Cross Recessed Pan Head Screws GB9074.8 Black Round Head Flat Spring Washer M2M3M4M6

Cross Recessed Pan Head Screws ,GB9074.8 Black Round Head Flat Spring Washer ,Triple Screw Bolts M2M3M4M6

Material
Carbon steel Grade 4.8
Surface treatment
Oxidation blackening
Standard number
GB9074.8
Strength class
Class 4.8
Thread type
Full thread type
Head shape
pan head screw

Product name: black zinc plated screw combination

Material: plain carbon steel

Surface treatment: black zinc plating

Product specifications: Complete specifications

Product standard: National standard

Packing instructions: Bag/box

Product details:

Standard manufacturing process:
The standard manufacturing process is not easy to appear in the installation process,
which greatly saves the installation time.

Spiral thread: the surface is smooth and flat, the thread is sharp and the tapping speed is fast,
it is not easy to lose teeth, and it is not easy to be pulled into a jack.

Flat without burrs

Smooth surface without burrs, quality workmanship, durable, not easy to slip wire is not easy to slip.