(TC134) HSS-E (M35) BSW Spiral Flute Tap

Bright HSS-E BSW spiral flute tap for blind holes

YG-1 TC134 series illustration · transparent
$18.26 INC GST $16.60 EX GST
SKU
TC134200
Work materials
PMKN

Key features

  • Bright HSS-E spiral flute machine tap for Whitworth BSW threads
  • Special flute geometry supports excellent chip evacuation in blind holes
  • 2.5×D blind-hole capacity
Tool material HSS-E
Surface treatment Bright
Size
TPI
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Blind-hole chip control

Special flute geometry promotes excellent chip evacuation for blind-hole tapping work.

Whitworth BSW range

Covers BSW thread sizes from W1/8–40 through W1-1/8–7.

Defined tapping data

Specified tapping drills and DIN standards support practical tool selection.

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
TC134200W1/8407.056.018.03.52.76.032.5STEPDXF In stock $16.60
TC134280W5/32327.063.021.04.53.46.033.1STEPDXF In stock $16.60
TC134320W3/162410.070.025.06.04.98.033.6STEPDXF Restocking $20.80
TC134360W7/322410.080.030.06.04.98.034.4STEPDXF In stock $20.80
TC134400W1/42013.080.030.07.05.58.035.1STEPDXF In stock $20.80
TC134440W5/161814.090.035.08.06.29.036.5STEPDXF In stock $21.40
TC134480W3/81616.0100.039.09.07.010.037.9STEPDXF In stock $29.10
TC134520W7/161417.0100.040.08.06.29.039.3STEPDXF Low stock $34.70
TC134600W9/161220.0110.044.011.09.012.0312.0STEPDXF Low stock $51.50
TC134640W5/81122.0110.040.012.09.012.0313.5STEPDXF Low stock $56.90
TC134700W3/41025.0125.050.014.011.014.0416.5STEPDXF Low stock $118.80
TC134740W7/8927.0140.054.018.014.517.0419.25STEPDXF 1-2 Weeks $147.30
TC134780W1830.0160.060.020.016.019.0422.0STEPDXF Low stock $159.00
TC134820W1-1/8735.0180.065.022.018.021.0424.75STEPDXF 1-2 Weeks $282.70
TC134560W1/212.020.0110.044.09.07.010.0310.7STEPDXF In stock $34.70

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  • Overview
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Product Description

YG-1 TC134 is a bright HSS-E BSW spiral flute machine tap with special flute geometry. It is suitable for tapping blind holes where excellent chip evacuation supports Whitworth BSW internal threads. The TC134 series suits machine tapping applications requiring effective blind-hole chip removal. It covers W1/8–40 through W1-1/8–7 BSW thread sizes, with 2.5×D hole capacity. DIN 2182 applies from W1/8 to W3/8, while larger sizes use DIN 2183. The range includes specified tapping-drill diameters from 2.5 mm to 24.75 mm. Each tap has three or four flutes according to the selected thread size. Thread pitches extend from 40 TPI in W1/8 to 7 TPI in W1-1/8.

  • Bright HSS-E spiral flute machine tap for Whitworth BSW threads
  • Special flute geometry supports excellent chip evacuation in blind holes
  • 2.5×D blind-hole capacity
  • BSW sizes from W1/8–40 to W1-1/8–7
  • DIN 2182 through W3/8 and DIN 2183 from W7/16
  • Specified tapping drills from 2.5 mm to 24.75 mm
Product Data
Chamfer Lead Form C
Hole Type Blind
Spiral Flute Angle 40°
Surface Treatment Bright
Thread Angle 55°
Thread Shape W
Tool Material HSS-E

Work materials

VDI 3323 recommendations for this tool.

ExcellentGood

Steel

8 grades
Non-alloy steel
ExcellentVDI 2–4
GoodVDI 1, 5
Low-alloy steel
ExcellentVDI 6–7
GoodVDI 8

Cast iron

2 grades
Nodular cast iron
ExcellentVDI 17–18

Stainless steel

2 grades
Stainless steel
GoodVDI 12–13

Non-ferrous materials

6 grades
Wrought aluminium
GoodVDI 21
Cast aluminium
ExcellentVDI 25
GoodVDI 23–24
Copper, bronze and brass
ExcellentVDI 28
GoodVDI 26
VDI grade reference18 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 steelExcellent19013
3PNon-alloy steelExcellent25025
4PNon-alloy steelExcellent27028
5PNon-alloy steelGood30032
6PLow-alloy steelExcellent18010
7PLow-alloy steelExcellent27529
8PLow-alloy steelGood30032
12MStainless steelGood20015
13MStainless steelGood24023
17KNodular cast ironExcellent1603
18KNodular cast ironExcellent25025
21NWrought aluminiumGood60-
23NCast aluminiumGood75-
24NCast aluminiumGood90-
25NCast aluminiumExcellent130-
26NCopper, bronze and brassGood110-
28NCopper, bronze and brassExcellent100-

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.

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