
Hammond FPRK2234BK 22-34 in Adjustable Depth 4-Post Conversion Kit
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Create Free Business AccountKey Features
- Converts two compatible 2-post racks into a rigid 4-post frame for deeper, heavier equipment
- Adjustable depth of 22 in to 34 in plus rack depth; 28.00-40.00 in on RB-2P/RB-2PA/DNRRHDW racks
- 34.00-46.00 in depth range when installed on a DRZ4 rack
- 16-gauge mild steel with black powder coat (GREENGUARD Gold Certified, TSCA and RoHS compliant)
- Fits any EIA-310-E compliant rack with rails on both sides, Hammond or most third-party
- Works with 10-32 threaded, 12-24 threaded and square-hole rack rails
- Sold as a set of 4 with mounting brackets and all required hardware included
- Maintains UL, Telcordia GR-63-CORE and seismic compliance on compatible Hammond racks; TAA compliant
The FPRK2234BK is a Universal Four Post Rack Kit that converts two compatible 2-post racks into a rigid, adjustable-depth 4-post rack frame. It is aimed at IT and network integrators, telecom technicians, industrial controls builders and facilities teams who need to support deeper or heavier rack-mounted equipment without replacing racks already in service.
Construction is 16-gauge steel in mild steel with a black powder coat finish that is GREENGUARD Gold Certified, TSCA and RoHS compliant. The kit is sold as a set of 4 and includes four support angles, two sets of mounting brackets and all required installation hardware — for this part number, an inner bracket, an outer bracket, two 1/4-20 x 1/2 carriage bolts, two 1/4-20 KEP nuts and four 10-32 x 3/4 Quadrex truss head screws.
Each angle of the FPRK2234BK is 3.50 in (89 mm) high and adjusts over a 22 in to 34 in range plus the rack depth. Installed on RB-2P, RB-2PA or DNRRHDW racks, the resulting depth range is 28.00 in (711 mm) minimum to 40.00 in (1016 mm) maximum; installed on a DRZ4, the range is 34.00 in (864 mm) to 46.00 in (1168 mm). Shipping weight is 20 lbs (9.07 kg).
The universal design fits any EIA-310-E compliant rack with mounting rails on both sides, covering Hammond and most third-party racks, and works with 10-32 threaded, 12-24 threaded and square-hole rails. Simple bolt-on installation keeps project costs and deployment time down, and the kit maintains UL, Telcordia GR-63-CORE and seismic compliance when installed with compatible Hammond racks. It is TAA compliant and manufactured in North America in an ISO 9001 certified facility.
Ideal For
- Converting existing 2-post racks into 4-post rack systems
- Data centers, server rooms and network closets
- Telecommunications facilities and industrial automation systems
- Supporting deeper servers, UPS systems and network equipment
- Retrofit and rack expansion projects in mixed rack environments
Overview
| Series | FPRK Series Universal Four Post Rack Kit |
| Sold As | Set of 4 |
| Description | 2-Post to 4-Post Adapter |
| Finish Code | Painted Black |
| Part Number | FPRK2234BK |
Dimensions
| Overall Height | 3.50 in (89 mm) |
| Adjustment Range | 22 in - 34 in plus rack depth |
| Depth Installed On DRZ4 (Max) | 46.00 in (1168 mm) |
| Depth Installed On DRZ4 (Min) | 34.00 in (864 mm) |
| Depth On RB-2P / RB-2PA / DNRRHDW (Max) | 40.00 in (1016 mm) |
| Depth On RB-2P / RB-2PA / DNRRHDW (Min) | 28.00 in (711 mm) |
Identifiers
| UPC | 623980004976 |
| ECCN | EAR99 |
| UNSPSC | 43201618 |
| GTIN-14 | 00623980004976 |
| Tariff Code | 7326.90.8688 |
| Country Of Origin | CA |
| UPC W/o Check Digit | 62398000497 |
Kit Contents
| Nut 1/4-20 KEP | 2 |
| Included Components (Series) | Four support angles, two sets of mounting brackets and all required installation hardware |
| 2 To 4 Post 22-34 Inner Bracket | 1 |
| 2 To 4 Post 22-34 Outer Bracket | 1 |
| Screw 1/4-20 X 1/2 Carriage Bolt | 2 |
| 10-32 X 3/4 Quadrex Truss Head Screw | 4 |
Rack Mounting
| Installation | Bolt-on; hardware included |
| Rail Types Supported | 10-32 threaded, 12-24 threaded and square-hole rack rails |
| Rack Standard Compatibility | Any EIA-310-E compliant rack with mounting rails on both sides |
Packaging & Shipping
| Shipping Weight | 20 lbs (9.07 kg) |
Construction & Finish
| Gauge | 16-gauge steel |
| Finish | Black powder coat (GREENGUARD Gold Certified, TSCA and RoHS compliant) |
| Material | Mild Steel |
Compliance & Certifications
| Standards | TAA-compliant |
| Manufacturing | Manufactured in North America in an ISO 9001 certified facility |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
| USMCA Compliant | Yes |
| Certification Retention | Maintains UL, Telcordia GR-63-CORE and seismic compliance when installed with compatible Hammond racks |
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Frequently Asked Questions
What depth range does the FPRK2234BK cover?▾
The kit adjusts from 22 in to 34 in plus the rack depth. Installed on RB-2P, RB-2PA or DNRRHDW racks the overall depth is 28.00 in (711 mm) to 40.00 in (1016 mm); installed on a DRZ4 it is 34.00 in (864 mm) to 46.00 in (1168 mm).
Will it fit racks from other manufacturers?▾
Yes. The universal design fits any EIA-310-E compliant rack with mounting rails on both sides, so it works with Hammond and most third-party racks.
Is mounting hardware included?▾
Yes. Hardware is included: two 1/4-20 x 1/2 carriage bolts, two 1/4-20 KEP nuts and four 10-32 x 3/4 Quadrex truss head screws, along with the inner and outer brackets. The kit is sold as a set of 4.
Does it work with square-hole rails?▾
Yes. The kit is compatible with 10-32 threaded, 12-24 threaded and square-hole rack rails, which simplifies use in mixed rack environments.
Do I lose my rack certifications by adding this kit?▾
No. The kit maintains UL, Telcordia GR-63-CORE and seismic compliance when installed with compatible Hammond racks.
What is the difference between FPRK2234BK and FPRK2642BK?▾
Both are 3.50 in (89 mm) high, but this part covers the 22 to 34 inch adjustment range, while FPRK2642BK covers the 26 to 42 inch range.

