Screw
Plastic Fasteners
E-mail: sales1@fortunehardware86.com
E-mail: sales2@fortunehardware86.com
Add: A2501,Oriental Times Plaza, North Huaqiang Rd, Futian District,Shenzhen,China
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Product name : Stainless Steel Square Nuts
Item : MTNUTSQNST
material : Stainless Steel
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| Details: |
Standard: DIN557, GB/T39-1988, ASME/ANSI B18.2.2 1987(R 1999), JIS B 1163-1987
Material： SUS301,304,18/8,0Cr18Ni9,X5CrNi1810,X10Cr13,410S21, if you need to use other stainless steel, please let us know.
Heat Treatment: None for normal, If you have special hardness requirement, please let us know.
Surface Hardness：220HV is
Finish：None
Tensile strength：Base on your requirement, please provide your grade to us
Thread Direction：Normal is right hand/dextrorotation, if you want left hand, please let us know. Refer to document as below:  Stainless Steel Square Nuts.pdf Stainless Steel Square Nuts --- A square nut is a four-sided nut. Compared to standard hex nuts, square nuts have a greater surface in contact with the part being fastened, and therefore provide greater resistance to loosening (though also greater resistance to tightening). They are also much less likely to become rounded-off after repeated loosening/tightening cycles. Square nuts are typically mated with square-headed bolts. Square nuts are used along with flat washers in order to avoid damage from its sharp edges and helps to increase the strength of the fastener.
"Stainless Steel" - With the addition of 12% chromium to iron, stainless steel is formed. The chromium protects the iron against most corrosion or red colored rust; thus the term "stainless steel". The ability of stainless to form a thin layer of protection on its outside surface, called a "passive film", is its most important characteristic in preventing corrosion. "18-8" - 300 series stainless steel having approximately (not exactly) 18% chromium and 8% nickel. The term "18-8" is used interchangeably to characterize fasteners made of 302,302HQ,303,304,384, XM7, and other variables of these grades with close chemical compositions. There is little overall difference in corrosion resistance among the 18-8 types, but slight differences in chemical composition do make certain grades more resistant than others against particular chemicals or atmospheres. Austentic - Refers to 300 series stainless, the most popular of the stainless alloys accounting for 85%-90% of stainless fasteners sold Named for sir Robert Williams Austen, an English metallurgist, austentic stainless is a crystal structure formed by heating steel, chromium, and nickel to a high temperature where it forms the characteristics of 300 series stainless steel.  |
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