1A STONE
Reference only#1A Stone (1/4″ To 3/4″, High Friction)
#1A stone in a 1/4" to 3/4" size range with high friction properties is a crushed aggregate commonly produced from durable natural rock. The high friction attribute means the stone surfaces are angular and rough, enhancing grip and stability when used in construction applications.
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Also called
If a contractor or a spec sheet handed you one of these names, this is the rock they mean.
What people call it
3/4" clean stonedriveway stone3/4" crushed rock3/4 inch gravel
Yard and spec names
#1ASTM D448
Ask for #1a stone and we'll know what you want. If you have a spec number, give us that instead and we'll match it.
What people use it for
- Driveway surfacing
- Walkway base
- Drainage systems
- Concrete aggregate
- Railroad ballast
#1A Stone next to what it gets confused with
| Rock | Size | Shape | Where it wins | Can we deliver it |
|---|---|---|---|---|
| #1A Stone (1/4″ To 3/4″, High Friction) | 1/4" To 3/4" | Angular | Driveway surfacing | Reference only |
| #1A Stone (1/4″ To 3/4″, Dry) | 1/4" To 3/4" | Angular | — | Reference only |
| #1A Stone (1/4″ To 3/4″, Limestone) | 1/4" To 3/4" | Angular | — | Reference only |
Questions people ask
What is #1A Stone used for?
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#1A Stone is commonly used for Driveway surfacing, Walkway base, Drainage systems, Concrete aggregate, Railroad ballast.
What size is #1A Stone?
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#1A Stone typically ranges in size from 1/4" To 3/4".
Where can I get #1A Stone?
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You can order #1A Stone for delivery from Hello Gravel. We deliver bulk aggregate materials directly to your site with transparent pricing and no hidden fees.