About US Cobest Machinery is specialist of OEM metal fasteners, such as screw, bolt,nut ,pin,anchor,washer, fittings ,hangers ects. We follow standard of ISO9001,TS16949 ,SGS,ROHS and we also support do documentationof PPAP level 3 for you .Our fasteners and components are widely used in Auto,building ,agriculture,home appliances,solar,furniture,mold,valve, and various other industries.
We have the capacity to machine precision turned parts quickly, accurately and competitively.
Kindly send your valuable Purchase Order.Product detail:
|Material||stainless steel |
|Fastener Strength Grade/Class||Grade 4.8|
These nuts are suitable for fastening machinery and equipment.
stainless steel nuts resist corrosion in wet environments.More info:
This nut shape and size is customized by customer.
About twice as strong as aluminum nuts. Often referred to as extension nuts, use these to connect and extend threaded rods. They're about half the strength of medium-strength steel coupling nuts for use in light duty fastening applications.
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|Product name||OEM fasteners hardware stainless steel coupling nuts tubing nuts |
|Available Material||Carbon steel,alloy steel,stainless steel,brass,aluminium|
|Industrial process||Colding heading,cnc machining ,thread rolling ,cnc lathe,cnc grinding ,wire cuts ects|
|Heat treatment||Tempering,Hardening,Spheroidizing,Stress Relieving|
|Surface||Black oxide oxide,Zinc,clear,nature,ni-plated,tin-plated,chrome plated,passivated,sandblast and anodize,|
|Application||Auto,building ,agriculture, home appliances,solar,furniture,mold,valve ects|
|Inspection||QC+inspection equipment |
|Delivery||Usually 15-30 days|
|Grade||4.8,5.6,6.8, 8.8, 10.9, 12.9, A2-70, A4-80 ects|
Nut:hex nut / locknut slotted nut / flange nut /coupling nut /cap nut /wing nut / thumb nut / press-in nut
/tee nut /allen nut/ rivet nut /acme nut / barrel nut / push nut / speed nut / lug nut /tube nut
Screw:socket head screw rounded head screw hex head screw
flat head screw tapping wood screw shoulder screw
set screw thumb screw binding barrels and screw
12-point screw square head screw captive panel screw
carbon screw alloy steel screw stainless steel screw Factory view FAQ:
1.Could you supply sample?
Yes,sample is available ,we can pre-produce samples according to your drawing .
Mass should be produced after the samples confirmed .
2.Do you support OEM ?
Yes ,OEM is workable .Please let me know your requirements and details .
Our engineer and product team will help you to finish .
3.What's your Inspection equipment ?
We do inspection all through the producting.From material to finish.
ur inspection equipment include Rockwell hardness monitor and
Vickers hardness monitor,3D image inspection instrument,torque testing machine ,
optical screening machine,high-temp tensile testing machine ects Please feel free to send the quote of this screw to us .