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  • Brass Gear — Module 0.5 — 40 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Worm Gears and 45 Steel Worms — Modules 0.5/0.8
  • Brass Worm Gears and 45 Steel Worms — Modules 0.5/0.8
  • Brass Gear — Module 0.5 — 20 Teeth — 4 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 20 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 25 Teeth — 4 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 25 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 25 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 30 Teeth — 4 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 30 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 30 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 35 Teeth — 4 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 35 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 35 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 40 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 40 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 50 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 50 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 50 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 60 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 60 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 60 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.5 — 60 Teeth — 10 mm Bore with model-specific engineering drawing
  • 45 Steel Type A Worm — Module 0.5 — 5 mm Bore with model-specific engineering drawing
  • 45 Steel Type A Worm — Module 0.5 — 6 mm Bore with model-specific engineering drawing
  • 45 Steel Type B Worm — Module 0.5 — 5 mm Bore with model-specific engineering drawing
  • 45 Steel Type B Worm — Module 0.5 — 6 mm Bore with model-specific engineering drawing
  • 45 Steel Type L Worm Shaft — Module 0.5 with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 20 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 20 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 25 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 25 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 25 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 30 Teeth — 10 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 30 Teeth — 5 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 30 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 30 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 30 Teeth — 12 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 35 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 35 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 35 Teeth — 10 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 35 Teeth — 12 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 40 Teeth — 6 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 40 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 40 Teeth — 10 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 40 Teeth — 12 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 50 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 50 Teeth — 10 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 50 Teeth — 12 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 60 Teeth — 8 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 60 Teeth — 10 mm Bore with model-specific engineering drawing
  • Brass Gear — Module 0.8 — 60 Teeth — 12 mm Bore with model-specific engineering drawing
  • 45 Steel Type A Worm — Module 0.8 — 8 mm Bore with model-specific engineering drawing
  • 45 Steel Type B Worm — Module 0.8 — 6 mm Bore with model-specific engineering drawing
  • 45 Steel Type B Worm — Module 0.8 — 8 mm Bore with model-specific engineering drawing
  • 45 Steel Type L Worm Shaft — Module 0.8 with model-specific engineering drawing
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Brass Worm Gears and 45 Steel Worms — Modules 0.5/0.8

$13.20 USD $9.90 USD 25% OFF
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Brass Worm Gears and 45 Steel Worms — Modules 0.5/0.8
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Required Machining Notes

Please add all machining requirements to the order notes before checkout.

  • Worm gear: state whether the center bore should be machined or left unmachined. If machining is required, provide the exact bore diameter, tolerance, keyway width and depth, hub requirements, and any tapped or locating holes.
  • Worm shaft: provide the required shaft diameter, overall length, end diameters and lengths, thread or keyway details, and state whether an axial hole or cross hole is required. For every required hole, specify the exact diameter, depth, position, tolerance and thread specification (if applicable).
  • Special requirements: include the quantity for each specification and contact BOLTTE with a drawing when critical tolerances, heat treatment, surface treatment, or other custom machining is required.

If no machining is required, write “No machining required” in the order notes. Contact BOLTTE before ordering if any dimension is uncertain.

Brass Worm Gears and 45 Steel Worms — Modules 0.5 and 0.8

Small-module brass worm gears and 45 steel worm or worm-shaft options for compact mechanical transmission projects. Select the exact component and model required by your design.

Quick Model Finder

  • Module 0.5 brass gears: 20, 25, 30, 35, 40, 50 or 60 teeth, with model-specific bore sizes.
  • Module 0.8 brass gears: 20, 25, 30, 35, 40, 50 or 60 teeth, with model-specific bore sizes.
  • 45 steel worms: Type A and Type B options for modules 0.5 and 0.8.
  • 45 steel worm shafts: Type L options for modules 0.5 and 0.8.
  • Use the selected model image to confirm all shown diameters, widths and lengths before ordering.

Selection Notes

Worm gear and worm module must match. Confirm tooth count, bore, shaft support, mounting, direction, ratio, backlash, lubrication and installation tolerances for the final assembly.

Suitable for

  • Compact mechanical transmission systems
  • Industrial automation and machinery
  • Prototype and custom equipment assemblies

Before Use

Confirm the complete model, selected drawing, module, tooth count, bore or shaft dimensions, machining requirements, ratio, load, speed, lubrication and operating environment before installation. No lifting-safety, food-contact, medical or regulatory certification is claimed.

 

 

Model / configuration / SKU

Brass Worm Gears and 45 Steel Worms — Modules 0.5/0.8
Model / configurationSKU
Brass Gear — Module 0.5 — 20 Teeth — 4 mm Bore 6044390565940
Brass Gear — Module 0.5 — 20 Teeth — 5 mm Bore 6044390565941
Brass Gear — Module 0.5 — 25 Teeth — 4 mm Bore 6044390565942
Brass Gear — Module 0.5 — 25 Teeth — 5 mm Bore 6044390565943
Brass Gear — Module 0.5 — 25 Teeth — 6 mm Bore 6044390565944
Brass Gear — Module 0.5 — 30 Teeth — 4 mm Bore 6044390565945
Brass Gear — Module 0.5 — 30 Teeth — 5 mm Bore 6044390565946
Brass Gear — Module 0.5 — 30 Teeth — 6 mm Bore 6044390565947
Brass Gear — Module 0.5 — 35 Teeth — 4 mm Bore 6044390565948
Brass Gear — Module 0.5 — 35 Teeth — 5 mm Bore 6044390565949
Brass Gear — Module 0.5 — 35 Teeth — 6 mm Bore 6044390565950
Brass Gear — Module 0.5 — 40 Teeth — 5 mm Bore 6044390565951
Brass Gear — Module 0.5 — 40 Teeth — 6 mm Bore 6044390565952
Brass Gear — Module 0.5 — 40 Teeth — 8 mm Bore 6044390565953
Brass Gear — Module 0.5 — 50 Teeth — 5 mm Bore 6044390565954
Brass Gear — Module 0.5 — 50 Teeth — 6 mm Bore 6044390565955
Brass Gear — Module 0.5 — 50 Teeth — 8 mm Bore 6044390565956
Brass Gear — Module 0.5 — 60 Teeth — 5 mm Bore 6044390565957
Brass Gear — Module 0.5 — 60 Teeth — 6 mm Bore 6044390565958
Brass Gear — Module 0.5 — 60 Teeth — 8 mm Bore 6044390565959
Brass Gear — Module 0.5 — 60 Teeth — 10 mm Bore 6044390565960
45 Steel Type A Worm — Module 0.5 — 5 mm Bore 6044390565961
45 Steel Type A Worm — Module 0.5 — 6 mm Bore 6044390565962
45 Steel Type B Worm — Module 0.5 — 5 mm Bore 6044390565963
45 Steel Type B Worm — Module 0.5 — 6 mm Bore 6044390565964
45 Steel Type L Worm Shaft — Module 0.5 6044390565965
Brass Gear — Module 0.8 — 20 Teeth — 5 mm Bore 6044390565966
Brass Gear — Module 0.8 — 20 Teeth — 6 mm Bore 6044390565967
Brass Gear — Module 0.8 — 25 Teeth — 5 mm Bore 6044390565968
Brass Gear — Module 0.8 — 25 Teeth — 6 mm Bore 6044390565969
Brass Gear — Module 0.8 — 25 Teeth — 8 mm Bore 6044390565970
Brass Gear — Module 0.8 — 30 Teeth — 10 mm Bore 6044390565971
Brass Gear — Module 0.8 — 30 Teeth — 5 mm Bore 6044390565972
Brass Gear — Module 0.8 — 30 Teeth — 6 mm Bore 6044390565973
Brass Gear — Module 0.8 — 30 Teeth — 8 mm Bore 6044390565974
Brass Gear — Module 0.8 — 30 Teeth — 12 mm Bore 6044390565975
Brass Gear — Module 0.8 — 35 Teeth — 6 mm Bore 6044390565976
Brass Gear — Module 0.8 — 35 Teeth — 8 mm Bore 6044390565977
Brass Gear — Module 0.8 — 35 Teeth — 10 mm Bore 6044390565978
Brass Gear — Module 0.8 — 35 Teeth — 12 mm Bore 6044390565979
Brass Gear — Module 0.8 — 40 Teeth — 6 mm Bore 6044390565980
Brass Gear — Module 0.8 — 40 Teeth — 8 mm Bore 6044390565981
Brass Gear — Module 0.8 — 40 Teeth — 10 mm Bore 6044390565982
Brass Gear — Module 0.8 — 40 Teeth — 12 mm Bore 6044390565983
Brass Gear — Module 0.8 — 50 Teeth — 8 mm Bore 6044390565984
Brass Gear — Module 0.8 — 50 Teeth — 10 mm Bore 6044390565985
Brass Gear — Module 0.8 — 50 Teeth — 12 mm Bore 6044390565986
Brass Gear — Module 0.8 — 60 Teeth — 8 mm Bore 6044390565987
Brass Gear — Module 0.8 — 60 Teeth — 10 mm Bore 6044390565988
Brass Gear — Module 0.8 — 60 Teeth — 12 mm Bore 6044390565989
45 Steel Type A Worm — Module 0.8 — 8 mm Bore 6044390565991
45 Steel Type B Worm — Module 0.8 — 6 mm Bore 6044390565993
45 Steel Type B Worm — Module 0.8 — 8 mm Bore 6044390565994
45 Steel Type L Worm Shaft — Module 0.8 6044390565995

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