Fasteners and Hardware
Tech specs for the fasteners and hardware in FarmBot Genesis. Visit our shop to purchase parts.
| Component | $/Unit | Genesis Qty | Genesis Subtotal | XL Qty | XL Subtotal |
|---|---|---|---|---|---|
| M2.5 x 4mm Screws | $0.15 | 8 | $1.20 | 8 | $1.20 |
| M2.5 x 6mm M/F Standoffs | $0.50 | 4 | $2.00 | 4 | $2.00 |
| M2.5 x 16mm M/F Standoffs | $0.50 | 4 | $2.00 | 4 | $2.00 |
| M3 x 6mm Screws | $0.10 | 10 | $1.00 | 10 | $1.00 |
| M3 x 12mm Screws | $0.15 | 40 | $6.00 | 40 | $6.00 |
| M3 Locknuts | $0.10 | 20 | $2.00 | 20 | $2.00 |
| M5 x 10mm Screws | $0.15 | 175 | $26.25 | 250 | $37.50 |
| M5 x 16mm Screws | $0.20 | 40 | $8.00 | 40 | $8.00 |
| M5 x 30mm Screws | $0.30 | 45 | $13.50 | 45 | $13.50 |
| M5 Locknuts | $0.10 | 70 | $7.00 | 70 | $7.00 |
| M5 Washers | $0.05 | 100 | $5.00 | 100 | $5.00 |
| M5 x 6mm Spacers | $0.20 | 30 | $6.00 | 30 | $6.00 |
| M5 x 6mm Eccentric Spacers | $2.00 | 15 | $30.00 | 15 | $30.00 |
| M5 Tee Nuts | $0.40 | 175 | $70.00 | 250 | $100.00 |
| 25mm Wood Screws | $0.05 | 35 | $1.75 | 60 | $3.00 |
| Dowel Pins | $2.00 | 6 | $12.00 | 20 | $40.00 |
| TOTALS | 777 | $193.70 | 966 | $264.20 |
M2.5 Screws
These screws are used to mount the electronics boards into the electronics box with the M2.5 M/F standoffs as an intermediary component.
| Length | 4mm |
| Threads | M2.5 |
| Drive Size | 2mm |
| Price | $0.15 |
| Quantity | 8 |
M2.5 x 4mm Screws
M3 Screws
M3 screws are used throughout FarmBot for mounting motors and other small electronic components on the tools.
| Trade Name | M3 Low-Profile Socket Head Cap Screw |
| Material | 18-8 Stainless Steel |
| Lengths | 6mm, 12mm |
| Threads | M3 x 0.5mm |
| Head Height | 2mm |
| Head Diameter | 5.5mm |
| Socket Size | 2mm Hex |
| Tensile Strength | 70,000 psi |
| Price | 6mm - $0.10 12mm - $0.15 |
| Quantity | 6mm - 10 12mm - 40 |
M3 x 6mm Screws
M3 x 12mm Screws
M5 Screws
M5 button-head screws of various lengths are used throughout FarmBot to attach plates and 3D printed parts to extrusions, V-wheels to plates, and other components together. They are usually used in combination with M5 washers, and terminated with an M5 tee nut or locknut. The button head provides a wide bearing surface, a low-profile head, and a finished appearance. Length is measured from under the head.
| Trade Name | Button-Head Socket Cap Screw |
| Material | 18-8 Stainless Steel |
| Tensile Strength | 70,000psi |
| Lengths | 10, 16, and 30mm |
| Threads | M5, 0.8 pitch |
| Head Type | 3mm Hex |
| Head Height | 2.75mm |
| Head Diameter | 9.5mm |
| Price | 10mm - $0.15 16mm - $0.20 30mm - $0.30 |
| Quantity | 10mm - Genesis: 175, Genesis XL: 250 16mm - 40 30mm - 45 |
M5 x 10mm Screws
M5 x 16mm Screws
M5 x 30mm Screws
Locknuts
Locknuts are used throughout FarmBot to secure M3 and M5 screws in place. The nylon insert allows the locknut to resist loosening when subjected to vibration.
| Trade Name | Nylon-Insert Locknut |
| Threads | M3 x 0.5mm, M5 x 0.8mm |
| Height | M3 - 4mm M5 - 5mm |
| Width | M3 - 5.5mm M5 - 8mm |
| Material | 18-8 Stainless Steel |
| Price | M3 - $0.10 M5 - $0.15 |
| Quantity | M3 - 20 M5 - 70 |
M3 Locknuts
M5 Locknuts
Washers
Washers are used throughout FarmBot in combination with screws and locknuts. They allow nuts to be tightened on plastic components and plates while preventing damage and distributing load.
| Material | 18-8 Stainless Steel |
| Outer Diameter | 10mm |
| Inner Diameter | 5.3mm |
| Thickness | 0.9 to 1.1mm |
| Price | $0.05 |
| Quantity | 100 |
M5 Washers
Spacers
These spacers are used to offset V-wheels from plates so that they may engage extrusions.
| Material | Aluminum |
| Outer Diameter | 10mm |
| Inner Diameter | 5.10mm |
| Length | 6mm |
| Price | $0.20 |
| Quantity | 30 (12 extra) |
M5 x 6mm Spacers
Eccentric Spacers
When rotated, eccentric spacers accurately position V-wheels on a plate such that they can firmly engage V-slot aluminum extrusions. They are only used on wheels on one side of an extrusion. Adjustments are made by using a 8mm wrench on the spacer itself.
| Material | Stainless Steel |
| Height | 6mm (not including rim) |
| Bore | 5mm |
| Rim | Fits into a 7.12mm hole |
| Hex Size | 8mm |
| Divot | Indicates shortest distance from rim to bore |
| Price | $2.00 |
| Quantity | 15 |
M5 x 6mm Eccentric Spacers
Standoffs
These M/F standoffs are used to offset the electronics boards from the electronics box mounting bosses. As of the v1.4 release, they come pre-assembled in the electronics box.
| Material | Stainless steel |
| Lengths | 6mm, 16mm |
| Male Threads | M2.5 |
| Female Threads | M2.5, 4mm length |
| Price | $0.50 |
| Quantity | 4 - 6mm length 4 - 16mm length |
Tee Nuts
Combined with screws, these drop-in style tee nuts allow components such as plates and 3D printed parts to be attached quickly and securely anywhere on a V-slot aluminum extrusion.
| Trade Name | Drop-in Tee Nut |
| Material | Stainless Steel |
| Threads | M5 x 0.8mm pitch |
| Fits Slot Size | 6 |
| Price | $0.40 |
| Quantity | Genesis: 175 Genesis XL: 250 |
M5 Tee Nuts
Wood Screws
These are used to attach the track end plates and track joining plates to supporting infrastructure such as a raised.
| Material | Steel |
| Finish | Black Oxide |
| Length | 25mm |
| Head Diameter | 12mm |
| Price | $0.05 |
| Quantity | 35 |
Dowel Pins
These pins are used to help align track extrusions and the gantry main beams.
| Material | Stainless Steel |
| Length | 40mm |
| Diameter 1 | 4.2mm |
| Diameter 2 | 4.25mm |
| Price | $2.00 |
| Quantity | Genesis: 6 Genesis XL: 20 |
Looking for an alternative supplier of fasteners and hardware?
We recommend purchasing parts from McMaster Carr (US) or AccuGroup (Europe). Both suppliers have a wide variety of parts, fast shipping, and great customer service. They also sell components in different sizes than we do to support your custom modifications.