Zago M4X12SOCCAPSSBUN SHCS M4x12 Screw w/ Self-Sealing Buna-N O-Ring Pk600
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Zago Manufacturing part M4X12SOCCAPSSBUN is a new M4 x 12 mm stainless steel socket head cap screw (SHCS) with an integrated self-sealing Buna-N (NBR) O-ring seated in a groove beneath the head, engineered to create a leak-proof seal against fluid, gas, and contaminant ingress without the need for a separate sealing washer or sealant compound. The fastener body is 18-8 (304) stainless steel, providing corrosion resistance suitable for washdown, chemical processing, food equipment, and fluid-system enclosures where a sealed fastener interface is required. The hex socket drive accepts a standard 3 mm hex (Allen) key, and the screw is fully threaded to the 12 mm length per DIN 912 geometry. This lot is supplied as 100 factory-sealed bags of 10 pieces each (600 total pieces), each bag individually labeled and REACH/RoHS compliant per the visible DEKRA certification on the packaging.
Product Specifications
| Brand | Zago Manufacturing |
| Part Number (MPN) | M4X12SOCCAPSSBUN |
| Thread Size | M4 |
| Length | 12 mm |
| Head Type | Socket Head Cap Screw (SHCS) |
| Drive Type | Hex Socket (Allen), 3 mm |
| Material | 18-8 Stainless Steel |
| Sealing Feature | Self-Sealing Integrated O-Ring under head |
| O-Ring Material | Buna-N (NBR) |
| Quantity per Package | 10 pieces per bag |
| Total Quantity (Lot) | 600 pieces (60 bags x 10) |
| Compliance | REACH Compliant, RoHS Compliant |
| Condition | New |