Place of Origin:

Shanghai, China

Brand Name:

JM

Model Number:

self drilling screw

Standard:

DIN

Name:

Carbon steel truss head round m4 drilling screw

Finished:

zinc plated(clear/bule/yellow)+wax,black/grey phosphate,nickel, ruspet

Length:

10-180mm

Screw type:

BSD, CSD

Head type::

hex , flat, pan, truss, round, hex washer, Oval, pan framing, bugle

MTR::

Carbon Steel , 304, 316, etc

Material::

C1022+ heat treatment, SS304, SS316

Drill point::

#2, #3

Standard No::

ASME B18.6.4 & SAE J78 DIN7504K, DIN7504P,DIN7504N

Brand:

JM (united states trademark principal register)