Product Description：
Name: Brass Head Set Screw
Model: Grade 12.9 Brass Head Set Screw
Category: Set Screw
Material: Carbon Steel + Brass
Surface finish: Blackened
Head type: Hex socket
Strength grade: Grade 12.9
Size: Thread Diameter x Thread Length (Excluding Head Thickness)
e.g.: M3x3mm (Thread Diameter 3mm x Thread Length 3mm)
Thread Diameter: M3(3mm) / M4(4mm) / M5(5mm) / M6(6mm) / M8(8mm)/ M10(10mm)
Thread Length(Excluding Head Thickness): 3mm/4mm/5mm/6mm/8mm/10mm/12mm/14mm/16mm/18mm/20mm/25mm/30mm/35mm/40mm/45mm/50mm/55mm/60mm
Pitch:
M3 – Thread pitch 0.5 mm
M4 – Thread pitch 0.7 mm
M5 – Thread pitch 0.8 mm
M6 – Thread pitch 1 mm
M8 – Thread pitch 1.25 mm
M10 – Thread pitch 1.5 mm
Customer service online time：
Our working hours are from 8:30 am to 17:30 pm Beijing time Monday to Saturday，(excluding Chinese holidays and special circumstances).
If the customer service does not reply to the message in time, please be patient, we will reply you immediately when we see the message.
Issue Resolution：
If you encounter any problems with your order, we are here to help. Please reach out to us, and we will do our best to address and resolve any issues in a timely manner.
