Product Description：
Name: Phillips Round Head Screw
Model: Black Round Head Screw
Type: Machine Screw
Head Type: Round
Material: Carbon Steel
Surface Finish: Black
Size: Thread Diameter x Length ( Excluding Head Length)
e.g.: M1x2mm (Thread Diameter 1mm, Length 2mm) Excluding Head Length
Thread Diameter: M1 (1mm) / M1.2 (1.2mm) / M1.4 (1.4mm) /M1.6 (1.6mm) /M1.7 (1.7mm)/M2 (2mm) /M2.5 (2.5mm) /M3 (3mm) /M3.5 (3.5mm) /M4 (4mm) /M5 (5mm) /M6 (6mm)
Length ( Excluding Head Length):
2mm/3mm/4mm/5mm/6mm/7mm/8mm/9mm/10mm/12mm/14mm/16mm/20mm/25mm/30mm/35mm/40mm/45mm/50mm
Thread Pitch:
M1 - Thread Pitch 0.25mm
M1.2 - Thread Pitch 0.25mm
M1.4 - Thread Pitch 0.3mm
M1.6 - Thread Pitch 0.35mm
M1.7 - Thread Pitch 0.35mm
M2 - Thread Pitch 0.4mm
M2.5 - Thread Pitch 0.45mm
M3 - Thread Pitch 0.5mm
M3.5 - Thread Pitch 0.6mm
M4 - Thread Pitch 0.7mm
M5 - Thread Pitch 0.8mm
M6 - Thread Pitch 1mm
The product utilises high-strength carbon steel material combined with electroplating technology, offering high toughness, excellent cold and hot working properties, and superior machinability.
Wide range of applications:
Carbon steel bolt material, commonly known as high-strength bolts, is suitable for connecting beams and columns in steel frame structures, connecting solid web beams, connecting heavy crane beams in industrial plants, and connecting critical structural components in braking systems and those subjected to dynamic loads.
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.
