Features of Hexagon Socket Button Head Screw:
- Made of high quality AISI 304 / 316 / chrome-molybdenum alloy steel.
- All specifications meet ISO 7380, metric thread, fully threaded body under the head, coarse picth.
- Plenty of stocks for standard sizes M1.4 M1.6 M2 M2.5 M3 M4 M5 M6.
- Special surface treatment black oxide on stainless steel 304 for choice.
Dimensions of ISO 7380-1:
FAQ:
Q1. What standard does this screw comply with?
It is manufactured in full accordance with ISO 7380 international standard, meeting unified dimensional tolerance and mechanical performance requirements.
Q2. What materials are available?
304 stainless steel, 316 stainless steel, 12.9 grade alloy steel and black oxide finished 304 stainless steel.
Q3. Difference between 304 and 316 stainless steel?
304 steel features good anti-rust performance with cost advantage, ideal for indoor general use.
316 steel has superior resistance to acid, alkali and seawater corrosion, suitable for marine, humid and chemical working environment.
Q4. What does 12.9 grade mean?
12.9 grade is high strength alloy steel with high tensile strength, used for heavy load and high tightening force applications.
Q5. What is the MOQ?
Standard stock items support small quantity purchase, bulk order is acceptable with favorable price.
Janet L. –
Excellent marine grade 316 scews…
Matt A. –
Good screws.
Randy F. –
It’s gooooooood and cheapppppp!
Ice –
Thanks for Your comment Sir!
Nicole W. –
A wonderful try, satisfied with m2x10 black 304 button head screws……