ISO-F DN, 320 400, 500 Bolt, for Tapped Bulkhead Weld-On Vacuum Flange, Metric M12 x 40 mm Long Bolts, 1.75 mm Pitch, 304 Stainless Steel, Silver Plated
ISO-F DN 320, 400, 500, Bolt, for Tapped Bulkhead Weld-On Vacuum Flange, Metric M12 x 40 mm Long Bolts, 1.75 mm Pitch, 304 Stainless Steel, Silver Plated
Sold As One Each, One Bolt and One Washer

These bolts are for tapped threaded hole flanges and follow ISO-LF standards for flange sizes of NW-320, NW-400, NW-500. ISO flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. The fittings are quick to assemble using double claw clamps and a centering ring (please see top right figure - click to enlarge). The Viton® centering ring contains a rubber/elastomeric o-ring. The ISO standard sizes for large flanges are NW-63, NW-80, NW-100, NW-160, NW-200, NW-250, NW-320, NW-400, NW-500, NW-630, NW-800, NW-1000. These vacuum fittings are made of corrosive resistant 304 stainless steel.


Bolt And Washer, for Tapped Threaded Hole NW-320, NW-400, NW-500, Vacuum Flanges, Stainless Steel
Fits ISO-LF Bulkhead Flange Size: NW-320, NW-400, NW-500
Sold as Quantity: 1 Bolt And 1 Washer

Bolt Quantity Required
  • ISO-320: Needs 12 Each
  • ISO-400: Needs 16 Each
  • ISO-500: Needs 16 Each

Common Dimensions: Bolt Size M12X40 Pitch 1.75mm
Product: ISO-F DN, 320 400, 500 Bolt, for Tapped Bulkhead Weld-On Vacuum Flange, Metric M12 x 40 mm Long Bolts, 1.75 mm Pitch, 304 Stainless Steel, Silver Plated
Condition:      New
Warranty:     Against Product Defect
Part Number: P1013041
Price: $3.20