(TC874) HSS-E (M35) UNF Gun Point Combo Tap for Multi Purpose
Bright HSS-E UNF Gun Point Combo Tap
- SKU
- TC874382
Key features
- Bright HSS-E UNF gun point combo tap
- 2B thread tolerance with a 60° thread angle
- UNF size range from #4-48 to 1-12
Made in South Korea
UNF thread range
Covers fine Unified National Fine thread sizes from #4-48 to 1-12.
Defined tool standards
Uses 2B tolerance and a 60° thread angle for UNF threading work.
Matched shank format
DIN 371 and DIN 374 configurations align with the relevant size groups.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TC874382 | #12 | 28UNF | 16.0 | 80.0 | 30.0 | 6.0 | 4.9 | 8.0 | 3 | 4.7 | 1-2 Weeks | $49.60 | ||
| TC874342 | #10 | 32UNF | 15.0 | 70.0 | 25.0 | 6.0 | 4.9 | 8.0 | 3 | 4.1 | 1-2 Weeks | $50.30 | ||
| TC874302 | #8 | 36UNF | 13.0 | 63.0 | 21.0 | 4.5 | 3.4 | 6.0 | 3 | 3.5 | 1-2 Weeks | $49.60 | ||
| TC874262 | #6 | 40UNF | 12.0 | 56.0 | 20.0 | 4.0 | 3.0 | 6.0 | 3 | 3.0 | 1-2 Weeks | $51.40 | ||
| TC874222 | #5 | 44UNF | 11.0 | 56.0 | 18.0 | 3.5 | 2.7 | 6.0 | 3 | 2.7 | 1-2 Weeks | $49.60 | ||
| TC874182 | #4 | 48UNF | 11.0 | 56.0 | 18.0 | 3.5 | 2.7 | 6.0 | 3 | 2.4 | 1-2 Weeks | $61.90 | ||
| TC874422 | 1/4 | 28UNF | 17.0 | 80.0 | 30.0 | 7.0 | 5.5 | 8.0 | 3 | 5.5 | 1-2 Weeks | $49.60 | ||
| TC874462 | 5/16 | 24UNF | 17.0 | 90.0 | 35.0 | 8.0 | 6.2 | 9.0 | 3 | 6.9 | 1-2 Weeks | $56.20 | ||
| TC874502 | 3/8 | 24UNF | 18.0 | 100.0 | 39.0 | 9.0 | 7.0 | 10.0 | 3 | 8.5 | 1-2 Weeks | $65.60 | ||
| TC874542 | 7/16 | 20UNF | 22.0 | 100.0 | 40.0 | 8.0 | 6.2 | 9.0 | 3 | 9.9 | 1-2 Weeks | $77.10 | ||
| TC874582 | 1/2 | 20UNF | 22.0 | 100.0 | 40.0 | 9.0 | 7.0 | 10.0 | 3 | 11.5 | 1-2 Weeks | $79.90 | ||
| TC874622 | 9/16 | 18UNF | 22.0 | 100.0 | 40.0 | 11.0 | 9.0 | 12.0 | 3 | 12.9 | 1-2 Weeks | $89.80 | ||
| TC874662 | 5/8 | 18UNF | 22.0 | 100.0 | 40.0 | 12.0 | 9.0 | 12.0 | 3 | 14.5 | 1-2 Weeks | $114.20 | ||
| TC874722 | 3/4 | 16UNF | 25.0 | 110.0 | 44.0 | 14.0 | 11.0 | 14.0 | 4 | 17.5 | 1-2 Weeks | $164.30 | ||
| TC874762 | 7/8 | 14UNF | 26.0 | 125.0 | 50.0 | 18.0 | 14.5 | 17.0 | 4 | 20.5 | 1-2 Weeks | $182.70 | ||
| TC874802 | 1 | 12UNF | 28.0 | 140.0 | 54.0 | 20.0 | 16.0 | 19.0 | 4 | 23.25 | 1-2 Weeks | $234.50 |
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View Comparison- Overview
- Specifications
- Work Material
- Reviews
YG-1 TC874 is a bright HSS-E UNF gun point combo tap with 2B tolerance. It produces 60° Unified National Fine internal threads in machine tapping applications. The TC874 series covers fine-pitch UNF sizes from #4-48 through to 1-12. DIN 371 applies from #4 to 3/8, with DIN 374 applied from 7/16 to 1. All listed sizes feature three flutes for the specified TC874 tool configuration. Available tapping drill diameters are matched to each thread size for selection. The bright-finish design is offered as the TC874 series configuration. Select the required UNF size to match your drawing and tapping drill specification.
- Bright HSS-E UNF gun point combo tap
- 2B thread tolerance with a 60° thread angle
- UNF size range from #4-48 to 1-12
- DIN 371 sizes from #4 to 3/8
- DIN 374 sizes from 7/16 to 1
- Three-flute configuration throughout the listed range
No specifications available.
Work materials
VDI 3323 recommendations for this tool.
Steel
10 gradesCast iron
4 gradesStainless steel
3 gradesNon-ferrous materials
4 gradesVDI grade reference21 grades
Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.
| VDI | Work material | Recommendation | HB ref. | HRC ref. |
|---|---|---|---|---|
| 1 | PNon-alloy steel | Good | 125 | - |
| 2 | PNon-alloy steel | Excellent | 190 | 13 |
| 3 | PNon-alloy steel | Excellent | 250 | 25 |
| 4 | PNon-alloy steel | Excellent | 270 | 28 |
| 5 | PNon-alloy steel | Excellent | 300 | 32 |
| 6 | PLow-alloy steel | Excellent | 180 | 10 |
| 7 | PLow-alloy steel | Excellent | 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 | Excellent | 200 | 15 |
| 13 | MStainless steel | Excellent | 240 | 23 |
| 14 | MStainless steel | Excellent | 180 | 10 |
| 15 | KGrey cast iron | Excellent | 180 | 10 |
| 16 | KGrey cast iron | Excellent | 260 | 26 |
| 17 | KNodular cast iron | Excellent | 160 | 3 |
| 18 | KNodular cast iron | Excellent | 250 | 25 |
| 23 | NCast aluminium | Excellent | 75 | - |
| 26 | NCopper, bronze and brass | Excellent | 110 | - |
| 27 | NCopper, bronze and brass | Excellent | 90 | - |
| 28 | NCopper, bronze and brass | Excellent | 100 | - |
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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