dfh.fm
Spring Clip for 30 Series Extrusion
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Single M8 roll-in spring T-nut for 30-series slot-8 aluminum extrusion. The spring leaf holds the nut in the slot while you line up brackets, panels, and printer-frame hardware, so you are not chasing a loose nut down the rail during assembly.
Why use this over a plain slide-in nut
- Roll-in/drop-in style can be added at the mounting point instead of feeding from the end of the extrusion.
- Leaf spring keeps the nut positioned in deeper T-slots while you start the screw.
- M8 thread suits heavier 30-series and 40-series slot-8 profile hardware where an M3 or M5 T-nut is too small.
Specifications
- Thread: M8
- Profile fit: 30-series / 3030 slot-8 aluminum extrusion; also commonly used on 4040 Bosch-style slot-8 profiles
- Slot requirement: 8 mm T-slot
- Material/finish: nickel-plated steel style spring T-nut
- Quantity: sold individually
Fitment notes
- Use for mounting brackets, plates, panels, feet, and accessories to 3030/4040-style printer, CNC, and machine frames.
- Not for 20-series / 2020 extrusion with 6 mm slots; use Hammerhead T-Nuts for 20 Series Aluminium Extrusion or Roll-In Spring Nuts where those thread/slot sizes match your frame.
- Not for 15 mm MakerBeamXL/OpenBeam profiles; use the MakerBeam XL T-Nut for that system.
- Some 40-series extrusion uses a 10 mm slot instead of slot-8; check your profile before ordering.
Shipping & Returns
Returns:
Thank you for purchasing from dfh.fm. I want you to be completely satisfied with your purchase. If for any reason you are not satisfied, you may return your purchase within 60 days of the original purchase date.
Defective items: Please inspect items upon receipt. If you receive a defective item, you may return it for a full refund or replacement within 90 days of the original purchase date. Please contact me to initiate a return for a defective item.
Non-defective items: If you are not satisfied with a non-defective item, you may return it for a refund within 30 days of the original purchase date. A 20% restocking fee will be deducted from the refund amount, to offset the time and inconvenience, as I am the sole employee processing the return and restocking the item. The fee also covers the costs associated with processing the return. Refunds for non-defective items will be issued through the original payment method.
Preordered items: Due to the nature of preorders, delivery dates are subject to change. Please keep in mind that, If you have preordered an item, it is not eligible for a refund until after it has arrived at the store. Once the item arrives at the store and is inspected, you may request a refund within 30 days of the original purchase date. Please note that refunds for preordered items may take up to 10 days to be issued.
To initiate a return, please open a ticket on the shop’s discord channel, with your order number and the reason for the return. We will provide you with further instructions on how to return your purchase.
Thank you for shopping with us. If you have any questions or concerns, please don't hesitate to contact me, via Discord.
Order alterations and cancellations:
Once an order has ben submitted, no alterations can be made. This includes adding or removing items or canceling orders. You are welcome to return an order, once you have taken receipt, following the returns procedure listed above.
Shipping:
US Shipping is via UPS or USPS. The way it is set up shows the least expensive options for standard, priority and express shipping. I can not take special requests for specific carriers at this time.
International shipping is mostly UPS, as I utilize Zonos/UPS integration to tally extremely accurate import and shipping costs.
I require a telephone and email with international orders and you must make yourself available to the carrier or your customs, should they require more information. If you are unreachable and the package is discarded or rerturned, I will not be responsible for rerturning your shipping cost.
If there is a problem with an international order, it is my choice to refund part or all of the order, or send a replacement.
Addresses are verified through Shopify, but the customer is still responsible for inputting their address in the correct format. Any returns or lost shipments, due to incorrectly addressed packages, are the responsibility of the customer.
