Product Description：
Model: Serrated Expansion Screw
Type: Internal Expansion Screws
Material: Carbon Steel
Finish: Color Zinc/Blue White Zinc
Sizes to choose from:
Color Zinc M5x30mm+Countersunk 4x30mm
Color Zinc M6x32mm+Countersunk 5x40mm
Color Zinc M8x38mm+Countersunk 6x40mm
Color Zinc M8x60mm+Countersunk 6x60mm
Blue White Zinc M8x38mm+Hex 6x40mm
Blue White Zinc M8x60mm+Hex 6x60mm
Blue White Zinc M10x60mm+Hex 8x60mm
Color Zinc M5x30mm+304 Countersunk 4x30mm
Color Zinc M6x32mm+304 Countersunk 5x40mm
Color Zinc M8x38mm+304 Countersunk 6x40mm
Color Zinc M8x60mm+304 Countersunk 6x60mm
Blue White Zinc M8x38mm+304 Hex 6x40mm
Blue White Zinc M8x60mm+304 Hex 6x60mm
Blue White Zinc M10x60mm+304 Hex 8x60mm
Blue White Zinc M5x30mm
Blue White Zinc M6x32mm
Blue White Zinc M8x38mm
Blue White Zinc M8x60mm
Blue White Zinc M10x60mm
Color Zinc M5x30mm
Color Zinc M6x32mm
Color Zinc M8x38mm
Color Zinc M8x60mm
Color Zinc M10x60mm
Type: Internal Expansion Screws
Material: Carbon Steel
Finish: Color Zinc/Blue White Zinc
Sizes to choose from:
Color Zinc M5x30mm+Countersunk 4x30mm
Color Zinc M6x32mm+Countersunk 5x40mm
Color Zinc M8x38mm+Countersunk 6x40mm
Color Zinc M8x60mm+Countersunk 6x60mm
Blue White Zinc M8x38mm+Hex 6x40mm
Blue White Zinc M8x60mm+Hex 6x60mm
Blue White Zinc M10x60mm+Hex 8x60mm
Color Zinc M5x30mm+304 Countersunk 4x30mm
Color Zinc M6x32mm+304 Countersunk 5x40mm
Color Zinc M8x38mm+304 Countersunk 6x40mm
Color Zinc M8x60mm+304 Countersunk 6x60mm
Blue White Zinc M8x38mm+304 Hex 6x40mm
Blue White Zinc M8x60mm+304 Hex 6x60mm
Blue White Zinc M10x60mm+304 Hex 8x60mm
Blue White Zinc M5x30mm
Blue White Zinc M6x32mm
Blue White Zinc M8x38mm
Blue White Zinc M8x60mm
Blue White Zinc M10x60mm
Color Zinc M5x30mm
Color Zinc M6x32mm
Color Zinc M8x38mm
Color Zinc M8x60mm
Color Zinc M10x60mm
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.
