Cleveland
Cleveland C54866 Straight Flute Hand Tap M20x2.5 pneumatic accessory
M20 x 2.5 metric straight-flute hand tap in high-speed steel, 13.51 mm overall length, 50.8 mm thread length, D7 limit for 6H fit, 75 % thread with 17.50 mm drill size
- TypeTaps
- M20 x 2.5 metric thread fits standard holes
- Straight flute design clears chips in through-holes and blind holes
- High-speed steel construction resists wear during repeated threading
- 8 mm thread length reaches deep into workpieces
- D7 limit with 6H class ensures precise fit tolerance
Cleveland C54866 M20x2.5 Hand Tap
The Cleveland C54866 is a straight flute hand tap designed for creating M20x2.5 metric threads in a workshop or maintenance setting. It is made from high speed steel with a bright uncoated finish and features a right hand cutting direction. This bottoming style tap suits through holes or blind holes where full thread depth is required.
Sustained Use Behaviour
High speed steel construction resists wear during repeated manual threading operations on steel or similar hardness materials. The straight flute geometry allows chips to collect in the flutes so the tap must be reversed regularly to clear them during deep cuts. A 75 percent thread drill size of 17.50 mm prepares the hole for a 6H class of fit.
Practical Limits
The D7 thread limit defines the tolerance envelope so the tap cannot produce threads outside the 6H specification. Overall length of 13.51 mm and thread length of 50.8 mm restrict reach in deep or recessed holes. Users needing coated taps for stainless steel or high volume production will require a different tool.
Highlights
- M20 x 2.5 metric thread fits standard holes
- Straight flute design clears chips in through-holes and blind holes
- High-speed steel construction resists wear during repeated threading
- 8 mm thread length reaches deep into workpieces
- D7 limit with 6H class ensures precise fit tolerance
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
Does the M20x2.5 hand tap generate noticeable heat or noise during extended threading work?
As a manual high-speed steel tap it produces no noise and negligible heat; cutting fluid manages temperature during long sessions.
What tool holder or driver must I already own to turn this 54866 tap?
You need a tap wrench or T-handle that accepts a square shank matching the M20 metric standard.
Will the D7 thread limit on this tap mate correctly with older 6H-class nuts and bolts I keep in stock?
Yes, the D7 limit is designed for a 6H class of fit, so existing 6H hardware will thread properly.
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