Extensive Product Range from the Francis Kirk Store

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DIN
DIAMETER
LENGTH
FINISH
GRADE

PHILIDAS INDUSTRIAL NUT - SELF LOCKING NUT - ANTI VIBRATION

Philidas Industrial Anti vibration all metal locking nuts are most commonly used in the automotive, rail, aerospace, earth moving plant equipment, mining, renewable energy and electrical appliances. Philidas nuts are designed to lock a bolt in any position, even in high performance areas where vibration may occur. Philidas nuts are manfacturered in our factory in India, and are avialable in three models, Industrial, Turret and Mark V. Finishes available are zinc and yellow, zinc and clear, self colour and stainless steel A2 and A4. Size availbale (diameters) start from M3 and go upto M80, if you're looking for a specially made Philidas nut below M3 or above M80 in diameter, please contact us, we may be able to get this manufacturered for you.

PHILIDAS TURRET NUT - SELF LOCKING NUT - ANTI VIBRATION

Philidas Turret all metal locking nuts are most commonly used in the automotive, rail, aerospace, earth moving plant equipment, mining, renewable energy industries, these nuts are designed to lock a bolt in any position, especially in high performance areas where vibration may occur. Philidas nuts work in both high and low temperature environments with absolutely no effect on performance, even with chemical spillage. Both Philidas Turret and Industrial nuts can be used time and time again, it's the most versatile self locking nut on the market. Philidas Turret nuts come in a wide range of finishes including self colour, zinc and yellow, zinc and clear, A2 and A4 stainless steel.

SOCKET HEAD CAP SCREWS - DIN 912

Socket head cap screws are one of our most popular fasteners, most commonly used in industrial machines, automotive, and the transport industries. Francis Kirk & Son stocks both metric and imperial sizes in socket head caps screws, with finishes including self colour, zinc and stainless steel. The standard grade for a socket head cap (DIN 912) is grade 12.9, but we also offer alternative grades such as grade 8.8 or grade 10.9. We stock three brands of socket caps, imported (unbranded), Unbrako and Holo-krome, imported (unbranded) socket head cap screws can be purchased in both 100's and singles, meaning you can order the exact quantity require, Unbrako and Holo-Krome fasteners are sold in boxes, unfortunately we cannot split Unbrako boxes or Holo-krome boxes.

SOCKET COUNTERSUNK - DIN 7991

Socket countersunks are another very popular type of fastener, these are used when a flush finish is required, they're tightened or loosened using an allen key or insert bit. Our range of socket countersunk (DIN 7991) are available both metic sizes and imperial sizes, available finishes are self colour, zinc and stainless steel, the UK standard grade for socket countersunks is grade 10.9, but we also offer grade 12.9. Brands include imported (unbraded) Unbrako and Holo-krome, as with the socket head caps, unbranded (imported) countersunk are available in both 100's and singles, Unbrako and Holo-krome are sold in packs only, we don't split boxes for those brands.

SOCKET BUTTON - DIN 7380

Socket button screws otherwise known as dome head screws are not as strong as socket head caps, but they're more aesthetically pleasing especially when the head of the fastener is visible. These are tightened or loosened with an allen key or insert bit, available in both metric and imperial sizes with finishes including self colour, zinc and stainless steel. The UK standard grade for socket buttons (DIN 7380 ) is grade 10.9, but we also offer Unbrako and Holo-krome socket buttons which are grade 12.9.

HEXAGON BOLT - DIN 931

Hexagon bolts are partially threaded with a plain shank, unlike Hexagon Set or Hex Sets (DIN 933) which are threaded to the head. Hex bolts are most commonly used to join components together using a bolt, washer and a nut. We stock both metric and imperial sizes for DIN 933, with finishes including self colour, zinc and stainless steel. The UK standard grade for a hexagon bolt is grade 8.8, but we also can offer grade 10.9 and even grade 12.9. Hexagon bolts are tightened and loosened using a wrench, spanner or a socket driver.

HEXAGON SET - DIN 933

Hexagon set screws are fully threaded (threaded to head) without a plain shank, unlike hexagon bolts which does have a plain shank. Hexagon sets DIN 933 are most commonly used to join components together using a set, washer and a nut. Hex sets are available in both metric and imperial sizes with finishing including self colour, zinc and stainless steel, A2 and A4. Hexagon sets are tightened and lossened using a wrench, spanner or a socket driver.

UNBRAKO DURLOK NUT

Unbrako self locking durlok nuts are supplied in grade 12.9, with diameters ranging from M6 to M20 - Durlok nuts have a serrated flange with a tensile strength of HRC 28 to 36 and have been specially designed to be used with Unbrako Durlok Bolts. All Unbrako nuts are self colour and are sold in box quantities only, we don't split boxes of Unbrako fastener products. Unbrako Durlok nuts can be used at very high temparatures upto 300 degrees celisus.

NORD-LOCK ORIGINAL WASHER

The original wedge locking washer by Nord-Lock, using these washers will combat any vibration issues that would otherwise loosen a standard nut and washer. Nord-Lock washers will not loosen ever due to the fact the washer will create a wedge between the washer and the bolt. These washers are available in a wide range of metric sizes starting from M3 and going upto M80, we also offer imperial Nord-Lock washers. Finishes available are mild steel and stainless steel A4. The material standard for Nord-Lock washers is EN 1.7182. All Nord-Lock washers come with a corrosion resistance of at least 1,000 hours in salt spray testing.

FORM A WASHER - DIN 125A

What is a Form A Washer? Washer dimensions are categorized into alphabetical letters going from Form A to Form G, each washer has to be manufactured to a certain dimension in order to be classed a FORM A, FORM B washer, ETC. For example, a Form A washer is the industry standard, they have a normal / standard diameter and a normal / standard thickness. Form B has a normal / standard diameter with a lighter thickness, Form C washers have a large outer diameter and a normal thickness, the same with Form D. Our range of washers come in a wide range of finishes including self colour, zinc, stainless steel A2, stainless steel A4 and brass.

The only supplier of Unbrako, Holo-Krome and Philidas fasteners under the same roof.

Please take a look through our extensive website to find out more about who we are and what we can do for you. If you have any technical queries then please contact one of our knowledgeable staff and we will be happy to assist wherever possible. You can also keep up to date with the latest going-ons at Francis Kirk by following us on Twitter and liking our Facebook page.
Francis Kirk are also the only company who supply Philidas, Unbrako and Holo-Krome products under the same roof.
We boast extensive stocks of engineering products (taps, dies, drills, etc), fasteners (including a wide selection of Imperial sizes), PPE and industrial supplies available from our Trade Counter or for next day delivery – or if you are based within the North West we can deliver same day using our fleet of vans. We stock a wide variety of both standard and non-standard sockets screws, fasteners, taps, dies, and other industrial items, just speak to a member of our team who will be able to help locate your item, no matter how rare.