(TC312) HSS-E (M35) Metric Spiral Flute for Steel

HSS-E Metric Spiral Flute Taps for Blind Holes

(TC312) HSS-E (M35) Metric Spiral Flute for Steel
$19.36 INC GST $17.60 EX GST
SKU
TC312136
Work materials
PMS

Key features

  • HSS-E M35 metric spiral flute machine taps for steel
  • Bright finish with spiral flute geometry for blind holes
  • DIN 371 and DIN 376 dimensional standard
Tool material HSS-E
Surface treatment Bright
Size
Pitch (mm)
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Blind-hole capability

Spiral flute geometry supports chip evacuation when machine tapping blind internal threads.

Metric size coverage

Selected variants cover practical metric thread sizes from M2 × 0.4 through M27 × 3.

Standardised dimensions

DIN 371 and DIN 376 dimensions support established machine-tapping applications.

SKUSizePitch (mm)Thread 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
TC312136M20.48.045.013.02.82.15.031.6STEPDXF Low stock $17.60
TC312206M30.56.056.018.03.52.76.032.5STEPDXF Low stock $17.10
TC312246M40.77.063.021.04.53.46.033.3STEPDXF 1-2 Weeks $24.10
TC312316M61.010.080.030.06.04.98.035.0STEPDXF Restocking $26.20
TC312366M81.2513.090.035.08.06.29.036.8STEPDXF In stock $29.00
TC312426M101.515.0100.039.010.08.011.038.5STEPDXF In stock $35.20
TC312506M121.7518.0110.044.09.07.010.0310.2STEPDXF In stock $49.20
TC312546M142.020.0110.044.011.09.012.0312.0STEPDXF 1-2 Weeks $55.40
TC312606M162.020.0110.044.012.09.012.0314.0STEPDXF Low stock $59.90
TC312866M273.030.0160.060.020.016.019.0424.0STEPDXF 1-2 Weeks $282.70

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  • Overview
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Product Description

YG-1 TC312 HSS-E (M35) metric spiral flute machine taps are bright-finish steel taps for blind holes. Designed for machine tapping, their spiral flute geometry provides chip evacuation during blind-hole thread production. The TC312 family follows DIN 371 and DIN 376 dimensions for metric internal-thread work. Available selected sizes extend from M2 × 0.4 to M27 × 3 metric pitch.

Common supplied options include M3, M4, M6, M8, M10, M12, M14 and M16. Three flutes apply through M16, while the M27 variant has four flutes. Thread lengths span 8–30 mm and overall lengths span 45–160 mm. Select the thread size and pitch required for the intended steel component.

  • HSS-E M35 metric spiral flute machine taps for steel
  • Bright finish with spiral flute geometry for blind holes
  • DIN 371 and DIN 376 dimensional standard
  • Selected metric sizes from M2 × 0.4 to M27 × 3
  • Three flutes through M16 with four flutes on M27
  • Thread lengths from 8–30 mm and overall lengths from 45–160 mm
Product Data
Chamfer Lead Form C
Hole Type Blind
Spiral Flute Angle 40°
Standard DIN 371 / 376
Surface Treatment Bright
Thread Angle 60°
Thread Class 6H
Thread Shape M
Tool Material HSS-E
EDP No. Size Pitch Thread Length Overall Length Neck Length Shank Diameter Square Size Square Length No. of Flute TC312136 M2 0.4 8 45 13 2.8 2.1 5 3 TC312156 M2.2 0.45 8 45 13 2.8 2.1 5 3 TC312176 M2.5 0.45 9 50 15 2.8 2.1 5 3 TC312196 M2.3 0.4 8 45 13 2.8 2.1 5 3 TC312206 M3 0.5 6 56 18 3.5 2.7 6 3 TC312226 M3.5 0.6 7 56 20 4 3 6 3 TC312246 M4 0.7 7 63 21 4.5 3.4 6 3 TC312266 M4.5 0.75 8 70 25 6 4.9 8 3 TC312286 M5 0.8 8 70 25 6 4.9 8 3 TC312316 M6 1 10 80 30 6 4.9 8 3 TC312346 M7 1 10 80 30 7 5.5 8 3 TC312366 M8 1.25 13 90 35 8 6.2 9 3 TC312396 M9 1.25 13 90 35 9 7 10 3 TC312426 M10 1.5 15 100 39 10 8 11 3 TC312466 M11 1.5 17 100 40 8 6.2 9 3 TC312496 M2.6 0.45 9 50 15 2.8 2.1 5 3 TC312506 M12 1.75 18 110 44 9 7 10 3 TC312546 M14 2 20 110 44 11 9 12 3 TC312606 M16 2 20 110 44 12 9 12 3 TC312656 M18 2.5 25 125 50 14 11 14 4 TC312706 M20 2.5 25 140 54 16 12 15 4 TC312746 M22 2.5 25 140 54 18 14.5 17 4 TC312786 M24 3 30 160 60 18 14.5 17 4 TC312866 M27 3 30 160 60 20 16 19 4 TC312946 M30 3.5 35 180 70 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 Pitch Thread Length Overall Length Neck Length Shank Diameter Square Size Square Length No. of Flute TC312136 M2 0.4 8 45 13 2.8 2.1 5 3 TC312156 M2.2 0.45 8 45 13 2.8 2.1 5 3 TC312176 M2.5 0.45 9 50 15 2.8 2.1 5 3 TC312196 M2.3 0.4 8 45 13 2.8 2.1 5 3 TC312206 M3 0.5 6 56 18 3.5 2.7 6 3 TC312226 M3.5 0.6 7 56 20 4 3 6 3 TC312246 M4 0.7 7 63 21 4.5 3.4 6 3 TC312266 M4.5 0.75 8 70 25 6 4.9 8 3 TC312286 M5 0.8 8 70 25 6 4.9 8 3 TC312316 M6 1 10 80 30 6 4.9 8 3 TC312346 M7 1 10 80 30 7 5.5 8 3 TC312366 M8 1.25 13 90 35 8 6.2 9 3 TC312396 M9 1.25 13 90 35 9 7 10 3 TC312426 M10 1.5 15 100 39 10 8 11 3 TC312466 M11 1.5 17 100 40 8 6.2 9 3 TC312496 M2.6 0.45 9 50 15 2.8 2.1 5 3 TC312506 M12 1.75 18 110 44 9 7 10 3 TC312546 M14 2 20 110 44 11 9 12 3 TC312606 M16 2 20 110 44 12 9 12 3 TC312656 M18 2.5 25 125 50 14 11 14 4 TC312706 M20 2.5 25 140 54 16 12 15 4 TC312746 M22 2.5 25 140 54 18 14.5 17 4 TC312786 M24 3 30 160 60 18 14.5 17 4 TC312866 M27 3 30 160 60 20 16 19 4 TC312946 M30 3.5 35 180 70 22 18 21 4

YG Tap Steel

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