Wellnut Inserts

Wellnut Inserts

Explore our large selection of well nut inserts and find exactly what you need for your project or applications. You'll discover wellnut inserts from a wide variety of manufactures including Bayfast, Marson, and Pop. Available in an array of dimensions and shipping quantities, you'll find a wellnut insert that meets the exact specifications your workpiece. If you need another solution or product, take a look at our inventory of fasteners and rivet nut inserts.


Contact us or request a quote to learn more about our selection of well nut inserts.

Wellnut Inserts
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Items 1-12 of 207

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347000 Pop Wellnuts (Pop)
347000, POP AC1420 Wellnut 1/4-20, [.280-.500 GR] 1.301 Length, Flat Head, .051 Head Height, Round Body, Brass/Chloroprene

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347000 | MPN: 347000

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BSPN: BA-347000 | MPN: 347000

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Avg Lead Time For Backorders: Nil

Backorder Available Date: Nil

Available Qty: -

347000, POP AC1420 Wellnut 1/4-20, [.280-.500 GR] 1.301 Length, Flat Head, .051 Head Height, Round Body, Brass/Chloroprene

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
16-47U Bayfast Wellnuts (BayFast)
347000-B, Bayfast Wellnut 1/4-20, [.280-.500 GR] 1.301 Length, Flat Head, .051 Head Height, Round Body, Brass/EPDM

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347000-B | MPN: 16-47U

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BSPN: BA-347000-B | MPN: 16-47U

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347000-B, Bayfast Wellnut 1/4-20, [.280-.500 GR] 1.301 Length, Flat Head, .051 Head Height, Round Body, Brass/EPDM

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
347004 Pop Wellnuts (Pop)
347004, POP A1024 Wellnut 10-24, [.015-.050 GR] .562 Length, Flat Head, .125 Head Height, Round Body, Snap In, Brass/Chloroprene

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347004 | MPN: 347004

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BSPN: BA-347004 | MPN: 347004

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347004, POP A1024 Wellnut 10-24, [.015-.050 GR] .562 Length, Flat Head, .125 Head Height, Round Body, Snap In, Brass/Chloroprene

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16-11U Bayfast Wellnuts (BayFast)
347004-B, Bayfast Wellnut 10-24, [.015-.050 GR] .562 Length, Flat Head, .125 Head Height, Round Body, Snap In, Brass/EPDM

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347004-B | MPN: 16-11U

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BSPN: BA-347004-B | MPN: 16-11U

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347004-B, Bayfast Wellnut 10-24, [.015-.050 GR] .562 Length, Flat Head, .125 Head Height, Round Body, Snap In, Brass/EPDM

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347006 Pop Wellnuts (Pop)
347006, POP A1024 Wellnut M5x0.8, [.38-1.27mm GR] 14.27mm Length, Flat Head, 3.18mm Head Height, Round Body, Snap In, Brass/Chloroprene

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347006 | MPN: 347006

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BSPN: BA-347006 | MPN: 347006

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347006, POP A1024 Wellnut M5x0.8, [.38-1.27mm GR] 14.27mm Length, Flat Head, 3.18mm Head Height, Round Body, Snap In, Brass/Chloroprene

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
16-11M Bayfast Wellnuts (BayFast)
347006-B, Bayfast Wellnut M5x0.8, [.38-1.27mm GR] 14.27mm Length, Flat Head, 3.18mm Head Height, Round Body, Snap In, Brass/EPDM

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347006-B | MPN: 16-11M

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BSPN: BA-347006-B | MPN: 16-11M

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347006-B, Bayfast Wellnut M5x0.8, [.38-1.27mm GR] 14.27mm Length, Flat Head, 3.18mm Head Height, Round Body, Snap In, Brass/EPDM

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
347008 Pop Wellnuts (Pop)
347008, POP A3816 Wellnut 3/8-16, [.015-.437 GR] 1.062 Length, Flat Head, .187 Head Height, Round Body, Brass/Chloroprene

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347008 | MPN: 347008

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BSPN: BA-347008 | MPN: 347008

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Avg Lead Time For Backorders: Nil

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347008, POP A3816 Wellnut 3/8-16, [.015-.437 GR] 1.062 Length, Flat Head, .187 Head Height, Round Body, Brass/Chloroprene

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16-67U Bayfast Wellnuts (BayFast)
347008-B, Bayfast Wellnut 3/8-16, [.015-.437 GR] 1.062 Length, Flat Head, .187 Head Height, Round Body, Brass/EPDM

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347008-B | MPN: 16-67U

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BSPN: BA-347008-B | MPN: 16-67U

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Avg Lead Time For Backorders: Nil

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347008-B, Bayfast Wellnut 3/8-16, [.015-.437 GR] 1.062 Length, Flat Head, .187 Head Height, Round Body, Brass/EPDM

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
347009 Pop Wellnuts (Pop)
347009, POP A3816 WellnutM8x1.25, [.38-11.10mm GR] 26.97mm Length, Flat Head, 4.75mm Head Height, Round Body, Brass/Chloroprene

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347009 | MPN: 347009

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BSPN: BA-347009 | MPN: 347009

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Avg Lead Time For Backorders: Nil

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347009, POP A3816 WellnutM8x1.25, [.38-11.10mm GR] 26.97mm Length, Flat Head, 4.75mm Head Height, Round Body, Brass/Chloroprene

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
16-67M Bayfast Wellnuts (BayFast)
347009-B, Bayfast WellnutM8x1.25, [.38-11.10mm GR] 26.97mm Length, Flat Head, 4.75mm Head Height, Round Body, Brass/EPDM

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347009-B | MPN: 16-67M

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BSPN: BA-347009-B | MPN: 16-67M

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Avg Lead Time For Backorders: Nil

Backorder Available Date: Nil

Available Qty: -

347009-B, Bayfast WellnutM8x1.25, [.38-11.10mm GR] 26.97mm Length, Flat Head, 4.75mm Head Height, Round Body, Brass/EPDM

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
347011 Pop Wellnuts (Pop)
347011, POP B832 Wellnut M4x0.7, [.38-3.96mm GR] 12.67mm Length, Flat Head, 1.32mm Head Height, Round Body, Brass/Chloroprene

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347011 | MPN: 347011

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BSPN: BA-347011 | MPN: 347011

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Avg Lead Time For Backorders: Nil

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347011, POP B832 Wellnut M4x0.7, [.38-3.96mm GR] 12.67mm Length, Flat Head, 1.32mm Head Height, Round Body, Brass/Chloroprene

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
16-04M Bayfast Wellnuts (BayFast)
347011-B, Bayfast Wellnut M4x0.7, [.38-3.96mm GR] 12.67mm Length, Flat Head, 1.32mm Head Height, Round Body, Brass/EPDM

Minimum Order Qty:1 | Qty Interval: N/A

BSPN: BA-347011-B | MPN: 16-04M

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BSPN: BA-347011-B | MPN: 16-04M

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347011-B, Bayfast Wellnut M4x0.7, [.38-3.96mm GR] 12.67mm Length, Flat Head, 1.32mm Head Height, Round Body, Brass/EPDM

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Items 1-12 of 207

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Shop for Well Nut Fastener Inserts at Bay Supply

If you have a job that involves sealing bolt holes or connecting items to surfaces, you may need well nut fastener inserts! Wellnut inserts can be blind fastened since only one side of the hole needs to be revealed. Appropriate for many different applications, well nuts offer water-resistant fastening, vibration resistance and, in some instances, insulation between materials. Bay Supply has a wide range of wellnut inserts available, so start browsing now!