MS head

No pre-drill countersunk
No mushroom around the head and provides the perfect appearance

Magic Spiral

The Magic Spiral under head design can eliminate the burring and provide the neat surface Magic Spiral

1.Wood to wood 

2.Hard wood to metal (ex. IPEIronwoodTigerwoodBangkirai…)

3.Soft wood to metal (ex. PINECedarPlywoodChipboard…)

4.Cement fiber board


6.MDF(MDF to metal)