{"entity":{"name":"Acme Supplies SRL","registration":"BE0123456789","site":"Brussels warehouse"},"inspection_id":"ACM-QC-2026-1042","date":"2026-04-08","inspector":{"name":"Laura De Smet","role":"Quality Controller"},"item":{"product_code":"SCR-M8-50","description":"Hex cap screw M8×50 mm, zinc-plated, class 8.8, DIN 933","lot_or_batch":"SUP-HF-LOT-2026-0324","quantity_inspected":200,"lot_size":5000,"unit":"pcs","supplier_or_internal":"Heinrich Fasteners GmbH (DE) — PO ACM-PO-2026-0198"},"inspection_type":"incoming","sampling_plan":"ISO 2859-1 — General inspection level II, single sampling, AQL 1,0 for majors / AQL 4,0 for minors. Lot size 5.000 → code letter L → sample size n=200, Ac/Re = 5/6 (majors), 10/11 (minors).","criteria":[{"criterion":"Thread dimensions (pitch, major diameter)","specification":"ISO 965-1 tolerance class 6g","measured":"All 20 pieces measured within tolerance (thread ring gauge GO / NOT-GO).","pass_fail":"pass"},{"criterion":"Head dimensions (wrench size, head height)","specification":"DIN 933 — wrench size 13,00 ±0,20 mm; head height 5,50 ±0,30 mm","measured":"Wrench size 12,98–13,05 mm; head height 5,42–5,58 mm.","pass_fail":"pass"},{"criterion":"Length","specification":"50,0 ±0,5 mm","measured":"49,8–50,3 mm over 200 pieces.","pass_fail":"pass"},{"criterion":"Zinc coating thickness","specification":"≥ 5 µm per ISO 4042","measured":"XRF spot measurement on 10 pieces: 5,8–7,2 µm.","pass_fail":"pass"},{"criterion":"Hardness (core)","specification":"Property class 8.8 — 23–34 HRC per ISO 898-1","measured":"10 pieces tested: 25,4–29,8 HRC.","pass_fail":"pass"},{"criterion":"Surface appearance (burrs, cracks, coating defects)","specification":"Free of visible cracks, burrs and coating blisters.","measured":"2 pieces with minor surface burrs near the head recess.","pass_fail":"fail"}],"defects_found":[{"defect_code":"SURF-BURR","description":"Minor burr on head-to-shank transition, removable by file; does not impair assembly.","severity":"minor","quantity":2}],"decision":"accept","disposition_notes":"Lot accepted: 2 minor defects observed vs. AQL 4,0 acceptance number of 10 → well within acceptance. Supplier Heinrich Fasteners notified by e-mail for their own SPC follow-up; no claim raised. Sample retain (10 pcs) kept in QC archive for 12 months.","signatory":{"name":"Laura De Smet","role":"Quality Controller","date":"2026-04-08"}}