Widia Gtd
Widia Gtd VTSFT-TC5152 Spiral Flute Tap 5/16"-24 Bottoming 2 Flutes UNJF pneumatic accessory
Creates precise UNJF threads in 5/16"-24 holes using a two-flute spiral flute design for efficient chip removal
- Precise UNJF threads from 5/16"-24 spiral flute tap
- Clean blind-hole tapping with bottoming chamfer design
- Efficient chip evacuation via 2-flute spiral geometry
- Durable high-speed steel construction withstands repeated use
- Accurate 3B class fit for critical assemblies
Widia Spiral Flute Tap UNJF
The Widia VTSFT-TC5152 is a high-speed steel spiral flute tap designed for creating UNJF threads in pneumatic and power tool applications. It suits machinists and maintenance technicians who require precise internal threading in aerospace or automotive components.
Bottoming tap sustained cutting behaviour
The bottoming chamfer allows threading close to the bottom of blind holes while the two-flute spiral geometry evacuates chips efficiently during extended cutting cycles. High-speed steel construction maintains edge retention under continuous pneumatic driving forces.
Replaces worn or incorrect thread taps
This tap upgrades from damaged or mismatched thread tools when UNJF 5/16"-24 class 3B fit is specified. The jump is worth it when existing taps produce oversized threads or fail to reach full depth in blind holes.
Highlights
- Precise UNJF threads from 5/16"-24 spiral flute tap
- Clean blind-hole tapping with bottoming chamfer design
- Efficient chip evacuation via 2-flute spiral geometry
- Durable high-speed steel construction withstands repeated use
- Accurate 3B class fit for critical assemblies
Specifications
| Brand | WIDIA |
|---|
Questions about this item
Will the high-speed steel spiral-flute tap overheat during extended threading sessions?
The high-speed steel body dissipates cutting heat efficiently, and the two-flute spiral design clears chips continuously to keep temperatures stable during long runs.
What drill size must I already have to prepare the hole for this 5/16"-24 UNJF bottoming tap?
A 75-percent thread drill marked size I is required to produce the correct minor diameter before tapping.
Can I run this H3-limit 3B-class tap in the same setup as my older H2 or H4 taps without changing holders?
Yes — the standard shank fits existing tap holders, and the right-hand thread direction matches conventional tooling.
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