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Please refer to the table below for  the hexagon key sizes for metric cap screws, countersunk socket screws and grub screws. Please scroll down the page if you wish to purchase a correct size key, or a hexagon ball-end driver (screw driver with ground ball/hexagon end allowing fast off centre driving). Metric and inch sizes are listed

It is essential to use the correct key size for driving cap screws and grub screws etc. In particular, when tightening the smaller sizes of grub screws, using an incorrect key (which may appear to be the correct size before higher torques are applied ) can lead to rounding off of the hexagon socket making removal or further tightening extremely difficult if not impossible.  

This information is supplied in good faith and is correct to the best of our knowledge.

Inch size keys for our BA and UNC socket cap screws range are also available below.

PLUS TOP QUALITY NUT SPINNERS FOR FAST TIGHTENING OF HEXAGON BOLT HEADS AND NUTS - SEE BOTTOM OF THIS PAGE

TEE HANDLE DRIVERS AND FOLD-UP ALAN KEY SETS ALSO NOW STOCKED IN A SELECTION OF SIZES

PIN-VICES (sometimes known as hand vices or hand chucks) - EXCELLENT FOR FINE HAND DRILLING, HOLDING SOLDER WIRE AND HOLDING BINDING WIRE ETC.

Looking for our large range of drill bits and new range of 'Snappy' quick change drill bits?
These are listed in our Taps, Dies and Drills section - please click here.

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.
  Hexagon Keys
Metric and Inch sizes
  Fold-up key Sets
Metric and Inch sizes
 
             
  Ball Drivers
Metric and Inch sizes
  Ball Driver Sets
Metric and Inch sizes
 
             
  Tee Handle  Hex Drivers
Metric and Inch sizes
  Nut Spinners  
             
  Telescopic Magnetic Pick Up 'pen'   Pin Vices  
             
    Combination
Spanners
 
Our new range of Swann Morton craft scalpels, knives and blades
             
 

Stanley 'Fatmax' Screwdrivers

   
             

A/F is the dimension across opposite flat sides of the hexagon key in millimetres and is the nominal key size.

Socket Cap Screws Grub Screws Socket Countersunk & Button Head Screws
(Metric) (Metric) (Metric)
Thread A/F (mm) Thread A/F (mm) Thread A/F (mm)
M1.6 1.5   M1.6 0.7   - -
M2 1.5 M2 0.9 M2 / M2.3 1.3
M2.5/ 2.6 2 M2.5 1.3 M2.5 1.5
M3 2.5 M3 1.5 M3 2
M3.5* 2.5        
M4 3 M4 2.0 M4 2.5
M5 4 M5 2.5 M5 3
M6 5 M6 3 M6 4
M8 6   M8 4   M8 5
M10 8 M10 5 M10 6

* M3.5x50mm cap screws require a 2.8mm A/F hex key.

 

Sizes for BA and UNC below have been converted from inches

Socket Cap Screws   Grub Screws   Socket Cap Screws   Socket Countersunk & Button Head Screws   Grub Screws
(BA)   (BA)   (UNC)   (UNC & UNF)   (UNC & UNF)
Thread A/F (mm)   Thread #]   Thread A/F (mm)   Thread A/F (mm)   Thread A/F (mm)
                           
2BA 4.0 (5/32")   2BA 2.4 (3/32")   No 2 2.0 (5/64")   No 2 1.3(0.05")   No 2 0.9
4BA 2.4 (3/32")   3BA 2.0 (5/64")   No 3 2.0 (5/64")            
6BA 2.0 (5/64")   4BA 1.6 (1/16")   No 4 2.4 (3/32")   No 4 1.6 (1/16")   No 4 1.3(0.05")
8BA 1.6 (1/16")   6BA 1.3 (0.05")   No 5 2.4 (3/32")         No 5 1.6 (1/16")
            No 6 2.8 (7/64")   No 6 2.0 (5/64")   No 6 1.6 (1/16")
            No 8 3.6 (9/64")   No 8 2.4 (3/32")   No 8 2.0 (5/64")
            No 10 4.0 (5/32")   No 10 3.2 (1/8")   No 10 2.4 (3/32")
            1/4 4.75 (3/16")   1/4 4.0 (5/32")   1/4 3.2 (1/8")

We can supply hexagon keys to suit the above sizes :- or scroll down the page for hex-ball drivers

All prices include 20% VAT  Click here for details

  Single Hexagon Keys
Hardened steel 'L' form wrenches - black finish
Orders of 50 keys (of the same size) are automatically discounted at -10%

See below for Hexagon Key Sets

A/F dim

 Length (mm)

Pack Qty

MF Ref

Price   You can enter/change the number of items on the order form
(nom key size)
0.7 (0.027") 30 1 MF-HK-07 £0.60

0.9 (0.035") 38 1 MF-HK-09 £0.60

1.3 (0.05") 41 1 MF-HK-13 £0.60

1.5 45 1 MF-HK-15 £0.50

1.6 (1/16") 45 1 MF-HK-16 £0.60

2.0* 50 1 MF-HK-20 £0.50

2.4 (3/32") 50 1 MF-HK-24 £0.60

2.5 56 1 MF-HK-25 £0.50

2.8 (7/64") 56 1 MF-HK-28 £0.60

3 63 1 MF-HK-30 £0.50

3.2 (1/8") 63 1 MF-HK-32 £0.60

3.6 (9/64") 63 1 MF-HK-36 £0.60

4 70 1 MF-HK-40 £0.60

4.75 (3/16") 80 1 MF-HK-475 £0.60

5 80 1 MF-HK-50 £0.60

6.35 (1/4") 90 1 MF-HK-635 £0.70

* For 2mm A/F sockets, we also stock 85mm long reach allen keys, hexagon ball-end screwdrivers, and bit inserts for electric and manual socket screw drivers. 

For these items please go to our servo screw page.

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

Imperial (inch) sizes also available on application

All prices include 20% VAT  Click here for details

Metric & Inch sizes Fold-Up Hexagon ('Allen') key sets

Bondhus high quality fold up allen keys mounted in a soft feel ergonomic case.
Keys can be opened through a full 180 degree arc, which enables continuous driving in tight spots without the need to continuously re-insert the key.
Type

Hex sizes included

MF Ref

Price You can enter/change the number of items on the order form
Each 
         
Metric 1.5,2,2.5,3,4,5,6mm MF-BFK-10 £6.45

(Red handle)
     
Inch

0.05, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16"

MF-BFK-20 £6.45

(Yellow handle)
         
Twin Set Deal Order both the above sets and save 10% MF-BFK-30 £11.60

         

All prices include 20% VAT  Click here for details

 

 Metric Hexagon Ball-Drivers

 Bondhus high quality tools for fast off-centre driving of Metric grub and cap screws

Please note that the sizes below are the A/F dimension, the across flats dimension of the socket they fit. This is not the metric screw size they are used to tighten. As an example, an M2 metric cap screw requires a 1.5mm A/F driver, not a 2mm driver.
If in doubt of the size you require, please scroll further up this page where you will find a
table of driver sizes for various screw types and sizes.

A/F dim

 Blade 

Handle MF Ref Price You can enter/change the number of items on the order form
(mm) length (mm) Length (mm) Each 
           
1.5 65 55 MF-BD-15 £2.60

2.0 70 55 MF-BD-20 £2.75

         
2.5 80 60 MF-BD-25 £2.75

3.0 85 85 MF-BD-30 £2.95

           
4.0 95 105 MF-BD-40 £3.10

5.0 110 110 MF-BD-50 £3.50

Set of 3 (1.5, 2.0, and 2.5mm A/F) MF-BD-MS3 £6.95

Set of 4 (1.5, 2.0, 2.5 and 3.0mm A/F) MF-BD-MS4 £9.25

           
Set of 6 (1.5, 2.0, 2.5, 3, 4, and 5mm A/F)
Supplied in a tough plastic pouch with reinforced hanging eyelet
MF-BD-MS6 £14.75

 

 Imperial (Inch sizes) Hexagon Ball-Drivers
Bondhus high quality tools for fast off-centre driving of UNC and BA grub screws and cap screws
A/F dim

 Blade 

Handle

MF Ref

Price You can enter/change the number of items on the order form
inches (mm) length (mm) Length (mm) Each 
           
0.05" (1.27) 60 44 MF-BD-60 £2.45

           
1/16" (1.6) 64 54 MF-BD-62 £2.45

5/64" (1.98) 68 54 MF-BD-64 £2.45

           
3/32" (2.4) 70 62 MF-BD-66 £2.45

           
7/64" (2.8) 75 62 MF-BD-68 £2.45

           
1/8" (3.2) 75 62 MF-BD-69 £2.45

           
9/64" (3.6) 82 88 MF-BD-70 £2.45

5/32" (4.0) 90 108 MF-BD-72 £2.45

           
Set of 4 (0.05", 1/16", 5/64" and 3/32" A/F) MF-BD-IS4 £8.10

           
Set of 3 (7/64", 9/64", and 5/32" A/F) MF-BD-IS3 £6.45

           
Set of 8 (0.05, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64 & 5/32 inch A/F)
Supplied in a tough plastic pouch with reinforced hanging eyelet
MF-BD-IS8 £18.25

           

Tee Handle Hex Drivers
Bondhus high quality tee handle hexagon drivers
Soft feel handles with steel core
Metric Sizes (Red handle)
Hex`size (A/F)

Shaft

Handle

MF Ref

Price You can enter/change the number of items on the order form
mm length (mm) Length (mm) Each 
           
2.0 135 80 MF-TH-20 £4.95

           
2.5 155 80 MF-TH-25 £4.95

 
3.0 185 80 MF-TH-30 £4.95

           
Set of 3 See above 80 MF-TH-60 £13.35

2, 2.5 & 3.0mm
           
4.0* 220 80 MF-TH-40 £5.95

           
5.0* 225 80 MF-TH-50 £5.95

           

* 4.0 and 5.0 sizes are ball ended allowing slightly off-line driving. Smaller sizes are straight hex shaft.

 
Imperial (Inch) Sizes (Yellow handle)
Hex`size (A/F)

Shaft

Handle

MF Ref

Price You can enter/change the number of items on the order form
Inch (mm) length (mm) Length (mm) Each 
           
3/32" (2.4mm) 140 80 MF-TH-332 £4.95

           
7/64" (2.8mm) 160 80 MF-TH-764 £4.95

 
9/64" (3.6mm) 140 80 MF-TH-964 £4.95

 
5/32" (3.97mm) 140 80 MF-TH-532 £4.95

 
3/16" (4.75mm) 135 100 MF-TH-316 £4.95

           

    

 Magnetic Pick-up 'Pen'

 Extendable, for retrieving small fixings from those hard to reach places. retracts to the size of a ball point pen

Sorry - this item is currently unavailable
Extends to 25" (625mm), retracts to 5" (127mm) Price each only £1.85

 

Nut Spinners

 'King Dick' professional quality socket ended drivers for hexagon bolt heads and nuts. Large grip soft feel handles with chrome vanadium shafts. Handle has through hole for storage on a tool rack.

Not the cheapest, but probably the best. These are top quality tools that will last for years and should not be compared with 'market stall quality' tools.

A/F dim

For metric

Overall

MF Ref

Price You can enter/change the number of items on the order form
(mm) size Length (mm) Each 
           
4 M2 (inc nylocs) 210 MF-NS04 £8.85

8BA
 
5 M2.5 220 MF-NS05 £9.65

6BA
2UNC
           
5.5 M3 220 MF-NS055 £10.25

           
6 M3.5 220 MF-NS06 £10.25

           
7 M4 220 MF-NS07 £10.25

           
8 M5 230 MF-NS08 £10.50

5UNC
           
10 M6 230 MF-NS10 £10.95

           

Combination Spanners

 Finding good quality miniature spanners can be a challenge and so we're now pleased to be able to offer a range of excellent quality  slimline combination spanners to suit our range of metric hexagon form nuts.
Open ended at one end and with a ring at the other, these tools will give years of service.

Jaw width

For metric

Approx Overall

MF Ref

Price You can enter/change the number of items on the order form
(mm) size Length (mm) Each 
           
5.5 M3 93 MF-PX055 £3.95

           
6 M3.5 100 MF-PX06 £3.95

           
7 M4 110 MF-PX07 £3.95

           
8 M5 120 MF-PX08 £3.95

           
10 M6 140 MF-PX10 £4.25

           

 

  

 Pin Vices

A set of 4 all steel construction pin vices giving an overall clamping range of 0 to 4.5mm diameter

These tools are excellent for clamping small drills for hand drilling of small holes where access is difficult and a power tools isn't practical.

Shafts are hollow so wire etc can pass all the way through.
 

Clamping Range in the set (mm)

Approx Length (mm) MF Ref Price per set You can enter/change the number of items on the order form
0-1 mm 85 MF-PVS4 £10.25

0.75-1.5 mm  88
1.5-3.0 mm 88
3.0 - 4.5 mm 102

 

New product range
Swann Morton Craft Knives and Hobby Scalpels
Below is our new range of top quality British Made craft knives and Scalpels.
We stock a selection of traditional steel scalpel handles, c/w blades, Acrylic scalpel handles, and retractable scalpel handles plus a selection of spare blades.
All blades are non sterile
       
Product Description Item ref Price You can enter/change the number of items on the order form
       
MF-SM03 £3.45

No 3 Traditional Steel handle for No 10 and No 10A Blades
Supplied with 5 No10a Blades. 134mm long as shown

       
MF-SM04 £3.55

No 4 Traditional Steel handle for No 22 and No 26 Blades
Supplied with 5 No26 Blades. 155mm long as shown
       
MF-SM05 £6.95

No 5a Acrylic handle for No 10 and No 10A Blades
Supplied with 5 No10a Blades. 144mm long as shown
       
MF-SM06

.

£6.95

No 6a Acrylic handle for No 22 and No 26 Blades
Supplied with 5 No26 Blades. 162mm long as shown
       
MF-SMRA1 £5.25

New 'Retractaway Premium' Steel handle
for No 10 and No 10A Blades
156mm long as shown with 10a blade fitted.
Available as a handle only - please select blades from 10 & 10A below
       
       
Swann Morton Scalpel Blades (non sterile)
  Blade No Suitable Handles O/all Blade
Length (mm)
Qty Price You can enter/change the number of items on the order form
      (for scale)      
10 No 3, No 5a, and Retractaway 41 5 £1.00

20 £3.20

100 £12.80

             
10a No 3, No 5a, and Retractaway 41 5 £1.00

20 £3.20

100 £12.80

             
22 No 4 and No 6a 57 5 £1.00

20 £3.20

100 £12.80

             
26 No 4 and No 6a 57 5 £1.00

20 £3.20

100 £12.80

Please note that these are non-sterile surgical blades and are extremely sharp.
Always follow the guidance on the packaging regarding blade removal and re-fittings and do not allow access to these tools by children. Further to the package instructions, always replace blades when they become blunt - accidents are far more likely to occur when using a blunt blade and excessive pressure. We also recommend that eye protection be used to avoid injury in the event of blade breakage (particularly important when using the point end blades).

             
             

These drivers are especially suitable for use with our miniature self tapper and countersunk panel screw range (these are also listed on our self tapper page)
Phillips and slot tipped drivers quality 'Fatmax' Stanley screw drivers
with soft feel grips for comfortable use.
  Tip Style Suitable for MF Ref Price Each You can enter/change the number of items on the order form
Phillips/Cross No 0 and 1cross drive self tappers.
No 0 and 1 countersunk panel screws
65-204 £4.95

Phillip/Cross No 2,4 and 6 cross drive
No 2 countersunk panel screws
65-206 £5.25

Slot No 0 and 1 slot drive self tappers and brass wood screws 65-006 £4.25

Slot No 2 and 4 slot drive self tappers 64-978 £4.25

 

This page was last modified on : May 26, 2016

 
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