• The item cannot be ordered due to missing prices.

HSS core drill N 20,5 mm

Article no.: 116620 20,5

Select article variation and quantity

⌀ DC h8 (mm) Unit price incl. VAT
  • Tool material: HSS
  • Norm: DIN 343
  • Type: N
  • Tolerance nominal ⌀: h8
  • Point angle: 120

Add to wishlist

Share this product

or copy this link

Product details

Technical Data

Nominal ⌀ DC 20.5 mm
Coating uncoated
Tool material HSS
Norm DIN 343
Type N
Tolerance nominal ⌀ h8
Point angle 120 degrees
Shank Morse taper
Number of cutting edges Z 3
Through-coolant no
recommended maximum drilling depth L2 114.3 mm
Flute length Lc 145 mm
Overall length L 243 mm
Min. pre-drilling -⌀ Dmin 14.6 mm
Morse taper MT size 2
Feed f in steel < 750 N/mm2 0.21 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 116620 20,5
EAN / GTIN 4062406097165
Manufacturer number 116620 20,5

Application Table

Aluminium (short chipping)
N
45
Steel < 500 N/mm²
P
40
Steel < 750 N/mm²
P
30
Steel < 900 N/mm²
P
25
Steel < 1100 N/mm²
P
10
Steel < 1400 N/mm²
P
8
INOX < 900 N/mm²
M
12
GG(G)
K
25
wet maximum
 

Description

Version:

Strong core. Sturdy jobber drill for better guidance in the hole

Advantage:

Particularly suitable for drilling out holes that are out of round. Misaligned holes can be aligned.

Recommendation:

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

Note:

Please note:
Do not drill the respective tapping hole ⌀ (see table) less than the stated size.
For suitable reducing adapters for tools with MT shanks see No. 343000-343530.

Downloads & documents

Compare with similar products

This article


Recommendations


HSS core drill N 20,5 mm

HSS core drill N 20,5 mm

Colour ring without without without without without
Overall length L 243 243 243 243 282
Through-coolant no no no no no
Norm DIN 343 DIN 345 DIN 345 DIN 345 DIN 341
Shank Morse taper Morse taper Morse taper Morse taper Morse taper
Flute length Lc 145 145 145 145 184
recommended maximum drilling depth L2 114.3 114.3 114.3 114.3 153.3

Services & product advisors

Direct purchase

Sign in to your Account

To shopping cart