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Captive Nuts
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Captive nuts (or as they are more correctly named, 'tee nuts') have a range of uses but are more commonly used in the hobby for engine fixing (securing engine mounts to the firewall), wing fixings, and undercarriage fixing. 

4BA and 2 BA plus a range of UNC and UNF sizes now also available from stock - see lower down this page

To order, click on the 'Add to Order' button alongside the item of your choice. You can select the quantity on the order form (default is 1). To continue ordering other items, use the 'Back' button on your browser - the order form will retain the information until you are ready to submit your order.

Surface finishes are indicated by Z/P= zinc plated, S/C = self colour

You can review and edit your order, or submit your order at any time by using the button at the bottom of each list.

All prices include 17.5% VAT  Click here for details

Captive (Tee) Nuts 

Metric Threads

Thread No of Prongs Approx Flange Dia (mm) O/All Length (mm) Surface Finish

MF Ref

Pack Qty Pack Price You can enter/change the number of items on the order form
M3 4 13 5 Z/P MF-CN01/10 10 £1.50

MF-CN01/100 100 £13.50

                 
M4 4 15 8 Z/P MF-CN02/10 10 £0.90

MF-CN02/100 100 £8.10

                 
M4 4 18 8 Z/P MF-CN02L/10 10 £0.90

Large flange version MF-CN02L/100 100 £8.10

                 
M5 4 18 9 Z/P MF-CN03/10 10 £0.73

MF-CN03/100 100 £6.57

M6 4 19 9 Z/P MF-CN04/10 10 £0.79

MF-CN04/100 100 £7.11

Looking for M2 tee nuts ? - 2UNC (listed below) make a great miniature alternative and we now stock 2 UNC nylon binder head screws as well as HT steel cap head screws.

Captive (Tee) Nuts 

BA Threads

For thread data click here

Thread No of Prongs Approx Flange Dia (mm) O/All Length (mm) Surface Finish

MF Ref

Pack Qty Pack Price You can enter/change the number of items on the order form
Sorry - this item is temporarily out of stock.
4BA 4 9 4.5 S/C MF-CN14/10 10 £1.50

MF-CN14/100 100 £13.50

Sorry - this item is temporarily out of stock.
2BA 3 15 6 S/C MF-CN12/10 10 £1.40

MF-CN12/100 100 £12.60

Captive (Tee) Nuts 

UNC and UNF Threads

For thread data click here

Thread No of Prongs Approx Flange Dia (mm) O/All Length (mm) Surface Finish

MF Ref

Pack Qty Pack Price You can enter/change the number of items on the order form
2-56 (UNC) 3 6.5 4 Z/P MF-CN20/10 10 £1.75

4-40 (UNC) 3 9 4 Z/P MF-CN22/10 10 £1.50

Sorry - this item is temporarily out of stock.
6-32 (UNC) 4 13 6 Z/P MF-CN24/10 10 £1.50

8-32 (UNC) 3 13 8 Z/P MF-CN26/10 10 £1.50

                 
10-24 (UNC) 3 18 9 Z/P MF-CN28/10 10 £1.50

                 
10-32 (UNF) 3 18 9 Z/P MF-CN30/10 10 £1.50

                 
1/4-20 (UNC) 3 19 9 Z/P MF-CN32/10 5 £1.50

                 

 

 

  Other related items (click on pictures)
   
  Cap Screws Flat Washers Spring Washers
    Nylon Screws Steel Screws  
             
  Lost the captive nut in the fus again ? - Our magnetic tipped extendable 'pen' is great for fishing out small steel fasteners from hard-to-reach places.
     
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Last modified: March 22, 2008