Blind hole machine tap 1/4-20 GARANT

Article no.: 137860 1/4-20
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126 pieces in stock

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  • Gewindeart: UNC
  • Flank angle: 60
  • Schneidstoff: HSS E
  • Standard: DIN 371
  • Toleranzklasse: 2B

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Product details

Technical Data

Gewindegröße 1/4-20 UNC
Beschichtung uncoated
Gewindeart UNC
Flank angle 60 degrees
Schneidstoff HSS E
Standard DIN 371
Toleranzklasse 2B
Taper lead form C
Spiralwinkel 20 degrees
Schaft Plain shank with h9
Innenkühlung no
Application for type of drilling up to 2×D for blind holes
Schneidrichtung right-hand
Gewindesteigung 1,27 mm
Gänge pro Zoll 20
Thread ⌀ 6,35 mm
Overall length L 80 mm
Shank ⌀ Ds 7 mm
Shank square □ 5,5 mm
Tapping hole ⌀ 5,1 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 12,7 mm
Type of product Tap

Identification & Classification

Article number 137860 1/4-20
EAN / GTIN 4045197080189
Manufacturer number 137860 1/4-20
Manufacturer 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 20° right-hand chip flutes.
HSS-E

Application:

For UNC uniform coarse threads ASME − B1.1.

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