(TC424) HSS-E (M35) UNC Gun Point for General Purpose

UNC Bright-Finish Gun Tap

YG-1 TC424 official product photograph · transparent
$16.94 INC GST $15.40 EX GST
SKU
TC424402
Work materials
PMKN

Key features

  • UNC Universal Machine Tap
  • HSS-E (M35) 5% Cobalt substrate
  • Spiral flute geometry for blind holes
Tool material HSS-E
Surface treatment Bright
Size
TPI
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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
TC4244021/420UNC17.080.030.07.05.58.035.2STEPDXF 1-2 Weeks $15.40
TC4244823/816UNC22.0100.039.09.07.010.038.0STEPDXF 1-2 Weeks $24.00
TC4245227/1614UNC22.0100.040.08.06.29.039.4STEPDXF 1-2 Weeks $32.40
TC4245621/213UNC25.0110.044.09.07.010.0310.75STEPDXF Low stock $32.40
TC4246425/811UNC27.0110.044.012.09.012.0313.5STEPDXF 1-2 Weeks $50.80

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  • Overview
  • Specifications
  • Operation
  • Work Material
  • Reviews
Product Description

TC424 DIN371/DIN376 Spiral Flute Bright tap provides precise UNC threading for general purpose use. Made from HSS-E (M35) 5% Cobalt for strength and wear resistance, with a bright finish that reduces swarf adhesion. Spiral flute geometry is ideal for blind or shallow holes, and YG-1’s patented design prevents over feeding and early tap failure.

  • UNC Universal Machine Tap
  • HSS-E (M35) 5% Cobalt substrate
  • Spiral flute geometry for blind holes
  • Bright finish resists swarf buildup
  • Suitable for steel, stainless, cast iron, aluminium, non-ferrous
Product Data
Workpiece Material P K N H
Chamfer Lead Form C
Hole Type Blind, Through
Operation Blind Drilling, Through Drilling
Standard DIN 371 / 376, DIN 371-376
Surface Treatment Bright
Thread Angle 60
Thread Class 2B
Thread Form C
Thread Shape UNC
Tool Material HSS-E
Tool Standard DIN 371-376
EDP No. Size TPI Thread Length Overall Length Neck Length Shank Diameter Square Size Square Length No. of Flute TC424162 #4 40 11 56 18 3.5 2.7 6 3 TC424202 #5 40 11 56 18 3.5 2.7 6 3 TC424242 #6 32 12 56 20 4 3 6 3 TC424282 #8 32 13 63 21 4.5 3.4 6 3 TC424322 #10 24 15 70 25 6 4.9 8 3 TC424362 #12 24 16 80 30 6 4.9 8 3 TC424402 1/4 20 17 80 30 7 5.5 8 3 TC424442 5/16 18 20 90 35 8 6.2 9 3 TC424482 3/8 16 22 100 39 9 7 10 3 TC424522 7/16 14 22 100 40 8 6.2 9 3 TC424562 1/2 13 25 110 44 9 7 10 3 TC424602 9/16 12 26 110 44 11 9 12 3 TC424642 5/8 11 27 110 44 12 9 12 3 TC424702 3/4 10 30 125 50 14 11 14 4 TC424742 7/8 9 32 140 54 18 14.5 17 4 TC424782 1" 8 36 160 60 20 16 19 4 TC424822 1-1/8 7 40 180 70 22 18 21 4
Blind Drilling
Through Drilling

Work materials

VDI 3323 recommendations for this tool.

ExcellentGood

Steel

8 grades
Non-alloy steel
GoodVDI 1–5
Low-alloy steel
GoodVDI 6–8

Cast iron

4 grades
Grey cast iron
GoodVDI 15–16
Nodular cast iron
GoodVDI 17–18

Stainless steel

2 grades
Stainless steel
GoodVDI 12–13

Non-ferrous materials

3 grades
Cast aluminium
GoodVDI 25
Copper, bronze and brass
GoodVDI 26–27
VDI grade reference17 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
4PNon-alloy steelGood27028
5PNon-alloy steelGood30032
6PLow-alloy steelGood18010
7PLow-alloy steelGood27529
8PLow-alloy steelGood30032
12MStainless steelGood20015
13MStainless steelGood24023
15KGrey cast ironGood18010
16KGrey cast ironGood26026
17KNodular cast ironGood1603
18KNodular cast ironGood25025
25NCast aluminiumGood130-
26NCopper, bronze and brassGood110-
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.

EDP No. Size TPI Thread Length Overall Length Neck Length Shank Diameter Square Size Square Length No. of Flute TC424162 #4 40 11 56 18 3.5 2.7 6 3 TC424202 #5 40 11 56 18 3.5 2.7 6 3 TC424242 #6 32 12 56 20 4 3 6 3 TC424282 #8 32 13 63 21 4.5 3.4 6 3 TC424322 #10 24 15 70 25 6 4.9 8 3 TC424362 #12 24 16 80 30 6 4.9 8 3 TC424402 1/4 20 17 80 30 7 5.5 8 3 TC424442 5/16 18 20 90 35 8 6.2 9 3 TC424482 3/8 16 22 100 39 9 7 10 3 TC424522 7/16 14 22 100 40 8 6.2 9 3 TC424562 1/2 13 25 110 44 9 7 10 3 TC424602 9/16 12 26 110 44 11 9 12 3 TC424642 5/8 11 27 110 44 12 9 12 3 TC424702 3/4 10 30 125 50 14 11 14 4 TC424742 7/8 9 32 140 54 18 14.5 17 4 TC424782 1" 8 36 160 60 20 16 19 4 TC424822 1-1/8 7 40 180 70 22 18 21 4

YG Tap General

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