Metric hex bolts
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A bolt with a six sided head.
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Stainless steel 18-8 (A-2)
Also known as A-2 stainless, 18-8 is the most common grade of stainless steel for general use.
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Stainless steel 316 (A-4)
Also known as A-4 stainless, 316 is a highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments. More expensive than 18-8.
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Zinc plated class 8.8 steel
A tempered medium carbon steel. Class 8.8 is hardened, but it is not as strong as class 10.9. It is commonly found in automotive applications. Class 8.8 is similar to grade 5. Zinc plated for moderate corrosion resistance.
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Zinc plated class 10.9 steel
A tempered medium carbon steel. Class 10.9 is stronger than class 8.8, and is commonly found in high strength automotive applications. Class 10.9 is similar to grade 8. Zinc plated for moderate corrosion resistance.
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Chrome plated steel
A low carbon steel for general use. Chrome plated and polished for a mirror like finish.
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A full thread bolt with a six sided head.
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Stainless steel 18-8 (A-2)
Also known as A-2 stainless, 18-8 is the most common grade of stainless steel for general use.
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Stainless steel 316 (A-4)
Also known as A-4 stainless, 316 is a highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments. More expensive than 18-8.
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Zinc plated class 8.8 steel
A tempered medium carbon steel. Class 8.8 is hardened, but it is not as strong as class 10.9. It is commonly found in automotive applications. Class 8.8 is similar to grade 5. Zinc plated for moderate corrosion resistance.
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Zinc plated class 10.9 steel
A tempered medium carbon steel. Class 10.9 is stronger than class 8.8, and is commonly found in high strength automotive applications. Class 10.9 is similar to grade 8. Zinc plated for moderate corrosion resistance.
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Class 10.9 steel plain finish
A tempered medium carbon steel. Class 10.9 is stronger than class 8.8, and is commonly found in high strength automotive applications. Class 10.9 is similar to grade 8. Unplated finish.
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These bolts have smaller heads that meet the old JIS specification. Available only in diameters where there is a difference in head size.
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These bolts have smaller heads that meet the old JIS specification. Available only in diameters where there is a difference in head size.
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