(TC170) HSS-E (M35) UNF Spiral Flute for Aluminum

UNF spiral flute taps for aluminium blind holes

(TC170) HSS-E (M35) UNF Spiral Flute for Aluminum
$36.63 INC GST $33.30 EX GST
SKU
TC170382
Work materials
PN

Key features

  • R45 spiral flute supports chip evacuation in blind holes
  • HSS-E tap with bright surface treatment
  • UNF Unified Fine thread with 60° thread angle
Tool material HSS-E
Surface treatment Bright
Size
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Blind-hole ready

R45 spiral flute geometry supports chip evacuation for blind-hole threading operations

Aluminium focused

Designed for aluminium wrought alloys and specified alloyed cast aluminium groups

UNF size coverage

Covers supplied UNF sizes from #5-44 through to 3/4-16

SKUSizeThread 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
TC170382#1210.080.030.06.04.98.024.7STEPDXF 1-2 Weeks $33.30
TC170342#1010.070.025.06.04.98.024.1STEPDXF 1-2 Weeks $33.80
TC170302#88.063.021.04.53.46.023.5STEPDXF 1-2 Weeks $33.30
TC170222#57.056.018.03.52.76.022.7STEPDXF 1-2 Weeks $33.30
TC1704221/410.080.030.07.05.58.025.5STEPDXF 1-2 Weeks $33.30
TC1704625/1610.090.035.08.06.29.026.9STEPDXF 1-2 Weeks $36.30
TC1705427/1613.0100.040.08.06.29.029.9STEPDXF 1-2 Weeks $77.40
TC1706229/1615.0100.040.011.09.012.0312.9STEPDXF 1-2 Weeks $86.90
TC1706625/815.0100.040.012.09.012.0314.5STEPDXF 1-2 Weeks $110.50
TC1707223/417.0110.044.014.011.014.0317.5STEPDXF 1-2 Weeks $159.00

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Product Description

YG-1 TC170 HSS-E (M35) UNF spiral flute machine taps feature a bright finish for blind-hole threading. They are designed for tapping blind holes in aluminium wrought alloys and alloyed cast aluminium. The R45 spiral flute geometry supports chip evacuation during blind-hole threading operations. HSS-E construction, bright surface treatment, C thread form and 2B class define the series. A 60° thread angle supports UNF Unified Fine thread requirements. The available range runs from #5-44 UNF to 3/4-16 UNF. DIN 371 applies to smaller sizes, while DIN 374 covers the larger listed sizes. The manufacturer rates designated aluminium wrought and cast alloy groups as excellent.

  • R45 spiral flute supports chip evacuation in blind holes
  • HSS-E tap with bright surface treatment
  • UNF Unified Fine thread with 60° thread angle
  • C thread form and 2B thread class
  • Sizes from #5-44 UNF to 3/4-16 UNF
  • DIN 371 and DIN 374 dimensional standards
Product Data
Chamfer Lead Form C
Hole Type Blind
Spiral Flute Angle 45°
Surface Treatment Bright
Thread Angle 60°
Thread Class 2B
Thread Shape UNF
Tool Material HSS-E
Tool Standard 371/374

Work materials

VDI 3323 recommendations for this tool.

ExcellentGood

Steel

3 grades
Non-alloy steel
GoodVDI 1–3

Non-ferrous materials

5 grades
Wrought aluminium
ExcellentVDI 21–22
Cast aluminium
ExcellentVDI 23–24
Copper, bronze and brass
GoodVDI 27
VDI grade reference8 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.
1PNon-alloy steelGood125-
2PNon-alloy steelGood19013
3PNon-alloy steelGood25025
21NWrought aluminiumExcellent60-
22NWrought aluminiumExcellent100-
23NCast aluminiumExcellent75-
24NCast aluminiumExcellent90-
27NCopper, bronze and brassGood90-

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.

All YG-1

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