Jobber drill HSS-E for Hardox H, uncoated, ⌀ DC h8: 21mm

Article no.: 116380 21
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⌀ DC h8 (mm) Unit price incl. VAT

Availability

  • Tool material: HSS Co 8
  • Standard: Manufacturer’s standard
  • Type: H
  • Tolerance nominal ⌀: h8
  • Point angle: 130

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Product details

Technical Data

Nominal ⌀ DC 21 mm
Coating uncoated
Tool material HSS Co 8
Standard Manufacturer’s standard
Type H
Tolerance nominal ⌀ h8
Point angle 130 degrees
Helix angle 8-15 degrees
Shank Morse taper
Number of cutting edges Z 2
Through-coolant no
recommended maximum drilling depth L2 55.5 mm
Flute length Lc 87 mm
Overall length L 208 mm
Morse taper MT size 3
Feed f in steel < 1400 N/mm2 0.14 mm/rev.
Colour ring without
Type of product Jobber drill

Identification & Classification

Article number 116380 21
EAN / GTIN 4045197032645
Manufacturer number 116380 21
Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Steel < 1100 N/mm²
P
10
Steel < 1400 N/mm²
P
8
HARDOX 500 < 1600 N/mm²
H
5
Ti > 850 N/mm²
S
5
Oil
 
wet maximum
 

Description

Version:

Particularly sturdy due to extra short drilling section and partly with larger MT. Strengthened core.
With point geometry shape C.

Recommendation:

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

Note:

For suitable reducing adapters for tools with MT shanks see No. 343000-343530.

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