Cleveland
Cleveland C54131 Straight Flute Hand Tap M2.5 x 0.45 3 Flutes
Metric M2.5 x 0.45 straight-flute hand tap, taper start, three flutes, high-speed steel, 46.04 mm overall length, 12.7 mm thread length, D3 limit for 6H fit
- M2.5 x 0.45 metric thread for precise fastening
- Straight flute design clears chips efficiently in through holes
- High-speed steel construction resists wear during repeated use
- Bright uncoated finish suits general-purpose tapping tasks
- 04 mm overall length with 12.7 mm thread reach
Cleveland C54131 M2.5 Metric Hand Tap
The Cleveland C54131 is a straight flute hand tap designed for cutting M2.5 x 0.45 metric threads. It suits mechanics and hobbyists who need to create new internal threads or clean damaged ones in metal workpieces using hand tools. The bright uncoated high speed steel construction provides durability for general purpose tapping tasks. This taper style tap starts threads easily in through holes or blind holes with adequate depth.
Taper Lead and D3 Limit Constraints
The taper chamfer requires several turns to reach full thread depth which limits use in shallow blind holes where a bottoming tap would be more suitable. The D3 thread limit and 6H class of fit produce a specific tolerance band that may not match tighter or looser fit requirements for precision assemblies. The 75 percent thread drill size #46 must be used to achieve correct thread geometry and tap life. Right hand cutting direction restricts use to standard clockwise threading applications only.
Replaces Worn Taps For Standard Metric Threads
This tap replaces dull or broken hand taps when cutting M2.5 x 0.45 threads in steel or non ferrous metals. The jump is worth it when an existing tap no longer cuts cleanly or produces oversized threads that compromise fastener holding power. High speed steel offers longer edge life than carbon steel alternatives for repeated hand tapping operations. It does not serve applications requiring coated taps for difficult alloys or high volume production tapping.
Highlights
- M2.5 x 0.45 metric thread for precise fastening
- Straight flute design clears chips efficiently in through holes
- High-speed steel construction resists wear during repeated use
- Bright uncoated finish suits general-purpose tapping tasks
- 04 mm overall length with 12.7 mm thread reach
Specifications
| Brand | CLEVELAND |
|---|
Questions about this item
M2.5 x 0.45 versus other metric sizes — how do I pick the right one?
Match the tap to the hole you are threading. The M2.5 x 0.45 designation means a 2.5 mm major diameter and 0.45 mm pitch; use it only when the drawing or fastener specifies that exact size.
What does the 46.04 mm overall length mean when I am tapping by hand?
The 46.04 mm length gives enough shank to reach through a standard handle while keeping the 12.7 mm thread section short enough for control in shallow holes.
The tap is described as a taper style — what does that limit in practice?
A taper tap has a long lead chamfer so it starts threads easily, but it cannot cut to the bottom of a blind hole; you will need a plug or bottoming tap to finish full-depth threads.
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