M4 Hexagon Socket Grub Screws Cone Point Galvanized Steel Fastener
Grub Screw is one of fastener style for securing objects without
head support , it is named set screw as well , Cone point for grub
screw has two different angle 120°and 90°normally and full threads
from one end to another end .
Grub screw without head design and do not need a nut for securing ,
the specifications cover from M1.0 to M 22 ( the major diameter ) .
Specifications
DIN 914 / ISO 4027
| d | p | s | t | Cone point available |
| min | max |
| 1.4 | 0.3 | 0.71 | 0.72 | 0.6 | 90°/ 120° |
| 1.6 | 0.35 | 0.71 | 0.72 | 0.7 | 90°/ 120° |
| 1.8 | 0.35 | 0.71 | 0.72 | 0.8 | 90°/ 120° |
| 2 | 0.4 | 0.88 | 0.9 | 0.8 | 90°/ 120° |
| 2.5 | 0.45 | 1.27 | 1.3 | 1.2 | 90°/ 120° |
| 3 | 0.5 | 1.52 | 1.55 | 1.2 | 90°/ 120° |
| 4 | 0.6 | 2.02 | 2.05 | 1.5 | 90°/ 120° |
| 5 | 0.8 | 2.52 | 2.56 | 2 | 90°/ 120° |
| 6 | 1 | 3.02 | 3.08 | 2 | 90°/ 120° |
| 8 | 1.25 | 4.02 | 4.1 | 3 | 90°/ 120° |
| 10 | 1.5 | 5.02 | 5.1 | 4 | 90°/ 120° |
| 12 | 1.75 | 6.02 | 6.1 | 4.5 | 90°/ 120° |
| 14 | 2 | 6.02 | 6.1 | 5.6 | 90°/ 120° |
| 16 | 2 | 8.02 | 8.1 | 6.4 | 90°/ 120° |
| 18 | 2.5 | 10.02 | 10.11 | 7.2 | 90°/ 120° |
| 20 | 2.5 | 10.02 | 10.11 | 8 | 90°/ 120° |
| 22 | 2.5 | 12.03 | 12.14 | 9 | 90°/ 120° |
.
Material
Normally , grub screw must to be made of high tensile strength
material to be capable of secure objects with heavy load request ,
the hardness grades with 8.8 ,10.9 and 12.9 . And the same time ,
other material like low carbon steel ,aluminum or brass grub screws
are available for application with light load .
Stainless steel
SUS 201 , SUS 303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420
.
Carbon steel
1008 , 1010 , 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO
Aluminum
2024 , 6061 and 7075
Brass
CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1
Finishing
1 ,Zinc finish this is popular finish and various colors for choice
. The resistance of rust is good and eco-friendly .
2 , Nickel finish Nickel finish make the surface of the screws will
more bright and hardened and the performance of screws will be
improved .
3 , Polish Metal screws can be polished after forming for getting a
bright surface and anti-rust purpose , but it is not good as other
finishes on anti-rust . polish is usually for stainless steel
screws.
4 , Tin finish it is very perfect to be anti-rust , and widely used
to components .
5 , Brass finish it is available for stainless steel screws and
carbon steel screws .
6 , Dacromet this finish is used for screws with big sizes and can
stop screws to be rusted long time even under bad surroundings .
7 , Black oxide Corrosion resistance for the most screws that are
used in dry condition .
Features
1 , Quick and easy operation
2 , Recycle use
3 , Long Service
4 , Environmental protection
5 , Standard Sizes
6 , Perfect Security performance
7 , Simple and practical structure
Applications
Grub screws are used to secure the part against to another part
without a nut , there are a wide applications on furniture ,
building , different electric equipments etc .
Package
Our packages are assorted and strong , we can arrange special
packages according to your requirements , all Packed in Seaworthy
or airworthy for Export .
| d | L | QTY / Box |
| 1.6 | 3 - 5 | 2000 |
| 1.8 | 3 - 5 | 2000 |
| 2 | 3 - 6 | 2000 |
| 2.5 | 3 - 8 | 1500 |
| 3 | 4 - 10 | 1500 |
| 4 | 5 - 12 | 1000 |
| 5 | 8 - 20 | 1000 |
| 6 | 10 - 30 | 500 |
| 8 | 12 - 45 | 500 |
| 10 | 15 - 60 | 200 |
| 12 | 20 - 80 | 200 |
| 14 | 25 - 90 | 100 |
| 16 | 30 - 120 | 50 |
| 18 | 30 - 120 | 50 |
| 20 | 40 - 150 | 50 |
| 22 | 50 - 200 | 50 |
Hexagon socket grub screw with cone point black color 10.9 grade
