Gold Member Since 2009
Audited Supplier

Lockey Industrial (Dongguan) Co., Ltd.

Fastener, Bolt, Nut manufacturer / supplier in China, offering Grade 8 Hex Screw for Building, Carbon Steel Class 10.9 Hex Head Screw for Machine, Stainless Steel Round Head Six-Lobe Self Tapping Screw and so on.

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Quality Control

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Purpose: Testing Drilling Through Times of drywall screw and...
Metallographic Micro Cutting Machine

My Video

How a Bolt / Screw is Made Cold Form
In this vidio, you may have more info. on how a bolt / screw is made.