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Blind hole machine tap 4-40 HOLEX

Article no.: 137862 4-40

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UNC Unit price incl. VAT

Availability

  • Thread type: UNC
  • Flank angle: 60
  • Tool material: HSS E
  • Standard: DIN 371
  • Tolerance class: 2B

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Product details

Technical Data

Thread size 4-40 UNC
Coating uncoated
Thread type UNC
Flank angle 60 degrees
Tool material HSS E
Standard DIN 371
Tolerance class 2B
Taper lead form C
Helix angle 15 degrees
Shank Plain shank with h9
Through-coolant no
Application for type of drilling up to 2×D for blind holes
Cutting direction right-hand
Thread pitch 0,635 mm
Threads per inch 40
Thread ⌀ 2,84 mm
Overall length L 56 mm
Shank ⌀ Ds 3,5 mm
Shank square □ 2,7 mm
Tapping hole ⌀ 2,35 mm
Type of threading tool Machine tap for conventional machining
Number of clamping slots 3
Colour ring without
Number of cutting edges Z 3
Thread depth 5,7 mm
Type of product Tap

Identification & Classification

Article number 137862 4-40
EAN / GTIN 4045197594860
Manufacturer number 137862 4-40
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Deutschland, www.hoffmann-group.com

Application Table

Aluminium (short chipping)
N
13
Steel < 500 N/mm²
P
15
Steel < 750 N/mm²
P
15
Oil
 
wet maximum
 

Description

Version:

Sturdy design, with right-hand chip flutes.
HSS-E

Application:

For UNC uniform coarse threads ASME − B1.1.

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