factory-manufacturing-operationsmanufacturing-inventory-management

Raw Materials Running Out Mid-Production: Fixing Your Factory's Inventory Blind Spots

1 July 2025·Updated Sept 2025·10 min read·GuideIntermediate
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In this article
  1. The £4,200 Afternoon When the Steel Sheet Ran Out
  2. Why Manual Inventory Systems Always Fail Factories
  3. What Real-Time Raw Materials Tracking Actually Looks Like
  4. How AskBiz Inventory Management Works for Factory Raw Materials
  5. Setting Up Reorder Points That Actually Prevent Stockouts
  6. Before and After: A Singapore Food Ingredients Factory
  7. Integrating Inventory Tracking with Your Production Schedule
  8. Start Tracking This Week
Key Takeaways

Stockouts of raw materials mid-production are one of the costliest failures in SMB manufacturing — idle machines, idle workers, and angry customers. Real-time inventory tracking tied to your production schedule eliminates the blind spots that cause them.

  • The £4,200 Afternoon When the Steel Sheet Ran Out
  • Why Manual Inventory Systems Always Fail Factories
  • What Real-Time Raw Materials Tracking Actually Looks Like
  • How AskBiz Inventory Management Works for Factory Raw Materials
  • Setting Up Reorder Points That Actually Prevent Stockouts

The £4,200 Afternoon When the Steel Sheet Ran Out#

A Birmingham sheet-metal fabricator ran a 14-person day shift. At 1:30 pm on a Tuesday, the press line stopped — they had punched through the last sheet of 2mm cold-rolled steel, and nobody had flagged that stock was critically low. The purchasing manager had assumed the stores team was watching it. The stores team had assumed the purchasing manager had already ordered. The reorder had never been placed. By the time an emergency order arrived from a local stockholder the next morning, the fabricator had paid £4,200 in idle labour time, missed a same-day delivery promise to their largest customer, and expedited freight charges of £380. The root cause was not laziness or incompetence — it was the absence of a real-time inventory visibility system. Everyone was working from a spreadsheet updated once a week. In a fast-moving production environment, weekly updates are not updates at all.

Why Manual Inventory Systems Always Fail Factories#

Manual inventory tracking — spreadsheets, whiteboards, paper stock cards — fails in factories for structural reasons that have nothing to do with staff effort. First, consumption is continuous but recording is periodic. Materials leave the stores floor all day, but the spreadsheet only gets updated at the end of a shift or week. The gap between reality and the record widens every hour. Second, multiple people pull from the same stock with no coordination. Two production supervisors can both see "400 kg resin in stock" and each issue 300 kg, only discovering the shortfall when a third shift tries to issue material and finds 0 kg remaining. Third, damage, spillage, and off-spec rejection are rarely recorded promptly, so actual usable stock is lower than recorded stock. Fourth, there is no automatic alert when stock drops below a safe threshold. Someone has to notice — and in a busy factory, nobody is watching a spreadsheet in real time. The result is predictable: stockouts happen, production stops, costs spike.

What Real-Time Raw Materials Tracking Actually Looks Like#

A real-time inventory system for a factory does four things manual systems cannot. First, it records every issue transaction at the moment it happens — a storekeeper scans a barcode or enters a quantity, and the system balance updates instantly. Second, it holds reorder points for every raw material. When balance falls below the threshold, an automatic alert fires to the purchasing manager, not to whoever happens to notice. Third, it reconciles physical stock counts against the digital record, making variance visible rather than hidden in a stale spreadsheet. Fourth, it connects consumption data to production orders — so the system can project how much of each material is needed to complete current orders and flag shortages before they happen rather than after. This is the difference between reactive firefighting and proactive stock management.

How AskBiz Inventory Management Works for Factory Raw Materials#

AskBiz is designed as a POS and inventory platform for SMBs, which makes it well-suited for small and mid-size manufacturers who need warehouse-style stock control without enterprise-grade complexity or cost. You set up each raw material as a product with a unit of measure (kg, metres, litres, sheets), a reorder point, and a preferred supplier. When stock is issued to the production floor, a transaction is recorded against the relevant production batch. AskBiz gives you a live dashboard showing current stock levels across all materials, items approaching reorder, and a transaction history so you can see exactly who issued what and when. For factories using Xero for accounting, the stock movements sync automatically — so your material costs post to the correct expense category without manual journal entries. The result is a single source of truth that purchasing, production, and finance all see simultaneously.

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Setting Up Reorder Points That Actually Prevent Stockouts#

A reorder point is only as good as the calculation behind it. Too low, and you still get stockouts. Too high, and you tie up working capital in excess stock. The correct reorder point for a raw material is: average daily consumption × supplier lead time in days + safety stock buffer. For a factory consuming 50 kg of a resin per day with a 5-day supplier lead time, the reorder trigger should be 250 kg plus a safety buffer of perhaps 100 kg — so 350 kg total. When stock falls to 350 kg, a purchase order should fire automatically or at minimum an alert should notify purchasing. Most SMB factories set reorder points too low because they base them on ideal lead times rather than realistic ones. Build in your worst-case lead time — if your supplier occasionally takes 8 days instead of 5, use 8 days in the calculation. The cost of holding an extra 150 kg of resin is far lower than the cost of a four-hour production stoppage.

Before and After: A Singapore Food Ingredients Factory#

A Singapore food ingredients manufacturer supplying FMCG brands was running stockouts of key flavour compounds three to four times per quarter. Each stockout cost approximately SGD 8,000–12,000 in idle labour and expedited airfreight for replacement materials. After implementing AskBiz inventory tracking with reorder points set at 14-day coverage (reflecting their supplier's realistic lead time), stockouts dropped to zero in the following six months. The purchasing manager receives an automated alert when any compound falls below threshold — usually triggering a replenishment order with 10–12 days of stock remaining. The safety buffer means even delayed shipments do not cause production stoppages. The annual saving in avoided stockout costs alone was approximately SGD 36,000–48,000. Working capital tied up in inventory actually fell by 8% because the factory stopped over-ordering out of fear — they could now see exactly what they had.

Integrating Inventory Tracking with Your Production Schedule#

The most powerful version of raw materials tracking is one where the inventory system knows what is coming, not just what has already happened. When a production order is entered into the system — "batch of 500 units, starting Monday" — the system should automatically check whether all required materials are in stock in sufficient quantity and flag any shortages before Monday arrives. This requires connecting your production planning (even if it's a simple spreadsheet) to your inventory system. AskBiz allows you to attach material requirements to production batches, so when you create a batch, the system checks current stock against the bill of materials and alerts you to any gaps. For SMB factories that currently handle production planning in spreadsheets and inventory in a separate spreadsheet, this integration alone eliminates a class of stockout that happens purely because nobody cross-referenced the two documents before starting production.

Start Tracking This Week#

You do not need to digitise your entire factory operation in one go. Start with your top 10 raw materials by consumption value — these are the ones where a stockout is most costly. Set up those 10 materials in AskBiz, record current stock levels, set reorder points using the formula above, and commit to logging every issue transaction for two weeks. At the end of two weeks, you will have accurate consumption data that lets you refine your reorder points. Then add the next 10 materials. Within 60 days, your most critical materials will be fully tracked and the stockout risk will have dropped dramatically. The cost of a stockout — even one — pays for the system many times over. AskBiz tracks your production costs in real time. Try free at askbiz.co

📊 By The Numbers
£4,200£380.kes 88%

People also ask

How do I track raw materials inventory in a small factory?

Manual inventory tracking — spreadsheets, whiteboards, paper stock cards — fails in factories for structural reasons that have nothing to do with staff effort. First, consumption is continuous but recording is periodic.

What is a reorder point and how do I calculate it for manufacturing?

A real-time inventory system for a factory does four things manual systems cannot. First, it records every issue transaction at the moment it happens — a storekeeper scans a barcode or enters a quantity, and the system balance updates instantly.

How does AskBiz help with factory inventory management?

AskBiz is designed as a POS and inventory platform for SMBs, which makes it well-suited for small and mid-size manufacturers who need warehouse-style stock control without enterprise-grade complexity or cost.

What causes raw material stockouts in SMB manufacturing?

A reorder point is only as good as the calculation behind it. Too low, and you still get stockouts. Too high, and you tie up working capital in excess stock.

How do I connect inventory tracking to production scheduling?

A Singapore food ingredients manufacturer supplying FMCG brands was running stockouts of key flavour compounds three to four times per quarter. Each stockout cost approximately SGD 8,000–12,000 in idle labour and expedited airfreight for replacement materials.

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