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.
WingTip Screw SDRILL No4 BIMET

WingTip Screw SDRILL No4 BIMET - 5.5 x 55 (Box 200)

SKU: BMHW55
£114.56 inc. VAT
£137.59 Sale £114.56 inc. VAT
Description

TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 55

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

Pack Quantity 200
Product Code BMHW55
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.
Pack Type Box
To Suit Timber mm 13
SKU Barcode 5055893352212
Pack Quantity Unit Pieces
Recess Type Phillips
Finish Exterior (Silver Organic)
Corrosion Rating 4 - Urban & industrial areas with a moderate salt atmosphere
Substrates Steel, Timber
Rec RPM 1,000 - 1,800
Material Bi-Metal/A2-304 Stainless Steel/Carbon Steel
Length mm 55
Size mm 5.5 x 55
Driver Bit Size PH3
Point Type Self-Drilling No.5
Head Type Countersunk with Ribs
Thread Type Metric
Effective Thread Length mm 24
Thread Dia. mm 5.5
Carton Qty pcs 3200
Carton Qty Packs 16
Max Drilling Thickness mm 12
Drill Tip Length mm 21
Head Height mm 3
Type For Timber to Heavy Section Steel
Head Dia. mm 10.5
Max Fixture Thickness mm 27
Pack Dimensions L x W x H mm 135 x 90 x 90
Pack Weight kg 1.467
Thread Coverage Fully Threaded