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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.

Fastener 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 applied zinc plating, useful to help prevent hydrogen embrittlement.

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image chamfer for Cup Point Grub Screws ISO 4029 (DIN 916)

Cup Point Grub Screws ISO 4029 (DIN 916) in A2 Stainless Steel

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

image chamfer for Flat Point Grub Screws ISO 4026 / DIN 913

Flat Point Grub Screws ISO 4026 / DIN 913 in A2 Stainless Steel

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

image chamfer for Cone Point Grub Screws ISO 4027 / DIN 914

Cone Point Grub Screws ISO 4027 / DIN 914 in A2 Stainless Steel

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

image chamfer for Dog Point Grub Screws ISO 4028 / DIN 915

Dog Point Grub Screws ISO 4028 / DIN 915 in A2 Stainless Steel

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

image chamfer for UNC Cup Point Grub Screws ASME B18. 3-2002

UNC Cup Point Grub Screws ASME B18. 3-2002 in A2 Stainless Steel

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

image chamfer for UNF Cup Point Grub Screws ASME B18.3

UNF Cup Point Grub Screws ASME B18.3 in A2 Stainless Steel

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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