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Black oxide cheese head six lobe slotted sems machine screw

Black oxide cheese head six lobe slotted sems machine screw

Black oxide cheese head six lobe slotted sems machine screw
Black oxide cheese head six lobe slotted sems machine screwBlack oxide cheese head six lobe slotted sems machine screwBlack oxide cheese head six lobe slotted sems machine screwBlack oxide cheese head six lobe slotted sems machine screwBlack oxide cheese head six lobe slotted sems machine screw
CategoriesSems Screw
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Update Time2019-11-20
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Product Name  :  Black oxide cheese head six lobe slotted sems machine screw

Material  :  Carbon steel,Iron,Stainless steel ,Brass copper,Alumilum,Zinc Alloy,Bronze

Specification  :  Including and over M2, the length according to customer's requirements

Manufacture Process  :  Cold forge heading/Secondary machine/Clamping/Threading/Surface treatment/(Automatic) testing/(Automatic) Packing/Shipping

Surface finishing  :  Zn-plated,Ni-plated,Passivated,H.D.G.(hot dip galvanizing),Chromate,Chorm plated,Blackoxide, Polish,Plain,Coppercoated,bronze plating,Dacromet,anodic oxidation etc.

Standard  :  ISO,GB,DIN,JIS,ANSI,BSW,IFI

Quality authentication  :  ISO 9001:2015, ISO/TS16949:2009, over 10 patents, the national high-tech enterprises.

Grade  :  4.8 6.8 8.8 10.9 12.9

Brand  :  Yuhuang

Thread  :  Coarse, fine

Used  :  Building industry machinery ,furniture


                              





                               SEMS(TAPPING) SCREW 


SEMS combines two normally seperate parts-typically a screw and a washer- into one permanently pre-assembled cost saving component. Washers are hel in place under the screw head by the rolled threads; they will not fall off and are free to rotate .


Advantages :

* Speeds: production by eliminating hand assembly at the work station

* Permanent: Capturing of washer insures that it will never come off or be left off your assembly

* Adapts easily to automated feeding devices and driving tools

* Available in any combination of screw type, head style, washer and thread configuration

* Production Range: M2.5 (#2) ~ M 12 ~ (1/2". Length: 4mm (5/32") ~ 160mm (6")

* ISO 9001 certificated manufacturer & exporter

Coarse threaded Screws with captive curved spring lock washer DIN6900

Examples of screw and washer assemblies


Figure 1. Assembly with screw threaded approximately up to the head


Figure 2. Assembly with screw unthreaded portion of shank

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