hamma® SF317 Round Ring

from $1.06

hamma® SF317 Round Ring is a ring for boats and yachts, available in 3 sizes.

Rings are used for lashings, lacing, bimini and cover tie-downs, and joining rigging fittings. Sizes run from 4mm × 25mm G304 to 5mm × 40mm; compare sizes and dimensions in the table below. Genuine Arcus hamma® hardware, supplied by ASW Marine Parts for boat owners across Australia.

  • Material: AISI 304 stainless steel
  • Breaking load: 2,000 kg (Arcus size table)
  • Sizes: 3
  • Specifications: Arcus Marine Product Catalogue 2025, p.45

FAQ

Which size do I need? Compare the size and dimensions in the table with your application. If you are replacing an existing fitting, measure it or quote the Arcus code. Dimension letters (A, B, L and so on) follow the Arcus catalogue drawing.

What load is it rated for? Arcus lists a breaking load of 2,000 kg. Breaking load is not a safe working load; size your rigging with a suitable safety factor.

Do prices include GST? Yes. All prices are in Australian dollars and include GST.

CodeSize (mm)ØD (mm)L (mm)Breaking load (kg)Price inc GST
HM-4317-04254mm × 25mm G304$1.06
HM-6317-05355*355352,000$1.54
HM-6317-05405*405402,000$1.68
Size:

hamma® SF317 Round Ring is a ring for boats and yachts, available in 3 sizes.

Rings are used for lashings, lacing, bimini and cover tie-downs, and joining rigging fittings. Sizes run from 4mm × 25mm G304 to 5mm × 40mm; compare sizes and dimensions in the table below. Genuine Arcus hamma® hardware, supplied by ASW Marine Parts for boat owners across Australia.

  • Material: AISI 304 stainless steel
  • Breaking load: 2,000 kg (Arcus size table)
  • Sizes: 3
  • Specifications: Arcus Marine Product Catalogue 2025, p.45

FAQ

Which size do I need? Compare the size and dimensions in the table with your application. If you are replacing an existing fitting, measure it or quote the Arcus code. Dimension letters (A, B, L and so on) follow the Arcus catalogue drawing.

What load is it rated for? Arcus lists a breaking load of 2,000 kg. Breaking load is not a safe working load; size your rigging with a suitable safety factor.

Do prices include GST? Yes. All prices are in Australian dollars and include GST.

CodeSize (mm)ØD (mm)L (mm)Breaking load (kg)Price inc GST
HM-4317-04254mm × 25mm G304$1.06
HM-6317-05355*355352,000$1.54
HM-6317-05405*405402,000$1.68