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Solid carbide NC spotting drill 142° extra long spiral flutes, TiAlN, ⌀ DC h6: 4mm

Article no.: 691658 Catalog no.: 121121
Price per 1 Piece
Net price: CHF 58.00
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⌀ DC h6 (mm) Price per 1 Piece (incl. VAT)

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Product details

Identification & Classification

Article number 691658
Catalog number 121121
EAN / GTIN 4062406120832
Manufacturer number 121121 4
Article class 11E
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Alu plastics
N
260
Aluminium (short chipping)
N
240
Alu > 10% Si
N
200
Steel < 500 N/mm²
P
90
Steel < 750 N/mm²
P
80
Steel < 900 N/mm²
P
65
Steel < 1100 N/mm²
P
55
INOX < 900 N/mm²
M
35
INOX > 900 N/mm²
M
30
Ti > 850 N/mm²
S
40
GG(G)
K
90
CuZn
N
200
Uni
 
Oil
 
wet maximum
 
dry
 

Description

Version:

Exactly central ground point. Easy spot drilling and high shape accuracy of the centre hole. Sturdy due to short flutes.
Extra long version.

Application:

Point angle 142° so that the cutting edges of the following twist drill engage easily.

Note:

Use the speed for the actual hole ⌀ (not generally the speed for the drill outer ⌀).
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 121120.
Form HE: order with No. 121121 + 129100 HE.

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