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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 45

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347000-B Bayfast Wellnuts (BayFast)
347000-B Bayfast Wellnuts (BayFast)
347000-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.215 - 0.422 Inch Grip), Flat Head, Brass Material, Chloroprene Finish

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

BSPN: BA-347000-B | MPN: 347000-B

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BSPN: BA-347000-B | MPN: 347000-B

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Avg Lead Time For Backorders: Nil

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347000-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.215 - 0.422 Inch Grip), Flat Head, Brass Material, Chloroprene Finish

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347004-B Bayfast Wellnuts (BayFast)
347004-B Bayfast Wellnuts (BayFast)
347004-B, Bayfast Wellnuts, 10-24 UNC-2B Thread Size, (0.015 - 0.050 Inch Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347004-B | MPN: 347004-B

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BSPN: BA-347004-B | MPN: 347004-B

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347004-B, Bayfast Wellnuts, 10-24 UNC-2B Thread Size, (0.015 - 0.050 Inch Grip), Flat Head, Brass Material, EPDM Finish

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347006-B Bayfast Wellnuts (BayFast)
347006-B Bayfast Wellnuts (BayFast)
347006-B, Bayfast Wellnuts, M5x0.8 ISO-6H Thread Size, (0.38 - 1.27mm Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347006-B | MPN: 347006-B

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BSPN: BA-347006-B | MPN: 347006-B

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347006-B, Bayfast Wellnuts, M5x0.8 ISO-6H Thread Size, (0.38 - 1.27mm Grip), Flat Head, Brass Material, EPDM Finish

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347008-B Bayfast Wellnuts (BayFast)
347008-B Bayfast Wellnuts (BayFast)
347008-B, Bayfast Wellnuts, 3/8-16 UNC-2B Thread Size, (0.015 - 0.437 Inch Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347008-B | MPN: 347008-B

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BSPN: BA-347008-B | MPN: 347008-B

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347008-B, Bayfast Wellnuts, 3/8-16 UNC-2B Thread Size, (0.015 - 0.437 Inch Grip), Flat Head, Brass Material, EPDM Finish

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347009-B Bayfast Wellnuts (BayFast)
347009-B Bayfast Wellnuts (BayFast)
347009-B, Bayfast Wellnuts, M10X1.5 ISO-6H Thread Size, (0.38 - 11.10mm Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347009-B | MPN: 347009-B

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BSPN: BA-347009-B | MPN: 347009-B

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Avg Lead Time For Backorders: Nil

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347009-B, Bayfast Wellnuts, M10X1.5 ISO-6H Thread Size, (0.38 - 11.10mm Grip), Flat Head, Brass Material, EPDM Finish

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347011-B Bayfast Wellnuts (BayFast)
347011-B Bayfast Wellnuts (BayFast)
347011-B, Bayfast Wellnuts, M4x0.7 ISO-6H Thread Size, (0.38 - 3.96mm Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347011-B | MPN: 347011-B

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BSPN: BA-347011-B | MPN: 347011-B

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347011-B, Bayfast Wellnuts, M4x0.7 ISO-6H Thread Size, (0.38 - 3.96mm Grip), Flat Head, Brass Material, EPDM Finish

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347012-B Bayfast Wellnuts (BayFast)
347012-B Bayfast Wellnuts (BayFast)
347012-B, Bayfast Wellnuts, 8-32 UNC-2B Thread Size, (0.015 - 0.156 Inch Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347012-B | MPN: 347012-B

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BSPN: BA-347012-B | MPN: 347012-B

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347012-B, Bayfast Wellnuts, 8-32 UNC-2B Thread Size, (0.015 - 0.156 Inch Grip), Flat Head, Brass Material, EPDM Finish

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347024-B Bayfast Wellnuts (BayFast)
347024-B Bayfast Wellnuts (BayFast)
347024-B, Bayfast Wellnuts, 6-32 UNC-2B Thread Size, (0.375 - 0.607 Inch Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347024-B | MPN: 347024-B

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BSPN: BA-347024-B | MPN: 347024-B

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347024-B, Bayfast Wellnuts, 6-32 UNC-2B Thread Size, (0.375 - 0.607 Inch Grip), Flat Head, Brass Material, EPDM Finish

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347025-B Bayfast Wellnuts (BayFast)
347025-B Bayfast Wellnuts (BayFast)
347025-B, Bayfast Wellnuts, 8-32 UNC-2B Thread Size, (0.015 - 0.172 Inch Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347025-B | MPN: 347025-B

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BSPN: BA-347025-B | MPN: 347025-B

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347025-B, Bayfast Wellnuts, 8-32 UNC-2B Thread Size, (0.015 - 0.172 Inch Grip), Flat Head, Brass Material, EPDM Finish

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347026-B Bayfast Wellnuts (BayFast)
347026-B Bayfast Wellnuts (BayFast)
347026-B, Bayfast Wellnuts, M4x0.7 ISO-6H Thread Size, (0.38 - 4.37mm Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347026-B | MPN: 347026-B

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BSPN: BA-347026-B | MPN: 347026-B

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Avg Lead Time For Backorders: Nil

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347026-B, Bayfast Wellnuts, M4x0.7 ISO-6H Thread Size, (0.38 - 4.37mm Grip), Flat Head, Brass Material, EPDM Finish

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
347027-B Bayfast Wellnuts (BayFast)
347027-B Bayfast Wellnuts (BayFast)
347027-B, Bayfast Wellnuts, M4x0.7 ISO-6H Thread Size, (0.38 - 1.27mm Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347027-B | MPN: 347027-B

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BSPN: BA-347027-B | MPN: 347027-B

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Avg Lead Time For Backorders: Nil

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347027-B, Bayfast Wellnuts, M4x0.7 ISO-6H Thread Size, (0.38 - 1.27mm Grip), Flat Head, Brass Material, EPDM Finish

We are sorry! The quantity you requested is not currently available with us. Please visit the Product Page to backorder this item.
347029-B Bayfast Wellnuts (BayFast)
347029-B Bayfast Wellnuts (BayFast)
347029-B, Bayfast Wellnuts, 8-32 UNC-2B Thread Size, (0.015 - 0.050 Inch Grip), Flat Head, Brass Material, EPDM Finish

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

BSPN: BA-347029-B | MPN: 347029-B

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BSPN: BA-347029-B | MPN: 347029-B

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Avg Lead Time For Backorders: Nil

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347029-B, Bayfast Wellnuts, 8-32 UNC-2B Thread Size, (0.015 - 0.050 Inch Grip), Flat Head, Brass Material, EPDM Finish

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Items 1-12 of 45

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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!

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