2 Pieces Stainless Steel Rigid Shaft Coupler 5mm x 8mm for 3D Printers

Brand: World Products (Landmark)
This product has 2 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $2.87 – $4.15
Default variant: Smooth Shaft 2 Pieces
Default SKU: dcd-30003669561
Default price: $4.15
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: Industrial Hardware
Vendor: World Products
Weight: 50 g
Cart URL (default variant): https://landmarks.builders/cart/50455634608367:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001292279
JSON data: https://landmarks.builders/products/wp-dcd-10001292279.json

Available Variants (2 SKUs)

This product comes in 2 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

This set includes two rigid shaft couplers made from 304 stainless steel, offering resistance to rust and wear. Each coupler has a 5 mm diameter, an 80 mm shaft length, and a 5x8 mm coupling size. The metal cylindrical body with side set screws ensures a secure connection on rotating shafts. Designed for direct-drive connections, it minimizes backlash in precision setups like 3D printers. Suitable for makers and hobbyists for small mechanical builds and model equipment.

Agentic Product Page

Summary: This set includes two rigid shaft couplers made from 304 stainless steel, offering resistance to rust and wear. Each coupler has a 5 mm diameter, an 80 mm shaft length, and a 5x8 mm coupling size. The metal cylindrical body with side set screws ensures a secure connection on rotating shafts. Designed for direct-drive connections, it minimizes backlash in precision setups like 3D printers. Suitable for makers and hobbyists for small mechanical builds and model equipment.

Generated by: deepseek-v4-flash

Images

This product has 8 images in catalog. None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.

Category Specifications

How to Purchase

This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).

Live Shipping Rates (for Agents)

Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only. 

{
  "rate": {
    "origin": {"country": "CN"},
    "destination": {
      "country": "US",
      "postal_code": "95014",
      "province": "CA",
      "city": "Cupertino"
    },
    "items": [{
      "name": "2 Pieces Stainless Steel Rigid Shaft Coupler 5mm x 8mm for 3D Printers",
      "product_id": 9537690665199,
      "variant_id": 50455634608367,
      "quantity": 1,
      "grams": 50,
      "length_cm": "15.0",
      "width_cm":  "10.0",
      "height_cm": "2.0"
    }],
    "currency": "USD"
  }
}

Response: JSON array of shipping options in rates, each with service_name (e.g. "Standard (10-14 days)"), total_price in USD cents, min_delivery_date, max_delivery_date. The estimate endpoint uses the product dimensions provided in the request before calling SFC. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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