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Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener

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Good quality Stainless Steel Metal Screws for sales
Good quality Stainless Steel Metal Screws for sales
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Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener

China Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener supplier
Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener supplier Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener supplier Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener supplier Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener supplier Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener supplier

Large Image :  Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener

Product Details:

Place of Origin: China
Brand Name: VDL
Certification: ISO 9001
Model Number: CS4545

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 1000 pcs each carton with dimension 20 X 20 X 22 cm , 500 cartons to a 20 ft container
Delivery Time: 30 days
Payment Terms: L/C, T/T, Western Union , Paypal
Supply Ability: 1000 , 000 pcs per month
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Detailed Product Description
Material: Carbon Steel Property Class: 6.8
Hardness: HRC 25 Finish: Zinc
Drive: Square Head: Flat
Diameter: 4.5 Length: 45

 

Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener

 

Square drive or Robertson@ drive screw with flat head sharp point and wood threads for application on wooden parts .

 

Robertson square screws has a 90 degree or 120 degree head and blank angle is up to 45 degree for cutting material as quickly as possible .

 

 

Flat Head Square Drive Robertson Screw For Wood Galvanized Steel Fastener

 

Thread diameter 4.8
Thread length 42
Head height 5.5
Head diameter 10
Head drive Square / robertson
Pitch 1.59
Full length 63

Note : all dimensions are millimeters

 

 

Carbon steel robertson square screw is quenched and tempered to ensure enough strength during installation and improve efficiency .

 

Material code 1018
Tensile strengh 539
Case hardness HV500
Core hardness HV400
Density 7.85
Yiled strength 495
Ductility 33.5
Property class 6.8

 

 

 

 

 

 

 

 

 

 

 

 

 

Finishing for Robertson square screw

 

Finishing Blue zinc
Standard RoHS ( 2002/95-EC )
Thickness 3 um
Color Silver

 

 

 

 

 

 

 

 

 

 

Features for Robertson square screw

 

1 . Perfect flexibility and not easy to be deformed

 

2 . High tensile strength with fast cutting performance

 

3 . Effective drilling

 

4 . Harden material with strict dimensions

 

5 . Over threaded length for locking

 

 

Application

 

Robertson square screws are often used to secure wooden pieces or plastic parts that in industry .

 

 

RFQs

 

Q What material for robertson square screw ?

A Carbon steel and stainless steel

 

Q What finishing for Robertson square screw ?

A Popular finishing including zinc ,nickel ,tin ,chrome ,oxide and paint

 

Q How to ensure Robertson square screws are not broken or deformed during installation ?

A All Robertson square screws are quenched and tempered , the hardness is up to HRC 50, this is easy to be capable of request from wooden parts .

 

Contact Details
VEDALI HARDWARE CO., LTD

Contact Person: MR.LIN

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