Countersunk head cross self drilling screw

Name

Countersunk Cross Recessed Self Drilling Screws

Flat Head Phillips Self Drilling Tek Screws

Standard

GB/T 15856.1, DIN 7504P

Size

ST3.5 ~ ST6.3

#6 ~ #14

Length

13mm ~ 120mm

Grade

Carbon steel hardened grade, A2-70 stainless

Material

Carbon steel, Stainless steel 410/304

Surface

Blue white zinc, color zinc, black dacromet 

Specification