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Small metal rack-mount studs in assorted colours, sample pack of four each size

FireFold

FireFold Rackstuds Series II RSL4C-S2 sample pack 4 each size colour

SKU CH-AJS4-9Y6BV

A sample pack of four each size and colour of front-insert rack-mount studs that replace cage nuts in 19" square-punched rails and hold gear while the lock nut is spun on

  • Front insertion installs gear in under 30 seconds
  • Sample pack includes four of each size and colour
  • Over 1.5 million units sold worldwide in data centres
  • Withstands shear forces exceeding 400 pounds for heavy loads
  • Fits EIA-310 square-punched rails from 2.7 mm to 3.2 mm thick

Front-mount rack studs for 19" rails

FireFold Rackstuds Series II replace cage nuts in 19-inch racks with square-punched vertical rails. Installers insert each stud from the front, add the yellow lock washer, hang the equipment and spin on the nut in under 30 seconds. The sample pack includes four pieces of every size and colour so technicians can match the rail thickness on site.

Front access and colour-coded sizing

Front insertion removes the need to reach behind the rack, allowing single-person mounting of heavy gear. Longer threads on the Series II design make it easier to hang equipment before tightening. Each stud size is colour-coded so the correct fit for 2.7 mm to 3.2 mm rail thickness is immediately visible.

EIA-310 square-hole compatibility only

Studs require the standard 90.5 mm (0.374 inch) square hole pattern defined by EIA-310 and do not work with round or threaded holes. They are rated for shear forces above 400 pounds but provide no electrical grounding path. Rails thicker than 3.2 mm or thinner than 2.7 mm fall outside the supplied size range.

Highlights

  • Front insertion installs gear in under 30 seconds
  • Sample pack includes four of each size and colour
  • Over 1.5 million units sold worldwide in data centres
  • Withstands shear forces exceeding 400 pounds for heavy loads
  • Fits EIA-310 square-punched rails from 2.7 mm to 3.2 mm thick

Specifications

BrandFireFold
ModelRSL4C-S2

Questions about this item

Do the RSL4C-S2 studs need any periodic tightening or replacement after they are installed?

The studs are a one-time mechanical fastener with no moving parts or consumable elements; once the yellow lock washer and nut are spun on, the joint remains secure without a scheduled maintenance interval.

What is the first limit you hit when leaving heavy gear hanging on these studs for months?

Each stud is rated to withstand shearing forces of over 400 pounds, so the structural limit of the fastener itself is the boundary that appears before any deformation of the rail or thread.

How much heat or noise do the Rackstuds generate when equipment stays mounted all day?

They are passive metal hardware with no electrical components, so they produce zero heat and zero audible noise regardless of how long the rack remains loaded.

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