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Inventory

ABC Inventory Analysis for Woodworking Materials

ABC analysis groups inventory by a chosen measure, often annual consumption value, to focus attention.

Illustrative photograph of lumber and hardware storage in a woodworking warehouse
ABC Inventory Analysis for Woodworking Materials

ABC analysis groups inventory by a chosen measure, often annual consumption value, to focus attention. In a cabinet shop, value alone can miss cheap parts that stop assembly. Use the classification as a starting point and add operational criticality.

Build a useful classification

  • Calculate consumption value using consistent quantity and cost data.
  • Separate dormant stock from frequently consumed items.
  • Flag low-cost components whose absence blocks an entire assembly.
  • Assign counting and review effort based on both value and disruption risk.

An illustrative exception

An inexpensive mounting plate may have low annual value but no approved substitute. A costly sheet material might have several interchangeable sources. The plate can deserve closer replenishment attention despite its lower value classification.

Keep it current

Review classifications after major changes in product mix or supplier reliability. Do not let last year's spending pattern determine every inventory decision indefinitely.

Related reading

Definitions and further reference

How Millbase can help your shop

Connect material records to the cabinet job

When a component shortage or material change affects a job, start with the recorded stock and the work it supports. Millbase inventory keeps quantities, material costs, receipts, stock lots, and usage history together. Use project tracking to review the associated labour and material costs, then reconcile the physical material before making a new commitment.

Ask the Millbase AI agent a question grounded in your workspace records. For example: “What inventory records do we have for this material, and what usage is recorded against this project?” You can select a project or worker, ask follow-up questions, and request supported reports and CSV exports.

Use the answer to locate the relevant records and investigate the exception. A physical count, approved specification, or supplier confirmation still establishes facts that have not been recorded.

THE PRACTICAL DETAILS

Frequently asked questions

Must A, B, and C use fixed percentages?

No. Choose thresholds that create workable review groups for your shop and document the basis. Avoid treating a familiar ratio as a universal rule.

Does ABC analysis replace cycle counting?

No. It can help prioritize counts, but the counting process still needs controlled movement, investigation, and corrections.

Coby Birenbaum

Coby Birenbaum

Writing about woodworking, millwork, and the operations behind a better-run shop.

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