Hex head captive bolt with flat washer and spring washer , it is made of stainless steel grade A2 and polished surface , Standard metric M4 threads with length 8 mm .
Captive bolt has a smaller diameter shaft that stop washers to be backed out when both washers are installed on bolt ,
Product Features
1 . Perfect locking
Captive bolt washers are not easy to be sliipped out once installed .
2 . Not easy to be broken
Made of stainless steel with grade A2 , good ductility .
3. Install with high efficiency .
Do not install washers alone .
4 . Not easy to be rusted
5 . No burrs or scratch .
6 . Tiny magnet .
1 . Female threaded hole should be suitable for thread of captive bolt .
2 . Not suitalbe for damp or chemical instalation .
3 . Drive captive bolt by a spanner or hex pipe wrench .
Product Application
Stainless steel captive bolt with washers are widely used to different industrial areas with locking requests .
Note : Objects showed in picture are only for reference , not stand for described items .
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We manufacture various hardware parts , you can find and click following descriptions to see more items .
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If you are interesting in stainless steel captive bolt wahser screws , please contact us via email or phone , we will get back to you within 12 hours , Thank you !
