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Grub Screws | Set Screws

Grub Screws or Socket Set Screws are headless screws used in many applications where a nut is not required to secure the connection, and the grub screw itself provides the union. Commonly used in door locking mechanisms or handles where a protruding head would cause interference. Known in the USA as Blind Screws, they are secured using a Hex or Allen key or sometimes a slotted screwdriver. Available with points including Cup Point, Cone Point, Flat Point and Dog Point.

Material Key
A2	A2 Stainless Steel - also known as grade 304 or 18/8. A general purpose grade of stainless steel.
A4	A4 Stainless Steel - also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel.
BZP	Bright Zinc Plated (BZP) Steel - non-stainless standard steel grade offering a basic level of corrosion resistance.
MZP	Mechanically Plated Zinc Steel - mechanically plated to help prevent hydrogen embrittlement

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Flat Point Grub Screws ISO 4026 / DIN 913

Also known as a set screw, these headless types of screws have many uses. This particular type has a hex socket drive, and a flat on the opposite end, as to ISO 4026 or DIN 913.

M2.5

Cone Point Grub Screws ISO 4027 / DIN 914

Also known as a set screw, these headless types of screws have many uses. This particular type has a hex socket drive, and a cone point on the opposite end, as to ISO 4027 or DIN 914.

M2.5

Dog Point Grub Screws ISO 4028 / DIN 915

Also known as a set screw, these headless types of screws have many uses. This particular type has a hex socket drive, and a square profiled end called a dog point on the opposite end, as to ISO 4028 or DIN 915.

M2.5

Cup Point Grub Screws ISO 4029 (DIN 916)

Also known as a set screw, these headless types of screws have many uses. This particular type has a hex socket drive, and a depression called a 'cup' on the opposite end, as to ISO 4029 or DIN 916.

M2.5

UNC Cup Point Grub Screws ASME B18. 3-2002

Also known as a set screw, these headless types of screws have many uses. This particular type has a hex socket drive, and a depression called a 'cup' on the opposite end, and conforms to ASME/ANSI B18.3.

BZP

MZP

1-72

2-56

3-48

4-40

5-40

6-32

8-32

10-24

5/16

7/16

UNF Cup Point Grub Screws ASME B18.3

Also known as an Allen set screw, these headless types of screws have many uses. This particular type has a hex socket drive, and a depression called a cup on the opposite end, and conforms to ASME/ANSI B18.3.

BZP

0-80

10-32

5/16

7/16

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