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|Material:||Carbon Steel||Property Class:||6.8|
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 .
|Head drive||Square / robertson|
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
|Standard||RoHS ( 2002/95-EC )|
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
Robertson square screws are often used to secure wooden pieces or plastic parts that in industry .
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 .