Self-Drilling Heavy Section A2 Stainless Steel Bi-Metal Screws – 5.5 x 55 – 100 Pack

£35.33 inc. VAT

160 in stock

SKU: BMH55

Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole.

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

Carton Qty Packs15

Corrosion Rating4 – Urban & industrial areas with a moderate salt atmosphere

Drill Tip Length mm17mm

Effective Thread Length mm34mm

FinishExterior (Silver Organic)

Fixed Washer Dia. mm11mm

Head Height mm5.3mm

Head TypeHex

Length mm55mm

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

Max Drilling Thickness mm12mm

Pack Dimensions L x W x H mm135 x 90 x 60mm

Pack Quantity100

Pack Quantity UnitPieces

Pack TypeBox

Pack Weight kg0.895kg

Pallet Qty Packs540

Point TypeSelf-Drilling No.5

Rec RPM1,000 – 1,800

Size mm5.5 x 55mm

Socket Size mm8mm

SubstratesSteel

Thread CoverageFully Threaded

Thread Dia. mmM5.5mm

Thread TypeMetric with V Flutes

pa_typeFor Heavy Section Steel