Emfast Limited

The only place to go for all your fastener requirements

With over 40,000 items in stock

available for immediate dispatch all with free delivery 

by Royal Mail Tracked 48 or Evri 

BSF (British Standard Fine) Socket Grub (Set) Screws (Allen Key Drive) 

iIn High Tensile Steel

Available in 1/4 x 3/8 Inch in Black Oxide (Plain Non Plated) finish 

And in various pack sizes

Please checkout our shop if you need a different length or any other items

Please choose using the drop-down menus

 for example if you order (Pack Qty 5 you will receive 5 screws) 

the same applies for listings that have unit quantity

Further technical information below.

1/4 BSF

Thread Diameter – 1/4 Inch

Overall Length – 3/8 Inch

Threads Per Inch – 26

Socket Diameter –0.1250-0.1270 Inch

Socket Depth – 0.100 Inch

About us

Emfast Limited is a family-owned and run company and was founded in 1990 

with over 150 years' experience in the engineering sector

All Fasteners we sell are from globally recognised manufacturers and meet all 

international quality standards in terms of strengths, dimensional and materials

  We ship world-wide, and supply to end-users and companies large and small.

Emfast supplies a wide range of fasteners and fittings to the automotive, aerospace, defence, engineering, and motorsport sectors

All our listings include VAT at the current rate and a VAT invoice can be supplied upon request

Shipping

All orders come with free standard delivery with upgraded options available at a small charge

We use Royal Mail, Yodel, Evri and APC

We aim to dispatch all orders same day Monday to Friday when ordered by 4pm

We hope your items are delivered by the estimated arrival date supplied 

by the delivery company however this cannot be guaranteed

To ensure you receive your order as quickly as possible

we will on some occasions dispatch orders by an alternative delivery partner 

this is normally down to size/weight or if after chosen couriers collection time

Contact Information

If you need any assistance, feel free to drop us an email or call our sales team between 

8.30am and 4.30pm Monday to Friday who will do their best to help you

 (Ebay messages are checked regularly seven days a week)

(except for public bank holidays and our shutdown period in between Christmas and New Year)

Returns

 Items must be returned unopened and unused and return postage to us is at buyers cost and risk

If you wish to return an item, please start a return on eBay

A small handling charges will be incurred for items returned that are not due to fault of the seller

e.g: ordered by mistake, wrong size ordered etc