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STCRERAG 50 Pcs M4 Threaded Insert Brass Internal Thread Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut 3D Printing Brass Nuts M4 Heat Set Inserts for 3D Printing Parts Plastic Shell

Brand: STCRERAG
  • [High Quality Brass and Corrosion Resistant]:The nut is made of high-quality brass.The high-quality brass makes the nut have the characteristics of corrosion resistance,heat resistance and oxidation resistance. It is sturdy and durable,even if it is in a humid environment for a long time,it will not rust and looseness.
  • [Screw design and easy insertion]:The screw cap is designed with a very easy-to-use screw,and the positioning effect is good, can ensure that the screw cap inserted into the hot-melt plastic without damaging the plastic,providing you with a lot of convenience.
  • [M4 standard deep thread]:The thread of the nut is a standard deep thread,and the outer side of the nut also has a unique knurling pattern,can prevent the fingers from slipping effectively when tightening.The hole of this nut also has a very high tightening force after cooling.Make the fixed object stable and not easy to deform.
  • [Polishing smooth and good thermal conductivity]: Each nut is carefully polished without any burrs on the surface. Copper has good thermal conductivity, so that the copper nut not only heats up quickly and speeds up work efficiency, but the copper nut also conducts heat to the plastic part, Make the plastic holes softer so that it is easier to press into the holes.
  • [Suitable for Most 3D Printer Parts]:While using,you just need to insert into the hole,heat the threaded insert with a soldering iron.After heating,press the threaded insert in.Then cool down and tightenscrews.The press-in nuts can easily be inserted by ultrasound or heat (soldering iron).This threaded nut is not only very suitable for PLA,PETG,ABS,PPS,PP and other thermoplastics,but also suitable for most 3D printer parts.
Brand: STCRERAG
Size: M4
Color: Gold
Manufacturer: STCRERAG
Part Number: 9ZH1KWV
Material Type: Brass
Isin: IRQFN5DEKMQU

$28.76

  • Free shipping in US
  • Arrives:

  • Free 30-Day returns

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Sold by , Fulfilled by IBSPOT
Ships from USA

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STCRERAG 50 Pcs M4 Threaded Insert Brass Internal Thread Knurled Brass Nuts Female Thread Knurled Heat Embedment Nut 3D Printing Brass Nuts M4 Heat Set Inserts for 3D Printing Parts Plastic Shell

STCRERAG 50 Pcs M4 Threaded Insert Brass Internal Thread Knurled Brass Nuts F...

$28.76

STCRERAG Compression Nuts with Brass Threaded Bushings for Plastic Parts --- ideal copper nut inserts to help secure objects more easily.

Feature:
1,The workmanship of each nut of this product is very fine,so this nut has small tolerance and high precision.
2,The unique knurled outer pattern design can not only play a certain decorative role when fixing objects, but also increase the friction force, which is convenient for tightening the nut without slipping.
3,This set of nuts contains 50 hot-melt copper nuts, which are enough to meet the needs of daily life.
4,Widely used in construction industry,new energy,petrochemical industry, shipbuilding industry, communication industry, light industry and many other fields.
This hot-melt copper nut is cylindrical with a figure-eight pattern on it, it looks very simple and beautiful l

Specifications
Material: C3604 Brass Material
Size: M4*6*46mm
Color: Gold
Weight:18g

Package includes:

 

Processing Time

  • We process and ship orders Monday through Friday, excluding holidays.
  • Most orders are processed within 1–3 business days, depending on product availability.
  • Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.

Shipping Coverage

We currently ship to addresses within the United States only.

Products may ship from:

  • Our U.S. warehouses, or
  • Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).

Each product page clearly displays the “Ships From” location before checkout.


Shipping Methods & Estimated Delivery

 

Shipping Method Estimated Delivery Cost
Free Shipping (US) 5–10 business days Free, available on eligible items
Standard Shipping (US to US by Item) 5–10 business days $6.50 for the first item, $2.00 each additional
Standard Shipping (From US Warehouse by Weight) 3–7 business days Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb.
Extended Delivery (Ships from Overseas Warehouse) 10–20 business days $14.50 for the first item, $2.00 each additional

Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.

Free Shipping

We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout. 


Carriers

We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.


Import Duties & Taxes

All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.


Tracking & Notifications

Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.

You can track your shipment anytime using the Track Your Order page on our website.


Order Changes & Cancellations

If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.

Contact: support@ibspot.com


Item Not Received

If your tracking number shows “Delivered” but you haven’t received your package:

  1. Check with your local USPS or UPS office.
  2. Confirm that the shipping address provided was correct.
  3. If the issue remains unresolved, contact support@ibspot.com for assistance.

Damaged or Lost Parcels

If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.


Customer Support

For any questions about shipping, tracking, or delivery, our customer support team is here to help.

Email: support@ibspot.com

We’re always happy to help.

Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.


Order Cancellation Policy

Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.

How to Request a Cancellation

You can contact us through:

Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.


Return Policy

We accept returns for most items within 30 days of delivery for a full refund.

To be eligible for a return:

  • The item must be unused, in the same condition as received, and in its original packaging.
  • A tracking number must be provided to confirm the return shipment.

Non-Returnable Items

Certain products cannot be returned, including:

  • Perishable goods (for example, food, flowers, newspapers, magazines)
  • Intimate or sanitary goods
  • Hazardous materials or flammable liquids/gases
  • Gift cards
  • Downloadable software
  • Some health and personal care items

Partial Refunds (If Applicable)

Partial refunds may be granted in specific situations, such as:

  • Books with obvious signs of use
  • Opened CDs, DVDs, software, or vinyl records
  • Items not in their original condition, damaged, or missing parts not due to our error
  • Items returned more than 30 days after delivery

How to Return an Item

To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.


Shipping Cost for Returns

Please contact us before returning any item.
We will provide a free return shipping label.

If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.

For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.


Refund Processing

Once your return is received and inspected:

  • In-store returns are refunded to the original form of payment or issued as a gift card.
  • Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.

Please allow:

  • 5–7 business days for the return to reach our Returns Center.
  • An additional 3–10 business days for your bank to post the refund to your account.

Damages, Issues & Claims

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If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.

Product Claims

Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.


Exchanges

We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.


Return Address

IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States


Customer Support

Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.

Email: support@ibspot.com
Contact Form: Contact Us page

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