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AnchorMark Decking Screw A4 316 S2 5.5x45 TTM\BiMetal x 100

Stock Code:

663660

$AnchorMark Decking Screw A4 316 S2 5.5x45 TTM\BiMetal x 100$

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$AnchorMark Decking Screw A4 316 S2 5.5x45 TTM\BiMetal x 100$
$AnchorMark Decking Screw A4 316 S2 5.5x45 TTM\BiMetal x 100$
$AnchorMark Decking Screw A4 316 S2 5.5x45 TTM\BiMetal x 100$
$AnchorMark Decking Screw A4 316 S2 5.5x45 TTM\BiMetal x 100$

Price:

$97.35

AnchorMark Decking Screw A4 316 S2 – 5.5 x 45mm TTM/BiMetal (Box of 100)

The AnchorMark 5.5 x 45mm A4 316 S2 Decking Screw with TTM/BiMetal design is a high-performance fastener specifically engineered for fixing timber to steel or aluminium subframes in outdoor and marine environments. This screw combines the corrosion resistance of A4 (316) stainless steel with the strength of a hardened carbon steel drill tip—allowing clean, precise penetration into metal without pre-drilling.

Ideal for low-profile decking installations where a shorter screw is required, it features a secure S2 drive recess for reliable torque transfer and reduced cam-out. Perfect for hardwood decking boards, jetties, or pergolas where long-term durability is a must.

Key Features:

Size: 5.5mm x 45mm
Material: A4 316 stainless steel with BiMetal hardened drill tip
Drive Type: S2 – Torx/Star for precise engagement
Application: Timber-to-metal (TTM), especially over steel or aluminium frames
Finish: Excellent corrosion resistance, ideal for marine or outdoor use
Pack Size: 100 screws per box

Best For:

Timber decking on steel or aluminium joists
Marine and coastal installations
Smaller board or low-clearance deck designs

Built for demanding conditions, the 5.5 x 45mm TTM/BiMetal decking screw delivers clean finishes, superior holding power, and outstanding corrosion resistance.