Hex Washer Head Self-Drilling screw,With EPDM Washer

Hex washer head self tapping screw with EPDM washer

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

Size: #4(2.8)-1/2″, Length: 10-180mm (3/8”- 7”)

Head type: hex , flat, pan, truss, round, hex washer, Oval, pan framing, bugle, fillister

Drive type: Phil, slotted, Phil & slotted combination, hex socket

Drill point: #2, #3

Screw type: BSD, CSD

Material: C1022+ heat treatment

Finish: zinc plated(clear/bule/yellow), black/grey phosphate,nickel, ruspert