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The lists below show our range of Metric, UNC, UNF, BA, BSW and BSF cup point 'grub' screws,
in grade 14.9 (or equivalent) high strength steel to Din 916

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		BSF (Whitworth Fine) Grub Screws
If you were looking for our stainless grub screw range page please click here
For our new Dog Point  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.

Grub Screw Kits
	These grub screw kits are a handy selection of popular cup point sizes used in many hobby , household and engineering applications. Each kit contains sizes ranging from M2 to M6 or M3 to M10, plus the correct sized hex keys to drive them. We offer an option of a stainless steel kit and a black HT steel kit. Please scroll to the bottom of this page for more details or click here.

To order any of the items on this page, 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   Din 916  'Cup' Point

Thread	Overall  Length (mm)	Socket Size	Pack Qty	MF Ref	Price	You can enter/change the number of items on the order form
M2
	Sorry - this item is currently unavailable
M2	2		5	MF-GS20	£0.90
			50	MF-GS20-50	£6.75
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	£1.50
			50	MF-GS23-50	£11.25
M2	6		5	MF-GS24	£1.00
			50	MF-GS24-50	£7.50
M2	8		5	MF-GS25	£1.50
			50	MF-GS25-50	£11.25
Driving Tools for M2 Grub Screws
0.9mm (0.035") Hex Key				MF-HK-09	£0.60
M2.5
M2.5	3		5	MF-GS51	£1.10
			50	MF-GS51-50	£8.20
M2.5	4		5	MF-GS26	£1.10
			50	MF-GS26-50	£8.20
M2.5	5		5	MF-GS27	£1.10
			50	MF-GS27-50	£8.20
M2.5	6		5	MF-GS28	£1.10
			50	MF-GS28-50	£8.20
M2.5	8		5	MF-GS29	£1.40
			50	MF-GS29-50	£10.50
M2.5	10		5	MF-GS30	£1.60
			50	MF-GS30-50	£12.00
Driving Tools for M2.5 Socket Grub Screws
1.27mm (0.05") Hex Key				MF-HK-13	£0.60
1.27mm Hex/Ball Driver				MF-BD-13	£2.75
M3
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	12		5	MF-GS37	£1.10
			50	MF-GS37-50	£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
Driving Tools for M3 Socket Grub Screws
1.5mm Hex Key				MF-HK-15	£0.50
1.5mm Hex/Ball Driver				MF-BD-15	£2.75
M4
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	20		5	MF-GS49	£1.00
			50	MF-GS49-50	£7.50
M4	25		5	MF-GS50	£1.00
			50	MF-GS50-50	£7.50
Driving Tools for M4 Socket Grub Screws
2.0mm Hex Key				MF-HK-20	£0.50
2.0mm Hex/Ball Driver				MF-BD-20	£2.75
2.0mm T Handle Driver				MF-TH-20	£4.95
M5
M5	5		5	MF-GS52	£0.75
			50	MF-GS52-50	£6.00
M5	6		5	MF-GS53	£0.75
			50	MF-GS53-50	£6.00
M5	8		5	MF-GS54	£0.85
			50	MF-GS54-50	£6.80
M5	10		5	MF-GS55	£0.85
			50	MF-GS55-50	£6.80
M5	12		5	MF-GS56	£0.85
			50	MF-GS56-50	£6.80
M5	16		5	MF-GS57	£0.95
			50	MF-GS57-50	£7.60
M5	20		5	MF-GS58	£0.95
			50	MF-GS58-50	£7.60
Driving Tools for M5 Socket Grub Screws
2.5mm Hex Key				MF-HK-25	£0.50
2.5mm Hex/Ball Driver				MF-BD-25	£2.75
2.5mm T Handle Driver				MF-TH-25	£4.95
M6
M6	5		5	MF-GS62	£0.75
			50	MF-GS62-50	£6.00
M6	6		5	MF-GS63	£0.75
			50	MF-GS63-50	£6.00
M6 (x0.75 fine pitch)	6		5	MF-GS63F	£2.00
M6	8		5	MF-GS64	£0.85
			50	MF-GS64-50	£6.80
M6 (x0.75 fine pitch)	8		5	MF-GS64F	£2.00
M6	10		5	MF-GS66	£0.85
			50	MF-GS66-50	£6.80
M6 (x0.75 fine pitch)	10		5	MF-GS66F	£2.00
M6	12		5	MF-GS67	£1.00
			50	MF-GS67-50	£8.00
M6	16		5	MF-GS68	£1.00
			50	MF-GS68-50	£8.00
M6	20		5	MF-GS69	£1.20
			50	MF-GS69-50	£9.60
M6	25		5	MF-GS70	£1.30
			50	MF-GS70-50	£10.40
M6	30		5	MF-GS71	£1.50
			50	MF-GS71-50	£12.00
Driving Tools for M6 Socket Grub Screws
3.0mm Hex Key				MF-HK-30	£0.50
3mm Hex/Ball Driver				MF-BD-30	£2.95
3mm T Handle Driver				MF-TH-30	£4.95
3mm Swivel wrench				MF-BSHW3	£7.25
M8
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
Driving Tools for M8 Socket Grub Screws
4mm Hex Key				MF-HK-40	£0.60
4mm Hex/Ball Driver				MF-BD-40	£3.45
4mm T Handle Driver				MF-TH-40	£5.95
4mm Swivel Wrench				MF-BSHW4	£7.40
M10
M10	10		5	MF-GS101	£1.50
			25	MF-GS101-25	£6.00
M10	12		5	MF-GS102	£1.50
			25	MF-GS102-25	£6.00
M10	16		5	MF-GS104	£2.20
			25	MF-GS104-25	£8.80
M10	20		5	MF-GS106	£2.40
			25	MF-GS106-25	£9.60
Driving Tools for M10 Socket Grub Screws
5.0mm Hex Key				MF-HK-50	£0.60
5mm Hex/Ball Driver				MF-BD-50	£3.50
5mm T Handle Driver				MF-TH-50	£5.95
5mm Swivel wrench				MF-BSHW5	£7.60

Grub Screws  UNC (Unified Coarse Thread)  - Steel   'Cup' Point (some sizes also in A2 stainless steel where stated)

Thread	Overall  Length (mm)	Socket Size	Pack Qty	MF Ref	Price	You can enter/change the number of items on the order form
2 UNC
2-56	1/8"		5	MF-GS100	£1.20
Driving Tools for 2-56 UNC Socket Grub Screws
0.9mm (0.035") Hex Key				MF-HK-09	£0.60
4 UNC
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
Driving Tools for 4-40 UNC Socket Grub Screws
1.27mm (0.05") Hex Key				MF-HK-13	£0.60
1.27mm Hex/Ball Driver				MF-BD-13	£2.75
5 UNC
5-40	1/8"		5	MF-GS120	£1.20
5-40	3/16"		5	MF-GS121	£1.20
	Sorry, this item is temporarily out of stock
5-40	1/4"		5	MF-GS122	£1.20
5-40	5/16"		5	MF-GS123	£1.20
5-40	1/2"		5	MF-GS125	£1.20
Driving Tools for 5-40 UNC Socket Grub Screws
1.6mm (1/16") Hex Key				MF-HK-16	£0.60
1/16" Hex/Ball Driver				MF-BD-62	£2.75
6 UNC
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
6-32	1/2"		5	MF-GS134	£1.20
Driving Tools for 6-32 UNC Socket Grub Screws
1.6mm (1/16") Hex Key				MF-HK-16	£0.60
1/16" Hex/Ball Driver				MF-BD-62	£2.75
8 UNC
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
8-32	1"		5	MF-GS146	£1.75
Driving Tools for 8-32 UNC Socket Grub Screws
2.0mm Hex Key				MF-HK-20	£0.50
2.0mm Hex/Ball Driver				MF-BD-20	£2.75
2.0mm T Handle Driver				MF-TH-20	£4.95
10 UNC
10-24	3/16"		5	MF-GS159	£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	3/4"		5	MF-GS164	£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
Driving Tools for 10-24 UNC Socket Grub Screws
2.4mm (3/32) Hex Key				MF-HK-24	£0.60
3/32" Hex/Ball Driver				MF-BD-66	£2.75
3/32" T Handle Driver				MF-TH-332	£4.95
12 UNC
12-24	1/4"		5	MF-GS168	£1.50
Driving Tools for 12-24 UNC Socket Grub Screws
2.4mm (3/32) Hex Key				MF-HK-24	£0.60
3/32" Hex/Ball Driver				MF-BD-66	£2.75
3/32" T Handle Driver				MF-TH-332	£4.95
1/4" UNC
1/4"-20	1/4"		5	MF-GS145	£1.50
			25	MF-GS145/25	£6.00
1/4"-20 Stainless Steel	1/4"		5	MF-GS145S	£1.75
			25	MF-GS145S/25	£7.00
1/4"-20	1/2"		5	MF-GS147	£1.50
			25	MF-GS147/25	£6.00
1/4"-20	3/4"		5	MF-GS148	£1.50
			25	MF-GS148/25	£6.00
1/4"-20	1"		5	MF-GS149	£1.50
			25	MF-GS149/25	£6.00
Driving Tools for 1/4-20 UNC Socket Grub Screws
3.2mm (1/8") Hex Key				MF-HK-32	£0.60
1/8" Hex/Ball Driver				MF-BD-69	£3.15
5/16" UNC
5/16"-18	5/16"		5	MF-GS152	£1.50
5/16"-18	3/4"		5	MF-GS153	£1.50
5/16"-18	1"		5	MF-GS154	£1.50
Driving Tools for 5/16-18 UNC Socket Grub Screws
4.0mm Hex/Allen Key				MF-HK-40	£0.60
4.0mm Hex/Ball Driver				MF-BD-40	£3.45
4.0mm T Handle Driver				MF-TH-40	£5.95
4mm Swivel Wrench				MF-BSHW4	£7.40

Grub Screws  UNF (Unified Fine Thread)  - Black Steel (unless specified otherwise)  'Cup' Point

Thread	Overall  Length (mm)	Socket Size	Pack Qty	MF Ref	Price	You can enter/change the number of items on the order form
4 UNF
4-48	1/8"		5	MF-GS110F	£1.20
4-48	3/16"		5	MF-GS111F	£1.20
4-48	1/4"		5	MF-GS112F	£1.20
4-48	1/2"		5	MF-GS113F	£1.50
Driving Tools for 4-48 UNF Socket Grub Screws
1.27mm (0.05") Hex Key				MF-HK-13	£0.60
1.27mm Hex/Ball Driver				MF-BD-13	£2.75
6 UNF
	Sorry - this item is temporarily out of stock
6-40	1/4"		5	MF-GS130F	£1.20
6-40	5/16"		5	MF-GS131F	£1.20
6-40	3/8"		5	MF-GS133F	£1.20
Driving Tools for 6-40 UNF Socket Grub Screws
1.6mm (1/16") Hex Key				MF-HK-16	£0.60
1/16" Hex/Ball Driver				MF-BD-62	£2.75
8 UNF
8-36	1/4"		5	MF-GS142F	£1.20
8-36	3/8"		5	MF-GS143F	£1.20
8-36	1/2"		5	MF-GS144F	£1.20
Driving Tools for 8-36 UNF Socket Grub Screws
2.0mm Hex Key				MF-HK-20	£0.50
2.0mm Hex/Ball Driver				MF-BD-20	£2.75
2.0mm T Handle Driver				MF-TH-20	£4.95
10 UNF
	Please note that our part numbers for 10 UNF grub screws have recently been revised
10-32	1/4"		5	MF-GS160F	£1.20
10-32	3/8"		5	MF-GS162F	£1.20
10-32 Stainless steel	3/8"		5	MF-GS162FS	£2.00
10-32	1/2"		5	MF-GS163F	£1.30
10-32 Stainless steel	1/2"		5	MF-GS163FS	£1.50
10-32	3/4"		5	MF-GS164F	£1.50
10-32 Stainless steel	3/4"		5	MF-GS164FS	£1.50
Driving Tools for 10-32 UNF Socket Grub Screws
2.4mm (3/32") Hex Key				MF-HK-24	£0.60
3/32" Hex/Ball Driver				MF-BD-66	£2.75
3/32" T Handle Driver				MF-TH-332	£4.95
1/4" UNF
1/4"-28	3/16"		5	MF-GS1403F	£1.50
1/4"-28 Stainless steel	3/16"		5	MF-GS1403FS	£1.50
1/4"-28	1/4"		5	MF-GS1404F	£1.50
1/4"-28 Stainless steel	1/4"		5	MF-GS1404FS	£1.50
1/4"-28	3/8"		5	MF-GS1406F	£1.50
1/4"-28	1/2"		5	MF-GS1408F	£1.50
Driving Tools for 1/4-28 UNF Socket Grub Screws
3.2mm (1/8") Hex Key				MF-HK-32	£0.60
1/8" Hex/Ball Driver				MF-BD-69	£3.15
5/16" UNF
5/16"-24	1/4"		5	MF-GS51604F	£1.50
5/16"-24	5/16"		5	MF-GS51605F	£1.50
5/16"-24	3/8"		5	MF-GS51606F	£1.50
5/16"-24	1/2"		5	MF-GS51608F	£1.50
Driving Tools for 5/16-24 UNF Socket Grub Screws
4.0mm Hex/Allen Key				MF-HK-40	£0.60
4.0mm Hex/Ball Driver				MF-BD-40	£3.45
4.0mm T Handle Driver				MF-TH-40	£5.95
4mm Swivel Wrench				MF-BSHW4	£7.40
3/8" UNF
3/8"-24	3/8"		5	MF-GS3806F	£1.50
3/8"-24	1/2"		5	MF-GS3808F	£1.50
3/8"-24	3/4"		5	MF-GS3812F	£1.50
3/8"-24	1"		5	MF-GS3816F	£1.50
Driving Tools for 3/8-24 UNF Socket Grub Screws
4.75mm (3/16") Hex Key				MF-HK-475	£0.60
3/16" Hex/Ball Driver				MF-TH-316	£5.25