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Blind Nuts

Attach nuts to metal & plastic workpieces unilaterally

The POP one-side fastening method allows fast nut setting. Enables quick assembly on assembly lines with low-skill workers, helping to reduce costs compared to welding nut, burring tap and bolt & nut methods.POP Nut Sectional view Installation after surface treatment and in the later processes is possible because nuts do not damage the surface.

Thread size M3 M4 M5 M6 M8 M10 M12
Grip range 0.5mm~6.0mm
Material Aluminum, Steel, Stainless steel
POP Rivet Fastening Process Movie
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For assembling POP Nuts and POP inserts
POP Nut Fastening Tools

POP fastening tools can fasten POP Nuts and POP insert easily. Choose a suitable tool type from manually operated, electric, air pressure and air-hydraulic tools depending on your situation.

Air hydraulic PNT800A PNT800L-PC PNT1000L PNT1000L-PC etc.
Air pressure AN-500A
Electric EN600A EN1000A
Manual PNT110 PNT210 MN-10A
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Design and manufacture based on customers' specifications
POP Automation Systems

Based on customer's specifications, NPR designs and manufactures fastening systems from jigs that hold things in place vertically to fully automated assembly lines. NPR approaches fastening as a system and offers a total fastening system from fasteners to auto-fastening systems.

POP Rivets RivetKwik multi-axis riveting automatic rivet feeding etc.
POP Nuts NutKwik automatic nut feeding etc.
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As a rubber blind nut, it provides anti-vibration & isolating conductivity
Well Nuts

Well Nuts are rubber blind nuts which can be fastened unilaterally with anti-vibration, isolating conductivity and seal effect. They can easily be unilaterally installed with a screwdriver. They are especially effective for noise reduction of the fan unit because of their vibration reduction effect.

Thread size M3 M4 M5 M6 M8
Material Body/Chloroprene
EPDM Nut/Bronze
Cross section of Well Nuts
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Fix nuts to a wide range of pieces unilaterally
Jack Nuts

Jack Nuts can be installed into not only metal pieces, but also fragile pieces made of plastic and glass since 3-4 legs of Jack Nuts open according to the shape to securely hold the workpieces when fastening. The grip range of Jack Nuts is wider compared to POP Nuts.

Thread size M3 M4 M5 M6
Material Steel
Cross section of Jack Nuts
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Fix bolts in plastic and metal workpieces unilaterally
HB Bolts

Bolts can be fixed easily in plastic and metal workpieces unilaterally with air hydraulic hand tools. Insert bolts and weld bolts can be replaced with HB Bolts.

Thread size M6 M8
Grip range 0.5mm~4.5mm
Material steel
HB Bolts Sectional view
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For reinforcing and repairing damaged screw threads

Heli-Coil is the screw thread insert, an elastic type of spring coil. When inserted into the tap hole of the workpiece,Heli-Coil screw threads are reinforced and strengthened.

Thread size M2.2 M2.5 M3 M3.5 M4 M5 M6 M7 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39
Material Stainless steel
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