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Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration

Good quality Cross Head Screw for sales
Good quality Cross Head Screw for sales
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Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration

China Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration supplier
Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration supplier Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration supplier

Large Image :  Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration

Product Details:

Place of Origin: China,shanghai
Brand Name: Summery
Certification: DIN7981
Model Number: ISO7049

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiation
Packaging Details: Poly bags
Delivery Time: 7-10 Days
Payment Terms: L/C, D/A, D/P, Western Union
Supply Ability: 10000000
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Detailed Product Description
Product Name: Self Tapping Screw Material: Steel
Cross Recess: Type H Surface: Zinc Plate
Project: ISO7049/DIN7981 Size: ST 3.9x19

ISO7049 DIN7981 pan head Self tapping screws

 

    This International Standard specifies the characteristics of Cross recessed pan head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.

 

Surface hardness:The minimum surface hardness after heat treatment shall be 450 HV 0,3

Core hardness:The core hardness af?er heat treatment shall be
                         270 HV 5 to 390 HV 5 for threads S ST3,9, and
                         270 HV 10 to 390 HV 10 for threads > ST4,2.

   

    

Self tapping screws torsional strength
 
Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration
 

 

 

 

 

 

 
 

 

 

 

 

 

 

 

                            

 
 

 

 

 

 

 

 

 

Contact Details
Shanghai Summery Industrial Machine Co. , Ltd.

Contact Person: Ada.fu

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