Solid carbide jobber drill, uncoated, ⌀ DC h7: 8,7mm

Article no.: 233258 Catalog no.: 122250
Price per 1 Piece
Net price: CHF 80.61
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⌀ DC h7 (mm) Price per 1 Piece (incl. VAT)

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Product details

Technical Data

Through-coolant no
Cooling lubricant no
Interface position on the machine
Holder type Plain shank
Interface coding ZYL00870105
Holder shape Standard
Holder version dimensionless nominal size without cooling
Holder size, no dimensions 0087
Holder tolerance class h7
Shank diameter 8.7 mm
Shank length 44 mm
Cutter diameter, min. 8.7 mm
Cutter diameter, max. 8.7 mm
Configurable no
Tolerance of cutter diameter tolerance class ISO
Tolerance class ISO h7
Flute length 81 mm
Number of teeth 2
Twist direction right-hand
Helix angle, min. 32 degrees
Angle, 1st step 118 degrees
Product designation (type) N
Tool material solid carbide
Coating uncoated
Interface joint 1
Gauge length 86 mm
Usable length 71 mm
Overall length 125 mm
Functional length 122.3 mm
Weight 73 g
Cutting direction right-hand cutting
Tool version solid carbide
Standard DIN 338
Machining method drilling into solid material
Colour ring without
Type of product indexable drill
Content single part

Identification & Classification

Article number 233258
Catalog number 122250
EAN / GTIN 4045197042026
Manufacturer number 122250 8,7
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Alu plastics
N
200
Aluminium (short chipping)
N
140
Alu > 10% Si
N
140
Steel < 500 N/mm²
P
70
Steel < 750 N/mm²
P
70
Steel < 900 N/mm²
P
60
Steel < 1100 N/mm²
P
40
Steel < 1400 N/mm²
P
25
INOX < 900 N/mm²
M
20
INOX > 900 N/mm²
M
20
Ti > 850 N/mm²
S
15
CuZn
N
140
Uni
 
Oil
 
wet maximum
 
dry
 

Description

Version:

Similar to DIN 338.
Nominal ⌀ and shank ⌀ equal.

Note:

Flute length LC = L2 + 1.5 × DC.
Non slip clamping in drill chuck No. 341050 with diamond coated jaws.

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