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If you mean what HB stands for, it's an indicator for the hardness (H) or softness (B) of the graphite and clay used.

However, the B is for blackness so HB is like average/medium grade so the full form would be Hard Black, Hard and Black, or Hard Blackness.

If you check out pencils like 3H, you'll notice that the tone when writing or drawing is light compared to an HB. Conversely, a 3B pencil will give you a darker tone.

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14y ago
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13y ago

the h and the b are spread apart more

AnswerThere isn't any difference, HB or H B always stands for 'hard black'. Softer pencils have 2B, 4B, 5B etc, where the higher the number means the softer (and therefore less black) the pencil. Answerone is the shade of a pencil the other is just two letters spaced out
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15y ago

In pencil classification, H stands for hardness and B for blackness. HB therefore refers to a pencil that is "Hard black"; one degree of hardness and one degree of blackness. The scale runs from 9H (very hard) to 9B (very soft/black) with HB as the central grading. This scale also includes "F" referring to "Fine Point".

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10y ago

H = Hardness, and B = Black. Pencils are graded from 9H to 9B. HB is the 'middle' rating. Going away from HB, they would be graded 2H & 3H, or 2B & 3B etc.

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15y ago

It is an acronym for 'hard black.'

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Q: What is the full form of HB pencil?
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