Bi-Met Wing Tip No5 Self Drill Screw 200 PCS

Specifically designed to attach wood to metal (Max. 12mm). Metric thread with wings designed to ream out the timber, so the screw can achieve Max. R.P.M. without burning out. When the wings hit the metal they will break off to permit the thread to self-tap into the metal.

• Hardened carbon steel drill tip fused on to an A2-304 Austenitic Stainless Steel body

• Thread Ø: (mm) 5.5

• Rec. RPM: 1,000 - 1,800

• Point Type: Self-Drilling No.5

• Driver Bit Size: PH3

• Head Type: Countersunk with Ribs

• Pack Type: Box

• Material: Bi-Metal/A2-304 Stainless Steel/Carbon Steel

• Thread Type: Metric

• Corrosion Rating (1-5): 4 - Urban & industrial areas with a moderate salt atmosphere

• Substrates: Steel, Timber

• Recess Type: Phillips

• Finish Exterior: (Silver Organic)

• Drill Tip L: (mm) 21