(TB312) HSS-E (M35) Metric Spiral Flute for Steel

HSS-E spiral flute taps for steel blind holes

(TB312) HSS-E (M35) Metric Spiral Flute for Steel
$65.89 INC GST $59.90 EX GST
SKU
TB312606
Work materials
PMS

Key features

  • HSS-E M35 material with steam oxide treatment
  • R40 spiral flute for blind-hole chip evacuation
  • C chamfer lead and 6H thread class
Tool material HSS-E
Surface treatment Steam Homo
Size
Pitch (mm)
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Blind-hole chip control

The R40 spiral flute supports chip evacuation for controlled blind-hole threading.

Metric thread specification

C chamfer lead and 6H thread class suit metric coarse-thread tapping requirements.

Useful size coverage

Listed options cover M16 × 2.0, M20 × 2.5 and M24 × 3.0 threads.

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
TB312606M162.020.0110.044.012.09.012.0314.0STEPDXF 1-2 Weeks $59.90
TB312706M202.525.0140.054.016.012.015.0417.5STEPDXF Low stock $96.30
TB312786M243.030.0160.060.018.014.517.0421.0STEPDXF Low stock $130.00

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Product Description

YG-1 TB312 HSS-E (M35) metric spiral flute machine taps feature steam oxide treatment for blind-hole steel threading. The R40 spiral flute supports chip evacuation during controlled thread production in blind holes. These metric coarse-thread taps have a C chamfer lead and 6H thread class. DIN 371 and DIN 376 dimensions support machine tapping across the listed thread sizes. The listed range includes M16 × 2.0, M20 × 2.5 and M24 × 3.0 variants. Each listed variant is specified for hole depths up to 2.5×D. For steel machining, this series provides a dedicated HSS-E spiral flute tapping format.

  • HSS-E M35 material with steam oxide treatment
  • R40 spiral flute for blind-hole chip evacuation
  • C chamfer lead and 6H thread class
  • DIN 371 and DIN 376 machine tap standards
  • Specified for blind holes up to 2.5×D
  • M16 × 2.0 to M24 × 3.0 listed range
Product Data
Chamfer Lead Form C
Hole Type Blind
Spiral Flute Angle 40°
Standard DIN 371 / 376
Surface Treatment Steam Homo
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 TB312136 M2 0.4 8 45 13 2.8 2.1 5 3 TB312156 M2.2 0.45 8 45 13 2.8 2.1 5 3 TB312176 M2.5 0.45 9 50 15 2.8 2.1 5 3 TB312196 M2.3 0.4 8 45 13 2.8 2.1 5 3 TB312206 M3 0.5 6 56 18 3.5 2.7 6 3 TB312226 M3.5 0.6 7 56 20 4 3 6 3 TB312246 M4 0.7 7 63 21 4.5 3.4 6 3 TB312266 M4.5 0.75 8 70 25 6 4.9 8 3 TB312286 M5 0.8 8 70 25 6 4.9 8 3 TB312316 M6 1 10 80 30 6 4.9 8 3 TB312346 M7 1 10 80 30 7 5.5 8 3 TB312366 M8 1.25 13 90 35 8 6.2 9 3 TB312396 M9 1.25 13 90 35 9 7 10 3 TB312426 M10 1.5 15 100 39 10 8 11 3 TB312466 M11 1.5 17 100 40 8 6.2 9 3 TB312496 M2.6 0.45 9 50 15 2.8 2.1 5 3 TB312506 M12 1.75 18 110 44 9 7 10 3 TB312546 M14 2 20 110 44 11 9 12 3 TB312606 M16 2 20 110 44 12 9 12 3 TB312656 M18 2.5 25 125 50 14 11 14 4 TB312706 M20 2.5 25 140 54 16 12 15 4 TB312746 M22 2.5 25 140 54 18 14.5 17 4 TB312786 M24 3 30 160 60 18 14.5 17 4 TB312866 M27 3 30 160 60 20 16 19 4 TB312946 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 TB312136 M2 0.4 8 45 13 2.8 2.1 5 3 TB312156 M2.2 0.45 8 45 13 2.8 2.1 5 3 TB312176 M2.5 0.45 9 50 15 2.8 2.1 5 3 TB312196 M2.3 0.4 8 45 13 2.8 2.1 5 3 TB312206 M3 0.5 6 56 18 3.5 2.7 6 3 TB312226 M3.5 0.6 7 56 20 4 3 6 3 TB312246 M4 0.7 7 63 21 4.5 3.4 6 3 TB312266 M4.5 0.75 8 70 25 6 4.9 8 3 TB312286 M5 0.8 8 70 25 6 4.9 8 3 TB312316 M6 1 10 80 30 6 4.9 8 3 TB312346 M7 1 10 80 30 7 5.5 8 3 TB312366 M8 1.25 13 90 35 8 6.2 9 3 TB312396 M9 1.25 13 90 35 9 7 10 3 TB312426 M10 1.5 15 100 39 10 8 11 3 TB312466 M11 1.5 17 100 40 8 6.2 9 3 TB312496 M2.6 0.45 9 50 15 2.8 2.1 5 3 TB312506 M12 1.75 18 110 44 9 7 10 3 TB312546 M14 2 20 110 44 11 9 12 3 TB312606 M16 2 20 110 44 12 9 12 3 TB312656 M18 2.5 25 125 50 14 11 14 4 TB312706 M20 2.5 25 140 54 16 12 15 4 TB312746 M22 2.5 25 140 54 18 14.5 17 4 TB312786 M24 3 30 160 60 18 14.5 17 4 TB312866 M27 3 30 160 60 20 16 19 4 TB312946 M30 3.5 35 180 70 22 18 21 4

YG Tap Steel

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