Choosing a window transmission rod for repeat purchasing involves the complete window system: the profile groove, handle, locking points, keepers and operating movement. Buyers searching for a window espag rod, espagnolette locking rod or multipoint lock drive rod may be describing related hardware, but the names do not establish that two parts are interchangeable.
Use this guide to prepare an OEM enquiry and sample approval plan. The Gleam window transmission rod category groups the available length and locking-point configurations in one place.
Start with the profile and opening arrangement
Record the window profile material and system, sash arrangement and hardware groove. Identify whether the application is an outward-opening casement, inward-opening sash or sliding system. Send a section drawing where possible. The rod must fit the groove and its fixing arrangement, while the pins and keepers must engage in the intended direction.
An “aluminium window transmission rod” can describe the window application. It does not by itself prove the rod is made from aluminium. Similarly, hardware described for uPVC windows still needs a profile-interface check. Confirm these two questions separately: what is the frame system, and what is the hardware material?
Match length with the locking-point layout
Length is a useful way to narrow the range. For the illustrated Gleam series, 300, 400, 600, 800 and 1000 mm options have two locking points; 1200 mm has three; 1400, 1600, 1800 and 2000 mm options have four. These are this series’ supply configurations, rather than a universal schedule for all window brands.
- 300–1000 mm two-point espag rods: compare five nominal lengths and the two-point layout with your profile drawing.
- 1200 mm three-point espagnolette rods: check the additional locking position and all three keeper locations.
- 1400–2000 mm four-point transmission rods: confirm four-point spacing, rail support and operating clearances in the complete assembly.
More locking points alone do not establish a security rating, acoustic performance or weather resistance. Those outcomes depend on the complete window assembly and the evidence required for the project.
Specify the handle and drive interface
Provide the spindle dimensions, handle screw spacing, gearbox position, rail cross-section and mounting-hole layout. Record the travel of the mechanism and the intended handle movement. The espag rod measuring guide explains how to collect these dimensions consistently.
The supplied product chart marks “Center Distance 15mm.” Ask for a drawing that defines both endpoints before calling this backset. Also confirm pin height, keeper geometry and screw requirements individually. Figures such as 2.0 mm thickness, a 6.5 mm pin or a 25 mm connector should be treated as a requested configuration unless they are confirmed on the chosen part’s drawing.
Agree material and finish by component
Use the following descriptions as quotation requests. Specify the material and finish by component and confirm the selected configuration on a drawing or sample before order approval.
| Material or finish request | Details required for confirmation |
|---|---|
| Galvanized steel transmission rod | Steel grade, coated components, coating process and project corrosion-test requirements. |
| Anodized aluminium / aluminum alloy rod | Aluminium component grade, anodizing finish and colour sample, component dimensions and mating interfaces. |
| Stainless steel espagnolette rod | Stainless grade, which components must be stainless, surface finish, operating environment and drawing. |
The supplied series chart describes an iron shell and iron gear wheel. For purchasing, have the material and finish recorded for each relevant component: rail or faceplate, gearbox housing, internal drive parts, pins and keepers. Confirm a proposed aluminium-alloy or stainless-steel version as a separate configuration before placing it on the order.
Anodizing is a finish associated with aluminium components; it should not be copied into the specification for a steel part. Likewise, a bright plated appearance does not establish a stainless-steel grade or a corrosion-test result. State the installation environment and any required test method or grade in the enquiry so the selected material and finish can be reviewed.
Define exactly what the quoted unit includes
Clarify whether one piece means the transmission-rod assembly alone or a kit with keepers, screws and handle. Mark accessory quantities on the drawing or packing list. For this range, the stated MOQ is 1,000 pieces and the reference unit price is USD 0.30 per piece; confirm the selected length, construction, finish, accessories, packing and trade terms in the final quotation.
For mixed lengths, request a written quantity breakdown and confirm how the MOQ applies. Free samples are available, with sample scope and shipping arrangements confirmed during enquiry. Agree the packing arrangement for long rods and the carton identification needed to distinguish lengths on arrival.
Screw Installation and Smooth, Quiet Operation
For screw installation, provide the fixing-hole layout, screw specification, profile reinforcement and access to the drive housing. Check the complete handle, rod and keeper assembly for smooth opening and closing. For a quiet or silent-operation requirement, agree the sample acceptance conditions and operating test before bulk approval.
Use a sample approval record for repeat orders
Test the agreed sample with the intended profile, handle and keepers. Record engagement, travel, fixing positions and opening and closing through the intended operating range. Attach the approved drawing revision, sample identification, finish reference, accessory list and packing specification to the order.
Keep performance requirements separate from appearance approval: a sample that fits does not establish a particular cycle-life or corrosion rating. Send the completed checklist through the OEM quotation enquiry so the bulk order follows the configuration you approved.
Frequently asked questions
Can one transmission rod fit every uPVC and aluminium window?
No. Compatibility depends on the profile groove, handle interface, mounting layout, locking points, keepers and operating travel. Confirm the system drawing and an assembled sample.
Does an aluminium-window rod have to be made from aluminium?
No. The application name identifies the frame type. Specify the hardware material and finish separately for the selected configuration.
What should an OEM quotation request include?
Include profile and opening type, dimensioned rod and handle drawings, locking-point and keeper details, material and finish requirements, quantity by length, accessory scope, packing and destination.
Technical references
Titon Maco Inline identifies profile-related keepers and separate backset and cam-height options. VEKA Espagnolettes and Strikers lists separate casement and sliding mechanisms, illustrating why the opening system must be specified. These are selection references, not claims of interchangeability or of identical Gleam specifications.
Related Window Espag Rods
Choose the length and locking-point layout, then check the complete profile, handle and keeper fit on the product page.
300–1000mm Two-Point Window Espag Rods
Choose 300, 400, 600, 800 or 1000 mm lengths with the two-point layout in this series.
1200mm Three-Point Espagnolette Rod
Compare the 1200 mm three-point configuration. The image is the series specification chart.
1400–2000mm Four-Point Transmission Rods
Choose 1400, 1600, 1800 or 2000 mm lengths with four locking points. Image: series specification chart.
Request Your Window Espag Rod Quotation
Send your required lengths, quantity by size, window profile or drawing, handle and keeper details, packing requirements and destination for an OEM quotation.