{"product_id":"metalwork-2212001-b12-6-4-tube-insert-pneumatic-fitting","title":"Metalwork - 2212001 B12 6\/4 Tube Insert Pneumatic Fitting","description":"\u003cp\u003eThe Metalwork 2212001 (B12 6\/4) is a high-quality brass internal bush designed to provide essential reinforcement for pneumatic tubing. Specifically engineered for use with 6mm OD and 4mm ID nylon tubes, this cylindrical insert ensures a secure, leak-proof connection within compression fittings by preventing tube collapse. Its robust OT 58 brass construction offers exceptional durability and a wide operating temperature range, making it ideal for demanding industrial environments.\u003c\/p\u003e\n\n\u003cp\u003eKey Specifications:  - Model: 2212001 (Ref: B12 6\/4)\n\u003cbr\u003e  - Material: OT 58 Brass\n\u003cbr\u003e  - Tube Compatibility: 6mm OD \/ 4mm ID\n\u003cbr\u003e  - Max Pressure: 60 bar\n\u003cbr\u003e  - Temperature Range: -45°C to +80°C\u003c\/p\u003e","brand":"Metalwork","offers":[{"title":"Default Title","offer_id":56811790270795,"sku":"2212001","price":0.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1524\/0267\/files\/FilterRegLub-2026-03-18T121923.709.png?v=1773836383","url":"https:\/\/pneumaticsystems.co.uk\/products\/metalwork-2212001-b12-6-4-tube-insert-pneumatic-fitting","provider":"Pneumatic Systems","version":"1.0","type":"link"}