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M5 Stainless Steel Grub Screws Hexagonal Socket Cup Point DIN 916
Stainless steel grub screws have hexagonal socket in one end and another end are cup shape that with a little concave for locating purpose .
Stainless steel grub screws are with full machine threads and no head design , hex socket support driving place for hex wrench tool that controls screw in or screw out .
Material
Grub screws are made of stainless steel grade 304 , no magnet and no burrs and eco-friendly .
| C | Si | Mn | S | P | N | Cr | Ni |
| 0.07 | 0.06 | 2 | 0.025 | 0.04 | 0.1 | 19 | 10.5 |
Physical Performance
| Material | Stainless steel |
| Property class | SS304 |
| Density g/cm3) | 7.98 |
| Fusing point(℃): | 1398~1454 |
| Specific heat capacity(0~100℃,KJ·kg-1K-1) | 0.5 |
| Heat conductivity(W·m-1·K-1): | (100℃)16.3,(500℃)21.5 |
| Resistivity(20℃,10-6Ω·m) | 0.73 |
Mechanical Properties
Core hardness : HV 250
Case hardness : HV700
Min torque : 2.3 N.m ( property class 20 H )
Tensile strength σb (MPa) : 650
Yield Strength σs (MPa) : 320
Elongation δ5 (%) : 35
Reduction of area ψ (%) : 45
Specifications
Standard grub screws normally based on DIN and ISO and BSW as well .
M5 X 20 standard grub screws
Standard : DIN 916
Material : SS 304
| d | M5 |
| L | 20 |
| S | 2.5 |
| t | 2 |
| dz | 2.5 |
Unit : mm
Other specifications for grub screws based on DIN 916 / ISO
4029
.
| d | p | s | t | |
| min | max | |||
| 1.4 | 0.3 | 0.71 | 0.72 | 0.6 |
| 1.6 | 0.35 | 0.71 | 0.72 | 0.7 |
| 1.8 | 0.35 | 0.71 | 0.72 | 0.8 |
| 2 | 0.4 | 0.88 | 0.9 | 0.8 |
| 2.5 | 0.45 | 1.27 | 1.3 | 1.2 |
| 3 | 0.5 | 1.52 | 1.55 | 1.2 |
| 4 | 0.6 | 2.02 | 2.05 | 1.5 |
| 5 | 0.8 | 2.52 | 2.56 | 2 |
| 6 | 1 | 3.02 | 3.08 | 2 |
| 8 | 1.25 | 4.02 | 4.1 | 3 |
| 10 | 1.5 | 5.02 | 5.1 | 4 |
| 12 | 1.75 | 6.02 | 6.1 | 4.5 |
| 14 | 2 | 6.02 | 6.1 | 5.6 |
| 16 | 2 | 8.02 | 8.1 | 6.4 |
| 18 | 2.5 | 10.02 | 10.11 | 7.2 |
| 20 | 2.5 | 10.02 | 10.11 | 8 |
| 22 | 2.5 | 12.03 | 12.14 | 9 |
Finish
Stainless steel grub screws are polished and with roughness R6.0
① Bright appearance
② No any burrs
③ Corrosion resistance
Applications
Stainless steel grub screws with a vast demands for various fields in industry .
★ Aerospace
★ Cars
★ Vessel
★ Household applicanes
★ Machines
★ Decoration
★ Toys
★ Electric items
★ Official items
★ Furniture
★ Communication
★ Food industry
★ Medical apparatus
Characteristics
▲ Wide versatility
▲ Top material
▲ Quick installation
▲ Convenient operation
▲ Simple deign
▲ Recylable
▲ Eco-friendly
▲ Standard Sizes
Installations
① Make sure objects with suitable threaded hole that as size of grub screw .
② Insert grub screw into hole
③ Drive grub screw with a L wrench and rotate it to the end .
