Jobber drill with stepped tip HSS-E Stainless steel, uncoated, ⌀ DC h8: 6,8mm

Article no.: 409550 Catalog no.: 114008
Price per 1 Piece
Net price: CHF 12.30

Scale prices:

  • from 1 Piece
    CHF 13.30 / 1 Piece
  • from 10 Piece
    CHF 11.08 / 1 Piece
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⌀ DC h8 (mm) Price per 1 Piece (incl. VAT)

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Product details

Technical Data

Through-coolant no
Entry of cooling lubricant without cooling lubricant entry
Escape of cooling lubricant without cooling lubricant exit
Cooling lubricant yes
Interface position on the machine
Holder type Plain shank
Interface coding ZYL00685005
Holder version metric
Holder size, metric 0068 mm
Shank diameter 6.8 mm
Shank length 40 mm
Shank type HE
Cutter diameter, min. 6.8 mm
Cutter diameter, max. 6.8 mm
Configurable no
Tolerance of cutter diameter tolerance class ISO
Tolerance class ISO h8
Flute length 69 mm
Distance from cutter corner to cutter tip 0.9 mm
Number of teeth 2
Twist direction right-hand
Helix angle, min. 38 degrees
Helix pitch 27.3 mm
Angle, 1st step 118 degrees
Point geometry C
Product designation (type) INOX
Tool material HSS-E
Machining group K (cast iron); M (stainless steel); N (non-ferrous metals); P (steel); S (difficult-to-machine materials)
Cutting media, manufacturer’s designation HSS
Coating tempered
Interface joint 1
Gauge length 74 mm
Usable length 63 mm
Overall length 109 mm
Functional length 108.1 mm
Weight 21 g
Cutting direction right-hand cutting
Tool version solid steel
Standard DIN 338
Data carriers without data carrier
Machining method drilling into solid material
Colour ring blue
Type of product indexable drill
Content single part

Identification & Classification

Article number 409550
Catalog number 114008
EAN / GTIN 4062406877125
Manufacturer number 114008 6,8
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Alu plastics
N
70
Aluminium (short chipping)
N
70
Alu > 10% Si
N
50
Steel < 500 N/mm²
P
35
Steel < 750 N/mm²
P
32
Steel < 900 N/mm²
P
25
Steel < 1100 N/mm²
P
15
INOX < 900 N/mm²
M
14
INOX > 900 N/mm²
M
12
GG(G)
K
30
CuZn
N
50
Oil
 
wet maximum
 

Description

Version:

Chamfers are nitrided. Particularly sturdy and robust due to the strengthened core diameter. Ground flutes, with high concentricity. Precision ground point. Three drive flats on the shank for use in a 3-jaw chuck.
  • Ideal for producing precise holes in sheet metal, pipes, and profiles.
  • Reliable spot drilling without centring or centre punching – even on curved surfaces – thanks to innovative ground point.
  • Oblique drilling possible without any problems after the first level of the drill tip has penetrated the material.
  • Drilling with significantly less force required than with conventional DIN338 HSS drills – up to a diameter of 13 mm directly in the cordless drill/driver.
  • Stable and secure form fit in the 3-jaw chuck.
  • General use across a wide spectrum of materials including plastic, wood and acrylic without tearing or splintering.
  • The drill does not rattle or dig in – even in the case of thin-walled materials.
  • Burr-free drill exit.
  • Ideal for drilling out bolts and rivets.

With special cutter geometry also for use in stainless steels.

Recommendation:

Maximum drilling depth:
L2 = LC - 1.5 × DC.

Note:

Drill with plain shank and 3 drive flats.

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