The store will not work correctly in the case when cookies are disabled.
JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
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.
We are sorry! The quantity you requested is not currently available with us. Please visit the
Product Page to backorder this item.
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
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347000 | MPN: 347000
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
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.
347000-B Bayfast Threaded Inserts (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
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347000-B | MPN: 347000-B
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347000-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.215 - 0.422 Inch Grip), Flat Head, Brass Material, Chloroprene Finish
We are sorry! The quantity you requested is not currently available with us. Please visit the
Product Page to backorder this item.
347030 Pop Wellnuts (Pop) 347030, POP D1420 Wellnut 1/4-20, [.031-.187 GR] .829 Length, Flat Head, .187 Head Height, Round Body, Brass/Chloroprene
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347030 | MPN: 347030
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347030 | MPN: 347030
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347030, POP D1420 Wellnut 1/4-20, [.031-.187 GR] .829 Length, Flat Head, .187 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.
347030-B Bayfast Threaded Inserts (Bayfast) 347030-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.031 - 0.187 Inch Grip), Flat Head, Brass Material, EPDM Finish
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347030-B | MPN: 347030-B
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347030-B | MPN: 347030-B
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347030-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.031 - 0.187 Inch 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.
347068 Pop Wellnuts (Pop) 347068, POP J1420 Wellnut 1/4-20, [.250-.457 GR] 1.051 Length, Flat Head, .051 Head Height, Round Body, Brass/Chloroprene
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347068 | MPN: 347068
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347068 | MPN: 347068
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347068, POP J1420 Wellnut 1/4-20, [.250-.457 GR] 1.051 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.
347068-B Bayfast Threaded Inserts (Bayfast) 347068-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.250 - 0.457 Inch Grip), Flat Head, Brass Material, EPDM Finish
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347068-B | MPN: 347068-B
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347068-B | MPN: 347068-B
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347068-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.250 - 0.457 Inch 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.
347095 Pop Wellnuts (Pop) 347095, POP W1420 Wellnut 1/4-20, [.197-.342 GR] .801 Length, Flat Head, .051 Head Height, Round Body, Brass/Chloroprene
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347095 | MPN: 347095
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347095 | MPN: 347095
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347095, POP W1420 Wellnut 1/4-20, [.197-.342 GR] .801 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.
347095-B Bayfast Threaded Inserts (Bayfast) 347095-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.187 - 0.343 Inch Grip), Flat Head, Brass Material, EPDM Finish
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347095-B | MPN: 347095-B
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347095-B | MPN: 347095-B
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347095-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.187 - 0.343 Inch 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.
347102 Pop Wellnuts (Pop) 347102, POP 1/4S Wellnut 1/4-20, [.015-.111 GR] .630 Length, Flat Head, .051 Head Height, Round Body, Brass/Chloroprene
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347102 | MPN: 347102
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347102 | MPN: 347102
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347102, POP 1/4S Wellnut 1/4-20, [.015-.111 GR] .630 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.
347102-B Bayfast Threaded Inserts (Bayfast) 347102-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.015 - 0.111 Inch Grip), Flat Head, Brass Material, EPDM Finish
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347102-B | MPN: 347102-B
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347102-B | MPN: 347102-B
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347102-B, Bayfast Wellnuts, 1/4-20 UNC-2B Thread Size, (0.015 - 0.111 Inch 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.
347355 Pop Wellnuts (Pop) 347355, POP JL1420 Wellnut 1/4-20, [.625-.830 GR] 1.432 Length, Flat Head, .422 Head Height, Round Body, Brass/Chloroprene
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347355 | MPN: 347355
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347355 | MPN: 347355
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347355, POP JL1420 Wellnut 1/4-20, [.625-.830 GR] 1.432 Length, Flat Head, .422 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.
347440 Pop Wellnuts (Pop) 347440, POP JM1420 Wellnut 1/4-20, [.215-.422 GR] 1.440 Length, Flat Head, .440 Head Height, Round Body, Brass/Chloroprene
Minimum Order Qty : 1 | Qty Interval : N/A
BSPN: BA-347440 | MPN: 347440
Offers Available
Price: Request a Quote | Your Net Price: Request a Quote
Available Qty: -
Minimum Order Qty : 1
Qty Interval: 1
Add to My Quote List
Add to My Quote List
BSPN: BA-347440 | MPN: 347440
Offers Available
Price: Request a Quote
Your Net Price: Request a Quote
Avg Lead Time For Backorders: Nil
Backorder Available Date: Nil
Available Qty: -
347440, POP JM1420 Wellnut 1/4-20, [.215-.422 GR] 1.440 Length, Flat Head, .440 Head Height, Round Body, Brass/Chloroprene
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!
Shop By
Refine By Thread Size 1/4-20 UNC-2B
Shopping Options Decimal Equivalent Diameter