(TC184) HSS-E (M35) UNF Spiral Flute for Steel

HSS-E UNF spiral flute taps for blind holes

(TC184) HSS-E (M35) UNF Spiral Flute for Steel
$49.83 INC GST $45.30 EX GST
SKU
TC184382
Work materials
PMS

Key features

  • Bright-finish HSS-E UNF spiral flute machine taps
  • R40 spiral flutes for blind-hole tapping
  • Special flute geometry supports chip evacuation
Tool material HSS-E
Surface treatment Bright
Size
TPI
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Blind-hole focused

R40 spiral flutes and special flute geometry support chip evacuation in blind holes.

Steel capability

Recommended for non-alloy, low-alloy and high-alloy steels, plus selected tool steels.

UNF size coverage

Thirteen UNF thread sizes cover #4–48 through 1–12 requirements.

SKUSizeTPIThread length (mm)Overall length (mm)Neck length (mm)Shank dia. (mm)Square size (mm)Square length (mm)FlutesTapping drill dia. (mm)CAD filesStock Price Qty Add
TC184382#1228UNF10.080.030.06.04.98.034.7STEPDXF 1-2 Weeks $45.30
TC184342#1032UNF10.070.025.06.04.98.034.1STEPDXF 1-2 Weeks $45.90
TC184262#640UNF7.056.020.04.03.06.033.0STEPDXF 1-2 Weeks $45.30
TC184222#544UNF7.056.018.03.52.76.032.7STEPDXF 1-2 Weeks $45.30
TC184182#448UNF6.056.018.03.52.76.032.4STEPDXF 1-2 Weeks $56.50
TC1844221/428UNF10.080.030.07.05.58.035.5STEPDXF Low stock $35.90
TC1844625/1624UNF10.090.035.08.06.29.036.9STEPDXF 1-2 Weeks $39.20
TC1845023/824UNF10.0100.039.09.07.010.038.5STEPDXF Low stock $52.50
TC1845821/220UNF13.0100.040.09.07.010.0311.5STEPDXF Low stock $55.80
TC1846625/818UNF15.0100.040.012.09.012.0314.5STEPDXF 1-2 Weeks $100.40
TC1847223/416UNF17.0110.044.014.011.014.0417.5STEPDXF 1-2 Weeks $144.60
TC1847627/814UNF17.0125.050.018.014.517.0420.5STEPDXF 1-2 Weeks $166.80
TC184802112UNF20.0140.054.018.014.517.0423.25STEPDXF 1-2 Weeks $214.20

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  • Overview
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Product Description

YG-1 TC184 UNF spiral flute machine taps are bright-finish HSS-E taps for steel. R40 spiral flutes support blind-hole threading through special flute geometry and chip evacuation. Special flute geometry promotes effective chip evacuation when cutting UNF threads in blind holes. The range covers #4–48 UNF through 1–12 UNF thread sizes. Sizes from #4 to 3/8 use DIN 371, while larger listed sizes use DIN 374. The 2.5×D hole type supports the specified blind-hole tapping application. TC184 is recommended for non-alloy, low-alloy and high-alloy steels, plus selected tool steels. Choose the required thread size from thirteen listed UNF options for compatible threaded components.

  • Bright-finish HSS-E UNF spiral flute machine taps
  • R40 spiral flutes for blind-hole tapping
  • Special flute geometry supports chip evacuation
  • 2.5×D hole type
  • DIN 371 sizes from #4 to 3/8
  • DIN 374 larger listed sizes
Product Data
Chamfer Lead Form C
Hole Type Blind
Spiral Flute Angle 40°
Surface Treatment Bright
Thread Angle 60°
Thread Class 2B
Thread Shape UNF
Tool Material HSS-E
Tool Standard 371/374
EDP No. Size TPI Thread Length Overall Length Neck Length Shank Diameter Square Size Square Length No. of Flute TC184182 #4 48 6 56 18 3.5 2.7 6 3 TC184222 #5 44 7 56 18 3.5 2.7 6 3 TC184262 #6 40 7 56 20 4 3 6 3 TC184302 #8 36 8 63 21 4.5 3.4 6 3 TC184342 #10 32 10 70 25 6 4.9 8 3 TC184382 #12 28 10 80 30 6 4.9 8 3 TC184422 1/4 28 10 80 30 7 5.5 8 3 TC184462 5/16 24 10 90 35 8 6.2 9 3 TC184502 3/8 24 10 100 39 9 7 10 3 TC184542 7/16 20 13 100 40 8 6.2 9 3 TC184582 1/2 20 13 100 40 9 7 10 3 TC184622 9/16 18 15 100 40 11 9 12 3 TC184662 5/8 18 15 100 40 12 9 12 3 TC184722 3/4 16 17 110 44 14 11 14 4 TC184762 7/8 14 17 125 50 18 14.5 17 4 TC184802 1" 12 20 140 54 18 14.5 17 4 TC184842 1-1/8 12 22 150 60 22 18 21 4

Work materials

VDI 3323 recommendations for this tool.

ExcellentGood

Steel

9 grades
Non-alloy steel
ExcellentVDI 5
GoodVDI 2–4
Low-alloy steel
ExcellentVDI 8–9
GoodVDI 6–7
High-alloy and tool steel
GoodVDI 10

Superalloys & titanium

2 grades
Heat-resistant superalloys
GoodVDI 31
Titanium alloys
GoodVDI 36

Stainless steel

1 grade
Stainless steel
GoodVDI 14
VDI grade reference12 grades

Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.

Recommended VDI grades and nominal hardness references
VDIWork materialRecommendationHB ref.HRC ref.
2PNon-alloy steelGood19013
3PNon-alloy steelGood25025
4PNon-alloy steelGood27028
5PNon-alloy steelExcellent30032
6PLow-alloy steelGood18010
7PLow-alloy steelGood27529
8PLow-alloy steelExcellent30032
9PLow-alloy steelExcellent35038
10PHigh-alloy and tool steelGood20015
14MStainless steelGood18010
31SHeat-resistant superalloysGood20015
36STitanium alloysGood--

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.

EDP No. Size TPI Thread Length Overall Length Neck Length Shank Diameter Square Size Square Length No. of Flute TC184182 #4 48 6 56 18 3.5 2.7 6 3 TC184222 #5 44 7 56 18 3.5 2.7 6 3 TC184262 #6 40 7 56 20 4 3 6 3 TC184302 #8 36 8 63 21 4.5 3.4 6 3 TC184342 #10 32 10 70 25 6 4.9 8 3 TC184382 #12 28 10 80 30 6 4.9 8 3 TC184422 1/4 28 10 80 30 7 5.5 8 3 TC184462 5/16 24 10 90 35 8 6.2 9 3 TC184502 3/8 24 10 100 39 9 7 10 3 TC184542 7/16 20 13 100 40 8 6.2 9 3 TC184582 1/2 20 13 100 40 9 7 10 3 TC184622 9/16 18 15 100 40 11 9 12 3 TC184662 5/8 18 15 100 40 12 9 12 3 TC184722 3/4 16 17 110 44 14 11 14 4 TC184762 7/8 14 17 125 50 18 14.5 17 4 TC184802 1" 12 20 140 54 18 14.5 17 4 TC184842 1-1/8 12 22 150 60 22 18 21 4

YG Tap Steel

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