dfh.fm
ERCF v2 / v3 D-Cut Gear Shaft — by gate count
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The gear drive shaft for an ERCF v2 or v3, cut to the BOM length for your gate count. One shaft runs the whole gate row; pick the variant that matches your build and skip the hacksaw.
Which variant
| Gates | D-cut shaft | Matching 8mm rods | Matching 2020 extrusion |
|---|---|---|---|
| 4 | 164mm | 2× 145mm | 147mm |
| 6 | 210mm | 2× 191mm | 193mm |
| 8 | 256mm | 2× 237mm | 239mm |
| 9 | 279mm | 2× 260mm | 262mm |
| 12 | 348mm | 2× 329mm | 331mm |
Lengths are the official BOM formula (72mm + 23mm per gate). The v3 BOM keeps the v2 gate pitch, so the same shaft serves both versions; upgrading v2 to v3, your shaft carries over and it is the extrusion (now tapped) and the gear motor that change. The BOM is written for any gate count; vendors default to 4, 8 and 12, so we cut 6 and 9 as well.
Specifications
- Diameter: 5mm, −0.02 / −0.03 (supplier drawing in the photos).
- Flat: 4.3mm across the flat (0.7mm deep), full length.
- Material: stainless steel, bright finish, not hardened.
Not included
- 8mm smooth rods and the 2020 extrusion. The 2020 Extrusion listing carries all five ERCF lengths.
- Gears, bearings, motors, printed parts. The V2.x Community Edition kit is the full hardware set.
Gotchas
- v1.1 builds use a different length table (159 / 201 / 269 / 337 for 4 / 6 / 9 / 12 carts). Those are on the v1.1 shaft listing.
- Same shaft, same price and same stock as the matching length on our 5mm D-Cut Shaft page.
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 the windows below.
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 email support@dfh.fm 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 at support@dfh.fm.
Order alterations and cancellations:
Once an order has been 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 returned, I will not be responsible for returning 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.
