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Rust Proof Self Tapping Countersunk Screws Cutting Off The End Cross Recessed Pan Head

China Shanghai Summery Industrial Machine Co. , Ltd. certification
China Shanghai Summery Industrial Machine Co. , Ltd. certification
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Rust Proof Self Tapping Countersunk Screws Cutting Off The End Cross Recessed Pan Head

Rust Proof Self Tapping Countersunk Screws Cutting Off The End Cross Recessed Pan Head
Rust Proof Self Tapping Countersunk Screws Cutting Off The End Cross Recessed Pan Head Rust Proof Self Tapping Countersunk Screws Cutting Off The End Cross Recessed Pan Head

Large Image :  Rust Proof Self Tapping Countersunk Screws Cutting Off The End Cross Recessed Pan Head

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
Detailed Product Description
Product Name: Self Tapping Screw Material: Steel
Cross Recess: Type H Surface: Zinc Plate
Project: ISO7049/DIN7981 Size: ST 4.2x21
High Light:

self tapping pan head screws

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self tapping galvanized screws

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.

   

 

 

Rust Proof Self Tapping Countersunk Screws Cutting Off The End Cross Recessed Pan Head 0

 

 

   

Self tapping screws Dimensions
 
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Contact Details
Shanghai Summery Industrial Machine Co. , Ltd.

Contact Person: Ada.fu

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