Cleveland
Cleveland C54249 Straight Flute Hand Tap M4-0.70 pneumatic accessory
M4×0.70 straight-flute hand tap set in high-speed steel with 19.05 mm thread length and 54.10 mm overall length
- TypeTaps
- M4-0.70 metric thread cuts precise internal threads
- High-speed steel construction resists wear during repeated use
- Bright uncoated finish suits general-purpose tapping tasks
- 05 mm thread length reaches standard blind-hole depths
- Four-flute design clears chips efficiently in through-holes
Cleveland M4-0.70 Straight Flute Hand Tap
This Cleveland C54249 straight flute hand tap cuts M4 threads with a 0.70 mm pitch. It is made from high speed steel with a bright uncoated finish and has four flutes. The thread limit is 2B and the class of fit is 6H for right-hand metric threads. Mechanics and hobbyists use it for through-hole or blind-hole tapping in steel or aluminium.
Replaces worn or undersized M4 taps
A fresh tap restores clean thread geometry when an old tool leaves rough flanks or fails the 6H gauge. The jump is worth it when the 75 percent thread drill size of 3.30 mm no longer produces acceptable engagement. The 19.05 mm thread length and 54.10 mm overall length match the original specification so no process change is needed.
Hand or machine installation with standard holders
The square shank fits common tap wrenches and CNC tool holders without adapters. Bright high speed steel requires cutting fluid to prevent built-up edge and premature wear. The most common error is drilling the 3.30 mm hole off-centre, which leads to bell-mouthed threads and tap breakage.
Highlights
- M4-0.70 metric thread cuts precise internal threads
- High-speed steel construction resists wear during repeated use
- Bright uncoated finish suits general-purpose tapping tasks
- 05 mm thread length reaches standard blind-hole depths
- Four-flute design clears chips efficiently in through-holes
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
What drill size do I need for the M4-0.70 tap in this kit?
Use a 3.30 mm drill bit for 75 percent thread engagement before tapping.
How do I use the three taps in the set without breaking them?
Start with the taper tap, then the plug tap, and finish with the bottoming tap; keep the tap perpendicular and use cutting oil.
When should I replace these high-speed steel taps?
Replace them when threads become rough, cutting requires excessive force, or the flutes show visible wear or chipping.
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