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.

Brand Name	TIMCO
Colour	Exterior (Silver Organic)
Material	Bi-Metal/A2-304 Stainless Steel/Carbon Steel
Manufacturer Model No	BMHW120
Wear Type	N/A
Type	Screw
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
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
Head Dia. mm	10.50
Head Height mm	3.00
Head Type	Countersunk with Ribs
Length mm	120
Max Drilling Thickness mm	12.0
Max Fixture Thickness mm	92
Max Torque Nm	6
Pack Dimensions L x W x H mm	135 x 90 x 90
Pack Weight kg	1.675
Point Type	Self-Drilling No.5
Rec RPM	1,000 - 1,800
Recess Type	Phillips
Size mm	5.5 x 120
Substrates	Steel, Timber
Thread Dia. mm	5.5
Thread Type	Metric, *P/T = Partially Threaded
To Suit Timber mm	50 - 84
Wing Tip Width mm	7.00