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UNF Bolts

Some spiel for UNF Bolts
Material Key
A2
A2 Stainless Steel - also known as grade 304 or 18/8. A general purpose grade of stainless steel.
A4
A4 Stainless Steel - also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel.
BZP
Bright Zinc Plated (BZP) Steel - non-stainless standard steel grade offering a basic level of corrosion resistance.
BZP-G5
Bright Zinc Plated (BZP) USA grade 5 high tensile steel - equivalent to UK class 8, a general purpose non-stainless grade with a basic level of corrosion resistance.
MZP
Mechanically Plated Zinc Steel - mechanically plated to help prevent hydrogen embrittlement

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