Jobber drill with stepped tip HSS-E Stainless steel, uncoated, ⌀ DC h8: 4mm

Article no.: 409530 Catalog no.: 114008
Price per 1 Piece
Net price: CHF 6.20

Scale prices:

  • from 1 Piece
    CHF 6.70 / 1 Piece
  • from 10 Pieces
    CHF 5.57 / 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
Cooling lubricant yes
Manufacturer’s designation Spiralbohrer mit Stufenspitze HSS-E
Interface position on the machine
Holder type plain shank
Shank diameter DS 4 mm
Shank length LS 32 mm
Cutter diameter, min. Dc min. 4 mm
Configurable no
Tolerance of cutter diameter tolerance class ISO
Tolerance class ISO h8
Flute length Lc 43 mm
Distance from cutter corner to cutter tip 0.8 mm
Number of teeth Z 2
Twist direction right-hand
Helix angle, min. 38 degrees
Helix pitch 16.1 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 uncoated
Interface joint 1
Toleranzklasse h8
Gauge length A 48 mm
Usable length L1 39 mm
Overall length L 75 mm
Functional length 74.2 mm
Weight 6 g
Cutting direction right-hand cutting
Standard DIN 338
Machining method drilling into solid material (BVB)
Colour ring blue
Type of product indexable drill
empfohlene maximale Bohrtiefe 37 mm
Content single part

Identification & Classification

Article number 409530
Catalog number 114008
EAN / GTIN 4062406877019
Manufacturer number 114008 4
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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