Dear Sir/Madam, My name is Mr Anthony Holly and I produce fine scale model railway mechanisms. I have a need for a new supplier of worms and helical gears ranging from M0.3 to M0.5 produced in still and brass. Below are the specifications for 2 types of worm and 2 types of helical gear that I currently require. I have also supplied sample photos of the gears. Worm Type 1 Qty: 100 Material: Steel Module: 0.3 Pressure Angle: 20 degrees OD: 4.00mm Pitch Diameter: 3.40 mm Length: 5.00 mm Pitch: 0.94 mm Lead Angle: 5 degrees Number of Leads: 1 Bore: 0.95mm (press fit to 1.00 mm stainless steel shaft) Direction: RH helix No hub/shoulder Worm Type 2 Qty: 100 Material: Steel Module: 0.3 Pressure Angle: 20 degrees OD: 4.00 mm Pitch Diameter: 3.40 mm Length: 5.00 mm Pitch: 0.94 mm Lead Angle: 5 degrees Number of Leads: 1 Bore: 1.45mm (press fit to 1.50 mm stainless steel shaft) Direction: RH helix No hub/shoulder Helical Gear Type 1 (to mate with Worm Gears Type 1 & 2 above) Qty: 100 Material: Brass Module: 0.3 Pressure Angle: 20 degrees Lead Angle: 5 degrees Direction: RH helix Teeth: 13 Face Width: 2.00mm OD: 4.50 mm Pitch Diameter: 3.90 mm Bore: 1.95 mm (to press fit 2.00 mm stainless steel shaft) No hub/shoulder Helical Gear Type 2 (Idler for Helical Gear Type 1, above) Qty: 100 Material: Brass Module: 0.3 Pressure Angle: 20 degrees Lead Angle: 5 degrees Direction: LH helix Teeth: 13 Face Width: 2.00mm OD: 4.50 mm Pitch Diameter: 3.90 mm Bore: 1.95 mm (to press fit 2.00 mm stainless steel shaft) No hub/shoulder I am located in Perth, Australia, Kind regards, Anthony Holly Show More