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Steel Rack Gears, 1.5 Mod, GR-RK1 Spares


These modular rack gears are the same as those included with the GR-RK1 linear actuator

Two sizes are available, both with a 1.5 Module gear pitch; a smaller 46 tooth option and a larger 72 tooth option. Each is precision EDM-machined from hardened steel and then black-oxide coated. 

A rack-clamping set is also available (forth picture along) which includes two laser-cut metal plates and four M5 button-head screws, for attaching one rack gear section to another.

Please scroll down for more details.


£2.00 £2.40 inc VAT
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Group SKU: RACK4672

Each rack gear section has four 5mm holes (which are used for connecting one rack to the next), two 6mm holes (which are useful for mounting) and either 6 or 8 M4 tapped holes (which are used for mounting limit switch trigger plates on the GR-RK1 actuator). 

The 46T rack weighs 160g, the 72T rack is 250g and a rack-clamping set weighs 40g.

Any standard 20 degree pressure angle 1.5 MOD gear should run along the top of the racks.


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Internal Slot Aluminium Mounting Bracket, 6mm Pin

Internal Slot Aluminium Mounting Bracket, 6mm Pin

from £5.50 £6.60 inc VAT

A small bracket, as included with the GR-RK1 actuator, suitable for actuators with a clevis-type mounting point