Black Oxidized Aluminum Bushing Spacers for Pin Knurled Sleeve 18 X 25 mm
Aluminum knurled bush with black oxide finish for installing threaded pin , inside threaded section and stepped insert hole , knurled design on the middle of body so that easy to be operated by hand .
Material
Knurled bush is made of aluminum 6063
Finish
Black oxidation
Specification
| Length |
25 |
| Outside diameter |
18 |
| Inside diameter |
16 |
| Thickness |
2 |
| Thread |
M15 |
| Chamfer |
1.5 x 45° |
Unit : mm
Tolerance
Normal tolerances are ±0.1 mm , and ISO 2768 for unmarked tolerances with level f ,m etc .
Linear tolerance
| Level |
0.5-0.3 |
3-6 |
6-30 |
30-120 |
120-400 |
400-1000 |
1000-2000 |
| f |
±0.05 |
±0.05 |
±0.1 |
±0.15 |
±0.2 |
±0.3 |
±0.5 |
| m |
±0.1 |
±0.1 |
±0.2 |
±0.3 |
±0.5 |
±0.8 |
±1.2 |
| c |
±0.2 |
±0.3 |
±0.5 |
±0.8 |
±1.2 |
±2 |
±3 |
| v |
- |
±0.5 |
±1 |
±1.5 |
±2.5 |
±4 |
±6 |
Unit : mm
Verticality tolerances
| Level |
0-100 |
100-300 |
300-1000 |
1000-3000 |
| H |
0.2 |
0.3 |
0.4 |
0.5 |
| K |
0.4 |
0.6 |
0.8 |
1 |
| L |
0.6 |
1 |
1.5 |
2 |
Applications
Aluminum knurled bush is used to precise equipments
1 , Microscope
2 , Projector
3 , Medical device
4 , Electrical controller
Note : Aluminum knurled bush is customized ,different equipments different design requests .
Features
★ Bright surface with black oxidation
★ No burrs and sharp edges
★ Knurled surface for easy operation
★ Resistant corrosion
★ Light weight and small volume
★ Hard material and wear resistance
Mechanical Property
| Tensile strength σb (MPa) |
310 |
| Yield Strength σs (MPa) |
276 |
| Elongation δ 0.2 (%) |
12 |
| Reduction of area ψ (%) |
25 |
Physical Performance
| Fusing point(℃) |
650 |
| Specific heat capacity(0~100℃,KJ·kg-1K-1) |
896 |
| Heat conductivity(W·m-1·K-1) |
43 |
| Resistivity(20℃,10-6Ω·m) |
0.059 |
Chemical Elements
| Cu |
Zn |
Mg |
Fe |
Mn |
Cr |
Si |
Al |
| 0.3 |
0.25 |
1 |
0.7 |
0.15 |
0.1 |
0.5 |
balance |
Packing
① Packed in poly bag , one piece each bag .
② Packed in tissue paper wrapped
③ Customized package from you
Bush materials we provide
We provide different materials for different bushes request , normal materials as following
Stainless steel : SUS 201 , SUS303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430.
Carbon steel : 1008 , 1010 , 1018 , 1022 , 1035 , 1045
Aluminum : 2024 , 6061
Brass : CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1
Copper : C11000 , C31000
Please contact us for more information about bushes via email for phone .
Your message must be between 20-3,000 characters!
