2023年2月19日 · Even though most casual users of mechanical pencils stick with HB lead, the industry standard, the different degrees of hardness are beneficial since they can provide different properties, from a more rigid, lighter-tone line to a darker line with a deep shade.

Pentel AIN Stein Lead: quite a good range of hardnesses, and great value, as you get more leads in a pack. Pilot ENO Lead: has a wider range of hardnesses in some sizes, even including 2B leads in 0.3mm. An interesting compromise - the lead thickness of a wooden pencil, but with replaceable leads, and they don't get shorter as you sharpen them.

2023年9月11日 · We explain what pencil lead grades mean, with recommended uses and examples of each grade. If you're not sure how a #2 pencil relates to an HB pencil, or what the difference is between 6H and 6B, this is where you should start.

2022年4月18日 · Every pencil, whether it’s a mechanical pencil or wooden pencil, has a lead and every lead has a grade. But which lead grade should you use? Which is best for a test? Which is best for art? How about note taking? What Is Lead Grade? Pencil lead is made with proprietary mixtures of materials which vary from one manufacturer to another.

2023年10月23日 · Pentel Ain Lead is the best mechanical pencil lead. It perfectly balances all of the major factors that make a lead great—smoothness, darkness, break resistance, smudge resistance, longevity, and erasability. In our considerations tests, it performed consistently well across the board!

2006年11月9日 · Pentel offer a great variety of graphite leads of many different thickness', hardness grades, quality levels, packaging, etc. For example in ordinary mechanical pencil refill leads they offer 0.3, 0.5, 0.7, 0.9 and 1.3mm thickness leads.

What is the difference in lead hardness (4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, 6H)? To recognize hardness or softness of the lead, drawing pencils will have a grade with the letter B or H and a number. B is a subjective indication of ‘blackness’ and …

Super Hi-Polymer® Lead, 0.7mm, HB, 30 Pieces per Tube, Box of 12 Tubes Regular price $27.00 Regular price $30.00 Sale price $27.00

2010年8月1日 · Great for everyday writing, this Pentel Super Hi-Polymer lead refill helps you create dark lines that are easy to read when reviewing your notes. Medium-size, 0.7 mm lead refill is excellent for everyday use. Durable polymer construction resists breaking under pressure. This mechanical pencil lead refill delivers clean, smooth lines.