This tender invites qualified firms in Kamra to undertake servicing and spindle overhauling of the CNC 3-Axis Jig Boring Machine at Pakistan Aeronautical Complex (PAC). The scope includes detailed maintenance and repair of the spindle assembly to ensure precision machining capabilities are restored and maintained for aerospace component manufacturing. The work involves handling complex mechanical and electrical components of the CNC machine, requiring expertise in precision engineering and familiarity with CNC systems. The site at PAC Kamra demands adherence to strict quality and safety standards given the critical nature of aerospace manufacturing. Firms must be prepared to manage technical challenges related to spindle alignment, bearing replacement, and calibration to meet operational tolerances. Bidders should hold a valid PEC registration in the relevant category and maintain an active FBR ATL status for the fiscal year 2025-26. It is advisable to ensure all documentation, including Earnest Money in the form of Call Deposit Receipt (CDR), is complete and compliant with PAC procurement rules. Past performance and technical capability will be key evaluation criteria. The submission deadline is set for 17th March 2026 at 10:30 AM. Technical and commercial bids must be submitted in duplicate, sealed separately, and enclosed in a single envelope addressed to the Directorate of Central Procurement, PAC Kamra. Bids will be opened on the same day as per the single stage two envelope procedure. Pro-Tip: Make sure to carefully check the newspaper advertisement for specific stamp duty and bid security requirements, which are often overlooked and can lead to disqualification.