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)
(12)
(10)
(3)
(2)
(1)
(1)
(3)
(1)
Leads Hardness
(3)
(2)
Producer
(8)
(4)
(12)
(2)
(6)
(2)
(4)
Graphite pencils STAEDTLER "Mars micro" HB / 0.5 mm
Code:TS25005HB

Graphite pencils STAEDTLER "Mars micro" HB / 0.5 mm

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0,85 € with VAT
Out of stock
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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0,55 € with VAT
In stock
Graphite pencils M&G Extra-fine HB/0.3 mm, set of 20 pcs
Code:05210

Graphite pencils M&G Extra-fine HB/0.3 mm, set of 20 pcs

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0,82 € with VAT
In stock
Recommended
KOH-I-NOOR Scala graphite pencils, 12 pcs
Code:0529

KOH-I-NOOR Scala graphite pencils, 12 pcs

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1,58 € with VAT
In stock
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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0,36 € with VAT
In stock
Recommended
Graphite pencils KOH-I-NOOR B / 0.5 mm, 12 pcs
Code:0564

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

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0,55 € with VAT
In stock
Graphite pencils STABILO EASYergo HB / 1.4 mm, 6 pcs
Code:78806HB

Graphite pencils STABILO EASYergo HB / 1.4 mm, 6 pcs

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2,16 € with VAT
In stock
Grafitové tuhy FABER-CASTELL B / 0,7 mm, 12 ks
Code:521701

Grafitové tuhy FABER-CASTELL B / 0,7 mm, 12 ks

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0,73 € with VAT
In stock
Spare leads 0,7 mm 2B MILAN
Code:1851071424

Spare leads 0,7 mm 2B MILAN

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0,79 € with VAT
In stock
Recommended
Spare leads 0,7mm HB MILAN
Code:1851071524

Spare leads 0,7mm HB MILAN

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0,7 € with VAT
In stock
Recommended
Graphite pencils MILAN 2B/0.9 mm, 12 pcs
Code:1851070924

Graphite pencils MILAN 2B/0.9 mm, 12 pcs

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0,89 € with VAT
In stock
Recommended
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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2,48 € with VAT
In stock
Recommended
Graphite pencils KOH-I-NOOR 2B / 5.6 mm, 6 pcs, metallic
Code:0585

Graphite pencils KOH-I-NOOR 2B / 5.6 mm, 6 pcs, metallic

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5,78 € with VAT
In stock
Graphite pencils STAEDTLER "Mars micro" HB / 0.7 mm
Code:TS25007HB

Graphite pencils STAEDTLER "Mars micro" HB / 0.7 mm

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0,85 € with VAT
Out of 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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0,89 € with VAT
In stock
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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0,84 € with VAT
In stock
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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0,96 € with VAT
In stock
Graphite pencils STAEDTLER "Mars micro" HB / 0.9 mm
Code:TS25009HB

Graphite pencils STAEDTLER "Mars micro" HB / 0.9 mm

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1,27 € with VAT
Out of stock
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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0,36 € with VAT
In stock
Recommended
Graphite pencils 4190 HB KOH-I-NOOR 3.2 mm/12 pcs
Code:0536

Graphite pencils 4190 HB KOH-I-NOOR 3.2 mm/12 pcs

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2,95 € with VAT
In stock
Graphite pencils KOH-I-NOOR 4B / 5.6 mm, 6 pcs
Code:KOH518

Graphite pencils KOH-I-NOOR 4B / 5.6 mm, 6 pcs

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3,28 € with VAT
In stock
Graphite pencils FABER-CASTELL B / 0.5 mm, 12 pcs
Code:521501

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

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0,65 € with VAT
In stock
Graphite pencils STAEDTLER "Mars Micro" HB / 0.3 mm
Code:TS25003HB

Graphite pencils STAEDTLER "Mars Micro" HB / 0.3 mm

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1,18 € with VAT
Out of stock
Graphite pencils FABER-CASTELL HB / 0.5 mm, 12 pcs
Code:521500

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

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0,68 € with VAT
In stock
Graphite pencils KOH-I-NOOR 6 pcs, colored/technical
Code:0539

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

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1,31 € with VAT
In stock
Spare leads 0,5mm HB MILAN
Code:1851070524

Spare leads 0,5mm HB MILAN

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0,56 € with VAT
In stock
Recommended
Graphite pencils KOH-I-NOOR 2B / 5.6mm, 6 pcs
Code:KOH517

Graphite pencils KOH-I-NOOR 2B / 5.6mm, 6 pcs

Buy0
3,28 € with VAT
In stock
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