Qty. Component $/unit Subtotal
12 15 x 5 x 5mm Ring Magnets $1.69 $20.28
12 Compression Springs $1.73 $20.76
12 Zip Ties $0.05 $0.60
1 Hex Driver Set (1.5, 2, 2.5, and 3mm) $14.50 $14.50
1 8mm Socket $2.49 $2.49
1 Ratchet Wrench $11.99 $11.99
1 8mm Wrench $4.99 $4.99
1 Wire Stripper $11.97 $11.97
41 TOTALS   $87.58

Ring Magnets

These magnets keep tools attached to the UTM.

Material Neodymium (NdFeB)
Grade N48
Coating Nickle (Ni)
Magnetization Through ring
Pull Force 7.59 lbf
Outer Diameter 15mm
Inner Diameter 5mm
Thickness 5mm
ReocmmendedSupplier Apex Magnets
Price $16.99/pack of 10
Quantity Needed 15

Compression Springs

These springs keep the screws in the UTM in contact with screws in the tools for electrical connections.

Material Stainless Steel
Free Length 11mm
Compressed Length 4.09mm
Outer Diameter 4.4mm
Inner Diameter 3.6mm
Wire Diameter 0.4mm
Spring Rate 0.62 Newtons/mm
Load Capacity 4.36 Newtons
Recommended Supplier Amazon
Price $1.73
Quantity Needed 12

Zip Ties

These zip ties are used to attach wires to the UTM electrical connection screws and for cable management.

Material Nylon
Color Black
Length 3”
Recommended Supplier  
Price  
Quantity Needed  

Hex Drivers

These high quality hex (allen) drivers are used to tighten all M5 and M3 screws on FarmBot as well as all setscrews. They are clearly labelled, color-coded for convenience, and coated with an ultra hard titanium nitride finish.

Hex Sizes 1.5, 2, 2.5, and 3mm
Bit Material Hardened steel with a titanium nitride coating
Handle Material Color coded anodized aluminum
Replaceable Bit? Yes
Brand Neewer
Price $14.50
Recommended Supplier Amazon
Quantity Needed 1 pack

8mm Socket

This socket is used in combination with the ratchet wrench to tighten most of the M5 locknuts.

Size 8mm
Drive 1/4”
Recommended Supplier Sears
Price $2.49
Quantity Needed 1

Ratchet Wrench

This wrench is used incombination with the 8mm socket to tighten most of the M5 locknuts.

Drive 1/4”
Length 5.55”
Brand Craftsman
Swing Arc 4.8 degrees
Recommended Supplier Sears
Price $11.99
Quantity Needed 1

8mm Wrench

The wrench is for the M5 locknuts that are in spaces too constrained for the socket wrench and to adjust eccentric spacers.

Size 8mm
Length 5.6”
Brand Tekton
Recommended Supplier Amazon
Price $4.99
Quantity Needed 1

Wire Stripper

This tool is used to remove the rubber insulation from wires so that they may be attached to peripherals and other terminals. The tool is also used to cut wires to length.

Functions Wire stripping, cutting, and crimping
Gauge Range 10-22 AWG
Brand Irwin
Recommended Supplier Amazon
Price $11.97
Quantity Needed 1