 % thread depth matches 1.1108 in drill size for Class 2B fit
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
Will the 1-1/4"-7 UNC tap fit the existing holes in my older fixture plates?
The tap cuts a 1-1/4"-7 UNC thread to a 2B class of fit with an H4 limit; match your hole to the 75 percent thread drill size of 1.1108 in for proper engagement.
How can I verify the C54995 tap is cutting correctly once I start the job?
Check that chips form cleanly in the four straight flutes, the thread gauges to a 2B fit, and the tap advances smoothly at the 75 percent drill size of 1.1108 in.
Does the C54995 package include a matching drill bit or handle, or must I buy them separately?
The box contains only the straight flute hand tap; a 1.1108 in drill bit and a suitable tap wrench or handle are not included and must be purchased separately.
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