Hom ntsia hlau:
A: Tshuab Ntsia Hlau
B: Tapping Screw: Self-tapping ntsia hlau (rau hlau thiab yas)
B-1: Sheet Hlau Tapping Ntsia Hlau. (Iron tuag self-tapping ntsia hlau)
B-2 : Yas Tapping Ntsia Hlau. (Rau yas, tus kheej tapping ntsia hlau)
C: Ntoo Screw: Woodworking ntsia hlau
D: Drywall Screw: Cement phab ntsa ntsia hlau
E: Self Drilling Screws
E-1: STAINLESS STEEL NTAWM SELF DRILLING Screws
E-2:Bi-Metal Self Drilling Screws
Cov khoom siv ntsia hlau:
a. Cov pa roj carbon tsawg
b. Stainless hlau 304
c. Stainless hlau 302: zoo structural toughness
d. Aluminium alloy 5052
d. tooj dag
e. Bronze
f. UNS C11000 Copper: Antimony Copper
