TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section A2 Stainless Steel Bi-Metal Drill Screw - 5.5 x 85 (100pcs)

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.

Corrosion Rating

4 - Urban & industrial areas with a moderate salt atmosphere

Description

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.

Drill Tip Angle degree

110

Drill Tip Length mm

17.00

Drill Tip Width mm

5.00

Driver Bit Size

PH3

Effective Thread Length mm

45 *P/T

Finish

Exterior (Silver Organic)

Head Dia. mm

10.50

Head Height mm

3.00

Head Type

Countersunk with Ribs

Length mm

85

Material

Bi-Metal/A2-304 Stainless Steel/Carbon Steel

Max Drilling Thickness mm

12.0

Max Fixture Thickness mm

57

Max Torque Nm

6

Pack Dimensions L x W x H mm

135 x 90 x 90

Pack Weight kg

1.175

Point Type

Self-Drilling No.5

Product Code

BMHW85

Rec RPM

1,000 - 1,800

Recess Type

Phillips

Size mm

5.5 x 85

Substrates

Steel, Timber

Thread Dia. mm

5.5

Thread Type

Metric, *P/T = Partially Threaded

To Suit Timber mm

30 - 49

Wing Tip Width mm

7.00