Flat Shackle M4–M6 — A4 316 Marine Grade Stainless Steel

Marine grade A4 (AISI 316) stainless steel flat shackles — strong, corrosion-resistant rigging hardware with a low-profile straight body for boats, the outdoors and any application where a flat-sided shackle is needed.

Why choose stainless steel flat shackles?

• Marine grade A4 (AISI 316) stainless — superior pitting and salt-water resistance over A2.
• Flat straight body — sits cleanly against webbing, plates and panels with minimal protrusion.
• Forged construction with reliable working load.
• Three thread/pin sizes from M4 to M6 for everyday rigging and DIY work.

Sizes available

• M4 — 4mm pin diameter
• M5 — 5mm pin diameter
• M6 — 6mm pin diameter

Pack options

Available as a 1-unit sample, or in packs of 2, 4 or 10 — pick the quantity that suits your project.

Typical uses for stainless steel flat shackles

Sailing and yacht rigging, anchor lines, lashing, livestock and pet chains, agricultural use, climbing and tree work, outdoor signage, webbing connectors and any marine or weather-exposed connection where a flat shackle profile is needed.

Delivery

Same-day dispatch on orders placed before 2pm. Free UK delivery on orders over £20.