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Steel Grub Screws

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The lists below show our range of Metric, UNC, UNF, BA, and now also a limited range of Whitworth  'grub' screws, in grade 10.9 high strength steel. 

Quick Links to item on this page
Click on the images to go direct to each item list. Images are indicative only and exact forms may vary.

Metric Grub Screws

UNC Grub Screws

UNF Grub Screws

BA Grub Screws

BSW (Whitworth) Grub Screws

    

If you were looking for our stainless grub screw range page please click here

For our new Dog Point stainless range please click here
     
If you were looking for our new range of spring plungers  please click here

 

  All sizes have hexagon socket ends for driving with allen keys.

Socket sizes are stated in millimetres (imperial sizes have been converted to metric). If you need a key, click on the symbol in the tables below and you will be taken to the allen key and ball driver page.

Alternatively, Click Here

We also stock a range of 'Dog Point' Stainless Steel Grub screws - please click here

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 'Continue Shopping' button on order form.

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 dimensions are in millimetres

If the size you require isn't listed please e mail us for a no-obligation quotation.

If you need larger quantities (200 plus) please contact us for a quotation

If you're not sure what thread size you need, or need to send us a sample, click on our 'Thread Data' link at the top of this page'.

All prices include 20% VAT  Click here for details

Grub Screws 

Metric  - Steel 
Thread

Overall  Length (mm)

 Socket size Pack Qty

MF Ref

 Price   You can enter/change the number of items on the order form
             
M2 3 5 MF-GS21 £0.90

50 MF-GS21-50 £6.75

             
M2 4 5 MF-GS22 £0.90

50 MF-GS22-50 £6.75

             
M2 5 5 MF-GS23 £1.00

50 MF-GS23-50 £7.50

             
M2 6 5 MF-GS24 £1.00

50 MF-GS24-50 £7.50

             
M2 8 5 MF-GS25 £1.00

50 MF-GS25-50 £7.50

             
 
M3 3 5 MF-GS31 £0.90

50 MF-GS31-50 £6.75

             
M3 4

5 MF-GS32 £0.90

50 MF-GS32-50 £6.75

             
M3 5 5 MF-GS33 £1.00

50 MF-GS33-50 £7.50

             
M3 6 5 MF-GS34 £1.10

50 MF-GS34-50 £8.20

             
M3 8 5 MF-GS35 £1.10

50 MF-GS35-50 £8.20

             
M3 10 5 MF-GS36 £1.10

50 MF-GS36-50 £8.20

             
M3 16 5 MF-GS38 £1.25

50 MF-GS38-50 £9.40

             
M3 20 5 MF-GS40 £1.75

50 MF-GS40-50 £13.10

             
 
M4 4 5 MF-GS41 £0.75

50 MF-GS41-50 £5.60

             
M4 5 5 MF-GS42 £0.75

50 MF-GS42-50 £5.60

             
M4 6 5 MF-GS43 £0.75

50 MF-GS43-50 £5.60

             
M4 8 5 MF-GS44 £0.85

50 MF-GS44-50 £6.35

             
M4 10 5 MF-GS46 £0.85

50 MF-GS46-50 £6.35

             
M4 12 5 MF-GS47 £0.85

50 MF-GS47-50 £6.35

             
M4 16 5 MF-GS48 £0.90

50 MF-GS48-50 £6.75

             
M4 25 5 MF-GS49 £1.00

50 MF-GS49-50 £7.50

   
M5 5 5 MF-GS52 £0.75

M5 6 5 MF-GS53 £0.75

M5 8 5 MF-GS54 £0.85

M5 10 5 MF-GS55 £0.85

M5 12 5 MF-GS56 £0.85

 
M6 6 5 MF-GS63 £0.75

M6 8 5 MF-GS64 £0.85

M6 10 5 MF-GS66 £0.85

M6 12 5 MF-GS67 £1.00

M6 16 5 MF-GS68 £1.00

M6 30 5 MF-GS70 £1.50

             
M8 8 5 MF-GS80 £1.00

25 MF-GS80/25 £4.00

M8 10 5 MF-GS81 £1.00

25 MF-GS81/25 £4.00

M8 12 5 MF-GS82 £1.20

25 MF-GS82/25 £4.80

M8 16 5 MF-GS84 £1.40

25 MF-GS84/25 £5.60

M8 20 5 MF-GS86 £1.50

25 MF-GS86/25 £6.00

           
M10 10 5 MF-GS101 £1.50

M10 12 5 MF-GS102 £1.50

M10 16 5 MF-GS104 £2.20

M10 20 5 MF-GS106 £2.40

             
     

 

 

Grub Screws 

UNC (Unified Coarse Thread)  - Steel 

(some sizes also in A2 stainless steel where stated)
Thread

Overall  Length (inches)

 Socket size Pack Qty

MF Ref

 Price   You can enter/change the number of items on the order form
 
2-56 1/8" 5 MF-GS100 £1.20

           
4-40 1/8" 5 MF-GS110 £1.20

4-40 1/4" 5 MF-GS111 £1.20

4-40 3/8" 5 MF-GS112 £1.20

4-40 1/2" 5 MF-GS113 £1.20

 
5-40 1/8" 5 MF-GS120 £1.20

5-40 5/16" 5 MF-GS123 £1.20

5-40 1/2" 5 MF-GS125 £1.20

6-32 1/8" 5 MF-GS130 £1.20

6-32 1/4" 5 MF-GS132 £1.20

6-32 3/8" 5 MF-GS133 £1.20

  Sorry - this item is temporarily out of stock  
6-32 1/2" 5 MF-GS134 £1.20

 
8-32 1/8" 5 MF-GS140 £1.50

8-32 1/4" 5 MF-GS142 £1.50

8-32 1/2" 5 MF-GS144 £1.50

 
10-24 1/4" 5 MF-GS160 £1.50

10-24 3/8" 5 MF-GS162 £1.50

10-24 1/2" 5 MF-GS163 £1.50

 
10-24
Stainless steel		 1/4" 5 MF-GS160S £1.50

10-24
Stainless steel		 3/8" 5 MF-GS162S £1.50

10-24
Stainless steel		 1/2" 5 MF-GS163S £1.50

             
             
1/4"-20 1/4" 5 MF-GS145 £1.50

1/4"-20 1/2" 5 MF-GS147 £1.50

             
5/16"-18
Stainless steel		 5/16"   5 MF-GS155S £1.50

5/16"-18 3/4"   5 MF-GS153 £1.50

5/16"-18 1"   5 MF-GS154 £1.50

             
     

 

Grub Screws 

UNF (Unified Fine Thread)  - Steel (unless specified otherwise)
 
Thread

Overall  Length (inches)

 Socket size Pack Qty

MF Ref

 Price   You can enter/change the number of items on the order form
       
10-32 1/4" 5 MF-GS143F £1.20

10-32 3/8" 5 MF-GS144F £1.20

10-32 3/4" 5 MF-GS146F £1.50

             
             
1/4"-28 3/16"   5 MF-GS148F £1.50

1/4"-28
Stainless steel		 3/16"   5 MF-GS148FS £1.50

             
1/4"-28
Stainless steel		 1/4"   5 MF-GS152FS £1.50

             
5/16"-24
Plated		 1/2"   5 MF-GS151F £1.50

             
3/8"-24 1/2"   5 MF-GS149F £1.50

             
     

   
 

 

Grub Screws 

BA (British Association thread)  - Steel 
Thread

Overall  Length (inches)

 Socket size Pack Qty

MF Ref

 Price   You can enter/change the number of items on the order form
6BA 3/16" 5 MF-GS200 £2.50

6BA 1/4" 5 MF-GS201 £2.50

           
4BA 3/16" 5 MF-GS209 £1.75

  Sorry - this item is temporarily out of stock  
4BA 1/4" 5 MF-GS210 £1.75

4BA 5/16" 5 MF-GS211 £2.00

  Sorry - this item is temporarily out of stock  
4BA 3/8" 5 MF-GS212 £2.00

     
4BA 1/2" 5 MF-GS213 £2.50

             
2BA 1/4" 5 MF-GS229 £1.50

2BA 3/8" 5 MF-GS230 £1.75

2BA 1/2" 5 MF-GS232 £1.75

Sorry, this items is currently out of stock
2BA 3/4" 5 MF-GS234 £1.75

     

 

Looking for 0BA ? - Metric M6 is virtually identical and can usually be successfully used as a substitute in non-critical applications

Grub Screws 

BSW (Whitworth)  - Steel    

We currently have a limited range of this now rather scarce thread form, that will be extended soon. Please e mail us if the thread you require is not shown - we may be able to supply.
Dia

Overall  Length (inches)

 Socket size Pack Qty

MF Ref

 Price   You can enter/change the number of items on the order form
             
1/8" 5/16"   5 MF-GS296 £1.50

 
3/16" 3/16" 5 MF-GS298 £1.50

3/16" 1/4" 5 MF-GS300 £1.50

3/16" 1/2" 5 MF-GS305 £1.50

             
1/4" 1/4"   5 MF-GS310 £1.50

             
3/8" 3/8"   5 MF-GS320 £1.50

             
     

 

 

 

If the size you require isn't listed please e mail us for a no-obligation quotation.

This page was last modified on : May 07, 2013

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