Tuhy a náplne do ceruziek

tvrdosť ceruziek

Značenie tvrdosti grafitových ceruziek

Európsky systém používa kombináciu písmen H (hard) tvrdý, F (firm) pevný a B (black) mäkký.
Najmäkšia tuha je 9B a najtvrdšia je 9H (čím väčšie číslo - tým väčšia mäkkosť alebo tvrdosť).

Tvrdosť tuhy určuje podiel grafitu a ílu. Čím viac je ílu primiešaného, tým je tuha tvrdšia.

V obchodoch môžete taktiež naraziť na označenie ceruziek 1, 2 a 3, ide o tri najpoužívanejšie tuhy pre školákov.
Ceruzka č. 1 odpovedá tuhe B, ceruzka č. 2 tuhe HB a č. 3 označuje tuhu H.
Jednotka a dvojka sú určené na písanie a kreslenie, trojka je tzv. rysovacou ceruzkou.

Price and labels
Lead Size
(3)
(14)
(10)
(3)
(2)
(2)
(1)
(3)
(1)
Leads Hardness
(3)
(2)
Producer
(8)
(6)
(14)
(8)
(6)
(2)
(4)
Graphite inks M&G Terra H/0,5 mm /12 pcs
Code:110672-3

Graphite inks M&G Terra H/0,5 mm /12 pcs

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0,43 € with VAT
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Graphite inks M&G Terra 2B/0,5 mm /12 pcs
Code:110672-2

Graphite inks M&G Terra 2B/0,5 mm /12 pcs

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0,43 € with VAT
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Graphite inks M&G Terra B/0,5 mm /12 pcs
Code:110672-1

Graphite inks M&G Terra B/0,5 mm /12 pcs

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0,43 € with VAT
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Graphite inks M&G Terra HB/0,5 mm /12 pcs
Code:110672-5

Graphite inks M&G Terra HB/0,5 mm /12 pcs

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0,43 € with VAT
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Graphite inks M&G Terra 2H/0,5 mm /12 pcs
Code:110672-4

Graphite inks M&G Terra 2H/0,5 mm /12 pcs

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0,43 € with VAT
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Graphite pencils M&G Vivid Color HB / 0.5 mm, colored surface, 20 pcs
Code:05212

Graphite pencils M&G Vivid Color HB / 0.5 mm, colored surface, 20 pcs

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0,86 € with VAT
In stock
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Spare leads 0,7 mm 2B MILAN
Code:1851071424

Spare leads 0,7 mm 2B MILAN

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0,85 € with VAT
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Graphite solids DONG-A B/0.7 mm, 12 pcs
Code:411272

Graphite solids DONG-A B/0.7 mm, 12 pcs

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0,38 € with VAT
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Graphite solids DONG-A H/0.7 mm, 12 pcs
Code:411273

Graphite solids DONG-A H/0.7 mm, 12 pcs

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0,38 € with VAT
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Spare leads 0,5mm HB MILAN
Code:1851070524

Spare leads 0,5mm HB MILAN

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0,6 € with VAT
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KOH-I-NOOR Scala graphite pencils, 12 pcs
Code:0529

KOH-I-NOOR Scala graphite pencils, 12 pcs

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1,62 € with VAT
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Graphite pencils MILAN B / 5.2 mm for versatile, 6 pcs
Code:3802062

Graphite pencils MILAN B / 5.2 mm for versatile, 6 pcs

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2,63 € with VAT
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Cartridge 4190 HB KOH-I-NOOR for mech. pencils - versatile pencils
Code:0534

Cartridge 4190 HB KOH-I-NOOR for mech. pencils - versatile pencils

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3,05 € with VAT
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Graphite solids DONG-A 2B/0.7 mm, 12 pcs
Code:411271

Graphite solids DONG-A 2B/0.7 mm, 12 pcs

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0,38 € with VAT
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Graphite pencils KOH-I-NOOR B / 0.5 mm, 12 pcs
Code:0565

Graphite pencils KOH-I-NOOR B / 0.5 mm, 12 pcs

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0,57 € with VAT
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Graphite pencils MILAN 2B/0.9 mm, 12 pcs
Code:1851070924

Graphite pencils MILAN 2B/0.9 mm, 12 pcs

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0,95 € with VAT
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Graphite pencils KOH-I-NOOR HB / 0.5 mm, 12 pcs
Code:0526

Graphite pencils KOH-I-NOOR HB / 0.5 mm, 12 pcs

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0,57 € with VAT
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Graphite pencils KOH-I-NOOR HB / 0.7 mm, 12 pcs
Code:0544

Graphite pencils KOH-I-NOOR HB / 0.7 mm, 12 pcs

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0,86 € with VAT
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Cartridge 4190 2B KOH-I-NOOR for mech. pencils - versatile pencils
Code:05351

Cartridge 4190 2B KOH-I-NOOR for mech. pencils - versatile pencils

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3,08 € with VAT
In stock
Graphite pencils KOH-I-NOOR HB / 0.9 mm, 12 pcs
Code:62417210

Graphite pencils KOH-I-NOOR HB / 0.9 mm, 12 pcs

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0,91 € with VAT
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Graphite pencils KOH-I-NOOR 6 pcs, colored/technical
Code:0539

Graphite pencils KOH-I-NOOR 6 pcs, colored/technical

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1,34 € with VAT
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Graphite pencils FABER-CASTELL B / 0.5 mm, 12 pcs
Code:1205121

Graphite pencils FABER-CASTELL B / 0.5 mm, 12 pcs

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0,89 € with VAT
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Spare leads 1,3mm 2B MILAN
Code:1851071324

Spare leads 1,3mm 2B MILAN

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0,82 € with VAT
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Graphite pencils KOH-I-NOOR HB / 0.3 mm, 12 pcs
Code:0519

Graphite pencils KOH-I-NOOR HB / 0.3 mm, 12 pcs

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1,09 € with VAT
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Graphite pencils STABILO EASYergo HB / 3.15 mm, 6 pcs
Code:78906HB

Graphite pencils STABILO EASYergo HB / 3.15 mm, 6 pcs

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3,48 € with VAT
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