Rohs Ni-plated M4 Phillips Slot Head Left Hand Thread Screws

Machine screw / custom left hand thread screws: is designed to hold pieces of machinery together. Most machine screw require that the hole already be drilled and threaded, although there are a few types of machine screw capable of tapping their own holes. Like other screw, machine screw are available in a variety of shapes and sizes. Pan head machine screw are machine screws with heads that are flat on top and rounded on the sides. They're similar to oval head machine screw, which also have rounded sides; the difference is that oval head screws have a rounded top, too, as opposed to a flat top, and they have tapered bases. Both are commonly used for metal applications. Pan head machine screw can also be differentiated from flat head machine screw, which have flat tops, as well. However, flat head machine screw are tapered on the underside of the head so they can lie flush with the material they're driven into. Meanwhile, round head machine screw have flat bottoms with rounded heads, much like half a sphere. Round head machine screw can't sit flush with the material they're driven into; instead, their heads poke out like little bumps. 

Product Presentation of standard machine screw

Product presentation of other machine screw:

other series of our custom screw products:

Our Shanghai Fastener Exhibition: 

(2014)

(2013)

Tel: +86    769 22694759

Fax: +86   769 22694729

We have nearly 200 production machines, which are brought from Taiwan GWO LING and Japan Mitsui Group, so please feel assured about our capacity and quality.

Optical Sorting Machine

Major applications of our electronic screws:

Our electronic screws spread all around the world, like North America,South America, US, Eastern Europe, Western Europe, Southeast Asia, Asia, Africa, Oceania, Mid East, South Korea, Russia,etc.

1. Skilled and well-trained work team, with quick response and good service patiently and professionally

2. Over 10 years professional manufacture experience, provided competitive price and serious quality control.

3. GOOD after-sale service  with long-time warranty and always patient supports

4. Passed ISO9001:2008, SGS and ROHS certification.

   Welcome to our company website http://chinascrew.en.china.cn/

If you need custom left hand thread screws,

please feel free to contact me as follows:

   Tel: 18676618340

   Skype: jinjiasales07

   QQ: 2871437964