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Socket Cap Screws

Socket cap screws are available in button socket, button flange socket head, flat socket, and socket cap. Driven with a socket wrench or a hex allen key. The term socket head cap screw typically refers to a type of threaded fastener whose head diameter is nominally 1.5 times or more than that of the screw shank diameter. DIN 912

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Low Head cap Screw.jfif

CSK (Countersunk) Cap Screws

Driven with a socket wrench or a hex allen key. The term socket head cap screw typically refers to a type of threaded fastener whose head diameter is nominally 1.5 times or more than that of the screw shank diameter.

DIN 7991

Button Head Cap Screws

Button head cap screws have a low domed head with a wider bearing surface than standard heads, and they offer a finished appearance, making them an ideal choice when a neat appearance is desired. Designed for light fastening applications, button head cap screws lack the strength of standard socket screws. Fully threaded button socket cap screws are manufactured of either alloy or stainless steel. ISO 7380

Low Head Cap Screws

Used for load-intensive applications. Driven with a socket wrench or a hex allen key. The term socket head cap screw typically refers to a type of threaded fastener whose head diameter is nominally 1.5 times or more than that of the screw shank diameter.

Socket Set "Grub" Screws

Set screws are most often headless (aka blind), meaning that the screw is fully threaded and has no head. A blind set screw, known in UK as a grub screw, is almost always driven with an internal wrenching drive, such as a hex allen key. Socket set screws are installed in threaded holes or inserts.

SOCKET TYPE FASTENERS

Shoulder Bolts

Shoulder bolts (also known as shoulder screws or stripper bolts) are machine screws with a shoulder between the thread of the screw and the head of the part. Once installed, the non-threaded portion extends out of the surface of the application site, allowing the bolts to act as dowels or shafts for moving parts. They can be installed by hand or with a socket (allen) driver.

Materials

High Tensile (HT) Grade 10.9

High Tensile (HT) Grade 12.9

Stainless Steel (SS) A2 - 304

Stainless Steel (SS) A4 - 316

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Plating

Zinc

Yellow Zinc

Black Japan

Cadmium

Threading

Metric

Imperial

 

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Standards

DIN 912

DIN 7991

DIN 916

DIN 7380

DIN 7379

DIN 7984

DIN 6912

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081 026 0006

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info@thefastenerfactory.co.za

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Red Hill

Durban North

4019

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