AnchorMark Decking Screw A4 316 S2 5.5x38 TTM\BiMetal x 100

Stock Code:
663659
Price:
$93.28

AnchorMark Decking Screw A4 316 S2 – 5.5 x 38mm TTM/BiMetal (Box of 100)

The AnchorMark 5.5 x 38mm A4 316 S2 Decking Screw with TTM/BiMetal construction is engineered for fast, secure fastening of timber to steel or aluminium subframes—especially in tight-clearance or low-profile applications. Compact yet powerful, this screw combines an A4 (316) stainless steel body for exceptional corrosion resistance with a hardened carbon steel drill tip for clean, efficient drilling into metal without pre-drilling.

Perfect for marine, coastal, or outdoor installations, it features a Torx-compatible S2 drive for slip-free driving, excellent torque control, and a neat, professional finish.

Key Features:

  • Size: 5.5mm x 38mm

  • Material: A4 316 stainless steel body with BiMetal hardened tip

  • Drive Type: S2 Torx/Star

  • Type: TTM (Timber-to-Metal) self-drilling screw

  • Application: Ideal for timber to steel or aluminium joists

  • Finish: Corrosion-resistant, suitable for marine or outdoor use

  • Quantity: 100 screws per box

Recommended For:

  • Thin decking boards or low-profile timber installations

  • Coastal boardwalks, jetties, or aluminium subframes

  • Projects requiring minimal screw length with maximum grip

The 5.5 x 38mm TTM screw delivers compact performance and long-lasting durability where timber meets metal in demanding environments.

Details

  • Diameter:
    5.5mm
  • Length:
    38mm