Surface roughness comparators
About this item
Quality steel comparison standards designed to indicate the surface condition of blasted steel, in grades of fine, medium and coarse.
- High purity electroformed nickel reference plates
- Copied from a certified mild steel master
- Protected test surfaces when not in use
: ASTM D4417, ISO 8503
: Supplied in a sturdy leather pouch.
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Product Details & Documents
Quality steel comparison standards designed to indicate the surface condition of blasted steel, in grades of fine, medium and coarse.
- High purity electroformed nickel reference plates
- Copied from a certified mild steel master
- Protected test surfaces when not in use
: ASTM D4417, ISO 8503
: Supplied in a sturdy leather pouch.
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