(TC254) HSS-E (M35) UNF Gun Point for Steel
HSS-E UNF Through-Hole Machine Tap
- SKU
- TC254342
Key features
- HSS-E M35 UNF gun point machine tap
- Thick web supports higher cutting speeds in through holes
- Bright finish with 60° thread angle and 2B thread class
Made in South Korea
Faster through-hole tapping
The thick web is specified to enable more cutting speed than other taps.
Useful UNF size coverage
Seven UNF sizes cover threads from #5–44 through to 1–12.
Machine tap geometry
Three- and four-flute variants provide the specified format across the TC254 size range.
| SKU | Size | TPI | Thread length (mm) | Overall length (mm) | Neck length (mm) | Shank dia. (mm) | Square size (mm) | Square length (mm) | Flutes | Tapping drill dia. (mm) | Stock | Price | Qty | Add |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TC254342 | #10 | 32UNF | 15.0 | 70.0 | 25.0 | 6.0 | 4.9 | 8.0 | 3 | 4.1 | 1-2 Weeks | $43.70 | ||
| TC254222 | #5 | 44UNF | 11.0 | 56.0 | 18.0 | 3.5 | 2.7 | 6.0 | 3 | 2.7 | 1-2 Weeks | $43.00 | ||
| TC254422 | 1 | 28UNF | 17.0 | 80.0 | 30.0 | 7.0 | 5.5 | 8.0 | 3 | 5.5 | 1-2 Weeks | $31.10 | ||
| TC254802 | 1 | 12UNF | 28.0 | 140.0 | 54.0 | 18.0 | 14.5 | 17.0 | 4 | 23.25 | Low stock | $166.00 | ||
| TC254502 | 3 | 24UNF | 18.0 | 100.0 | 39.0 | 9.0 | 7.0 | 10.0 | 3 | 8.5 | In stock | $39.70 | ||
| TC254722 | 3 | 16UNF | 25.0 | 110.0 | 44.0 | 14.0 | 11.0 | 14.0 | 4 | 17.5 | In stock | $102.40 | ||
| TC254622 | 9 | 18UNF | 22.0 | 100.0 | 40.0 | 11.0 | 9.0 | 12.0 | 3 | 12.9 | 1-2 Weeks | $56.00 |
Add (TC254) HSS-E (M35) UNF Gun Point for Steel to comparison
View Comparison- Overview
- Specifications
- Work Material
- Reviews
YG-1 TC254 HSS-E UNF gun point machine tap delivers higher-speed through-hole threading in steel. Its thick web supports more cutting speed than other taps, as specified for this series. The bright-finish tap range covers UNF sizes from #5–44 to 1–12. TC254 taps use three flutes through 3/8–24 UNF, then four flutes for larger sizes. The family is supplied to DIN 371 for smaller sizes and DIN 374 above 3/8. Each variant is specified with a 60° thread angle and 2B thread class. YG TAP STEEL tools serve steel materials and other long chip-forming materials. Tapping drill diameters extend from 2.7 mm to 23.25 mm.
- HSS-E M35 UNF gun point machine tap
- Thick web supports higher cutting speeds in through holes
- Bright finish with 60° thread angle and 2B thread class
- Seven UNF sizes from #5–44 to 1–12
- Three flutes through 3/8–24 and four flutes on larger sizes
- DIN 371 for smaller sizes and DIN 374 for larger sizes
| Tool Material | HSS-E |
Work materials
VDI 3323 recommendations for this tool.
Steel
9 gradesSuperalloys & titanium
2 gradesStainless steel
3 gradesVDI grade reference14 grades
Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.
| VDI | Work material | Recommendation | HB ref. | HRC ref. |
|---|---|---|---|---|
| 2 | PNon-alloy steel | Good | 190 | 13 |
| 3 | PNon-alloy steel | Good | 250 | 25 |
| 4 | PNon-alloy steel | Good | 270 | 28 |
| 5 | PNon-alloy steel | Excellent | 300 | 32 |
| 6 | PLow-alloy steel | Good | 180 | 10 |
| 7 | PLow-alloy steel | Good | 275 | 29 |
| 8 | PLow-alloy steel | Excellent | 300 | 32 |
| 9 | PLow-alloy steel | Excellent | 350 | 38 |
| 10 | PHigh-alloy and tool steel | Good | 200 | 15 |
| 12 | MStainless steel | Good | 200 | 15 |
| 13 | MStainless steel | Good | 240 | 23 |
| 14 | MStainless steel | Good | 180 | 10 |
| 31 | SHeat-resistant superalloys | Good | 200 | 15 |
| 36 | STitanium alloys | Good | - | - |
No grades match your search.
HB and HRC values are nominal catalogue references. Grade subdivisions can vary between catalogues.
Recommendations apply to the listed VDI grades. Unlisted grades have no stated recommendation.
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