Carbon Steel Robertson Square Drive Flat Head Screws Silver Zinc Plated 4.8 X 63 mm

Carbon Steel Robertson Square Drive Flat Head Screws Silver Zinc Plated 4.8 X 63?mm

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 .

Note : all dimensions are millimeters

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

Finishing for Robertson square screw

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 .