countersund head cross self-drilling self-tapping screws

Breaf Introduction:

    our products are well-sold both in china and abroad because of its high quality.

the trade-mark "YuanRui" is our brand.it means smoothly and sharpness which indicate the best manufacturing skill and technique and durable ability of our making materials.

   we hope to be the no.1 manufacturer of this products in china. now many other producers in china use our brand to fraud we promise to provide our best services to cooperate with all the clients all over the world with our proud products.

screws normal size:

3.5x19

3.5x25

3.5x32

3.5x35

3.5x41

3.5x45

3.5x51

3.5x55

3.9x25

3.9x35

3.9x45

3.9x55

4.2x25

4.2x32

4.2x35

4.2x45

4.2x55

4.2x63

4.2x75

countersund head cross self-drilling self-tapping screws photos show:

countersund head cross self-drilling self-tapping screws factory photos show: