Index Screws A4 St/St Sleeper Screws

Index Screws A4 Stainless Steel also known as Sleeper Screws, with a 8.0mm hexagon head and a washer face in marine grade A4 316 stainless steel. Ideal fixings with permanent rust resistance ideal for salt water environments. A4 Fixings for use into timber, decking, stairs, fencing, roofing, landscaping and more. Often used in oak sleepers or structures and seaside installations. Designed for superior clamping force, and is also suitable in Green oak.

Index Screws A4
Size (Diameter x Length)Box QuantityUPC
6.7mm x 50mm255056110831756
6.7mm x 75mm255055017575510
6.7mm x 100mm255055017575527
6.7mm x 125mm255055017575534
6.7mm x 150mm255055017575541
6.7mm x 200mm255056110831763
6.7mm x 250mm255056110833033
6.7mm x 300mm255056110833040
INDEXWSS-feature1INDEXSST-feature2INDEXSST-feature3

Index Screws/Sleeper Screws A4 Features:

  • 25 degree sharp point for easier penetration into all wood types.
  • 50 degree deep single thread to provide secure fixing with high pull-out resistance.

Possible alternatives are Countersunk Torx screws in A4 316 available up to 6mm & 8mm diameters and 200mm long.

If you would like more information on Index Screws A4, then please contact the Swiftfix team.

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