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HOLEX Clever Tap machine tap, uncoated, UNC: 4-40

Article no.: 2018181 Catalog no.: 137868
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Net price: CHF 12.15
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Product details

Technical Data

Through-coolant no
Cooling lubricant yes
Series Clever Tap
Manufacturer’s designation HOLEX Clever Tap Maschinen-Gewindebohrer
Interface position on the machine
Holder type plain shank
Shank diameter DS 3.5 mm
Length of shank LS 38 mm
Thread type UNC
Cutter diameter D 2.84 mm
Nominal diameter of inch thread D 0.112 in
Thread D UNC4-40
Thread pitch 0.635 mm
Turns per inch 40
Thread tolerance class 2B
Chisel edge diameter 2.1 mm
Length of tapping part Lc 8.33 mm
Tap infeed length 1.58 mm
Taper lead angle 15 degrees
Number of teeth 3
Twist direction right-hand
Twist angle 40 degrees
Helical pitch 40 mm
Type of thread-cutting tool machine tap for conventional machining
Taper lead form C
Application for type of drilling blind hole
To depth (x diameter) 2.5
Number of clamping slots 3
Core hole diameter 2.35 mm
Flank angle 60 degrees
Stepped shank no
Square-drive width across flats □ 2.7 mm
Tool material HSS-E
Machining group P (steel)
Cutting media, manufacturer’s designation HSS-E
Coating uncoated
Interface joint 1
Gauge length A 57.5 mm
Overall length L 56 mm
Weight 3 g
Cutting direction right-hand cutting
Standard DIN 371
Data carriers without data carrier
Machining method thread processing internal (EGI)
Colour ring without
Type of product taps

Identification & Classification

Article number 2018181
Catalog number 137868
EAN / GTIN 4067263161455
Manufacturer number 137868 4-40
Article class 12H
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Aluminium
N
13
Aluminium (short chipping)
N
13
Steel < 500 N/mm²
P
12
Steel < 750 N/mm²
P
12
Steel < 900 N/mm²
P
6
Oil
 
wet maximum
 

Description

Version:

HSS-E

Application:

For UNC uniform coarse threads ASME − B1.1.

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