Characteristics 

10.9 degree hardened shoulder bolt 45# alloy steel  

a)Shoulder Screws reduce rotation through locking.

b)Alloy Steel is one of the strongest materials used in fasteners, making this an ideal material to when the primary concern is the application pulling apart.

c)Socket cap head fasteners are very common in industrial applications

d)Drive system is a hexagon-shaped hole

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Plastic bags/Master Carton/Pallet/As Per Customers' request

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Ningbo OuKaiLuo Hardware Co., Ltd, established in 1999,has been a leading manufacturer & supplier of fasteners with a history of product and service over 14 years. This commitment has not wavered because complete customer satisfaction is still our priority.
As a professional and integrative fastener manufacturer, OKL combines scientific research, production and sales as a whole in China. Enjoying a full set of advanced production equipment & complete quality measurement system, we mainly specialize in screws, rivets, cold heading parts, stamping parts etc. Moreover, OEM service is also available. Our fasteners are widely applied to automobiles, electronics, appliances, machinery, furniture, and medical equipment etc.

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Worldwide Market Distribution 

Certifications 

RoHS,ISO9001,SGS,CTI,