Taiwan Special Stainless Steel Roofing High Hardness TEK Self Drilling Screws

Place of Origin:

Taiwan, China

Brand Name:

Cheng Hao

Model Number:

SSDS

Standard:

ISO

Material:

Special Stainless Steel

Diameter Range:

M1.2~M25, #0~4"

Length Range:

6mm~300mm

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