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 InPost 

or Upgrade to Royal Mail for a Small Charge

Socket Button Screws (Allen Key Drive)

Stainless Steel Grade A2 304

Thread UNC (Unified National Coarse Also known as American Coarse)

Available in size 1/4 UNC x 1 Inch and various pack sizes

Please choose using the drop-down menus

 For example, if you order pack qty 5 you will receive 1 pack of 5 screws

Please visit our eBay shop in you require a different size or any other items

Further technical information below

1/4 UNC

Thread Diameter – 1/4 Inch

Threads Per Inch – 20

Screw Length – 1 Inch

Head Diameter – 0.419-0.437 Inch

Head Depth – 0.122-0.132 Inch

Hexagon Diameter – 0.1561-0.1587 Inch

Hexagon Depth – 0.0.87 Inch

Allen Key Size – 5/32 Inch

All screws are measured from under the head to the end of the screw

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