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Step screw with slotting 12.9 grade of alloy steel finish with black oxide special screw
The Step screw has slotted and main application for fixing location to avoid falling down.It means good stability.It's made of alloy steel with12.9grade,and finish with Black Oxide to avoide Hydrogen embrittlement.To meet special requirement of all customers,
we can supply this kind of step screw and also available for customization.
We specialized in manufacturing hardware, such as standard and special screw, nut, spring,bolts ,machining parts etc.
www.kinsomhardware.com
Step screw with slotting 12.9 grade of alloy steel finish with black oxide special screw
