Taiwan Make No Rust High Hardness Stainless Steel Hex Washer Head Pan Head Self Drilling Screws

Place of Origin:

Taiwan, China

Brand Name:

Cheng Hao

Model Number:

NSSC YUS 550

Standard:

ISO

Material:

Stainless YUS 550

Thread size:

M1.2~M25, #0~4"

Head type:

Hex washer, Pan, Truss....

Salt Spray test:

6000~15000hours

Kesternich test:

over 100 cycles

Hardness:

615~640HV

Tek#3:

directly drill through 5mm S/S plate

Tek#5:

directly drill through 13mm steel plate

High quality:

Replaces Bi-metal

No Rust:

over 200 years outdoors