Specifically designed to attach wood to light section steel (Max. 3mm). Coarse self-tapping 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.
WingTip Screw S/DRILL No3 Zinc

WingTip Screw S/DRILL No3 Zinc - 4.2 x 38 (Box 200)

SKU: LW4238B
£7.64 inc. VAT
£9.33 Sale £7.64 inc. VAT
Description

TIMCO Self-Drilling Wing-Tip Steel to Timber Light Section Silver Screws - 4.2 x 38

Specifically designed to attach wood to light section steel (Max. 3mm). Coarse self-tapping 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.

Effective Thread Length mm 19
Point Type Self-Drilling No.3
Pack Type Box
Size mm 4.2 x 38
Drill Tip Length mm 13
Rec RPM 1,000 - 1,800
Driver Bit Size PH2
Length mm 38
Head Type Countersunk with Ribs
To Suit Timber mm <18
Included Items PH2 S2 Bit (Qty 1)
SKU Barcode 5056110842950
Head Height mm 4
Thread Dia. mm 4.2
Corrosion Rating 1 - Clean, dry & low humidity environments
Finish Zinc
Material Case & Core Hardened Carbon Steel
Thread Type Coarse Self-Tapping
Type For Timber to Light Section Steel
Product Code LW4238B
Head Dia. mm 9.5
Description Specifically designed to attach wood to light section steel (Max. 3mm). Coarse self-tapping 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.
Max Drilling Thickness mm 3
Pack Quantity 200
Recess Type Phillips
Max Fixture Thickness mm 20
Substrates Steel, Timber
Pack Quantity Unit Pieces
Pack Dimensions L x W x H mm 95 x 90 x 60
Pack Weight kg 0.7
Carton Qty Packs 16
Carton Qty pcs 3200
Thread Coverage Fully Threaded