Engineering guide
RFQ Drawing Checklist for Custom Gears
A controlled drawing and application package reduces hidden assumptions and inconsistent quotes.

AuthorEver-power Custom Worm Gear Engineering Team
StatusHuman technical review required
PurposeRFQ preparation
Not a substituteApproved drawings and tests
Step 1
Drawing essentials
- Part number, revision, units and projection
- Material, treatment, hardness and coating
- Tooth geometry and quality standard
- Bore, shaft, spline, key and mounting
- Datums, tolerances and finish
- Marking, cleaning and protection
Step 2
Application attachment
- Machine and installation
- Mates and center distance
- Speed, torque, duty and shock
- Direction, lubricant and environment
- Failure history and life target
Step 3
Commercial attachment
- Prototype and annual volume
- Destination and date
- Tooling and sample requirements
- Reports, packaging and Incoterms
Step 4
Revision control
- Use one controlled RFQ package
- Record every clarification and approval
Request for quotation
Apply this checklist to your drawing
Share the drawing, quantity, material, heat treatment, accuracy requirement and application for RFQ review.