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+86-537-3281595

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Shandong Jining Qingfeng Machinery Hardware Co.,Ltd

Add: NO.47 Jinyu Road, Jining, Shandong

Contact: Qin Wang

Tel: +86-537-3281595

Fax: +86-537-3281597

Mobile: +8613705473076

E-mail:info@qfmh.com

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How to distinguish screws, bolts and nuts

As a professional fastener salesman, to the national standard to describe a variety of fasteners, it is necessary to understand and standardize the word operation. As for the screws and bolts that people often talk about, it's easy to confuse their type of professional title.

Screw: Actually. There are no screws in the standard parlance. Screw is commonly known as, from the appearance, with the external thread can be called "screw", is a wide range of concepts.

Bolt: The head generally is six angle, the pole has the external thread, the fastener which is tightened with the wrench is the bolt, is widely used in the machine manufacture to disassemble the connection, generally with the nut (usually plus one washer or two washer) uses.

Nut: The nut shape is usually six corners, and the inner hole is internal thread. Used to tie the bolts and fasten the related parts.


Contact Us
Shandong Jining Qingfeng Machinery Hardware Co.,Ltd

Address: NO.47 Jinyu Road, Jining, Shandong

Tel: +86-537-3281595

Fax: +86-537-3281597

E-mail: info@qfmh.com

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