High Purity Molybdenum Rods Molybdenum Screws / Fasteners M2 M3 M5 M6 Furnace Parts
Molybdenum screws / bolts are produced for high temperature vacuum environments. We produce three head types (fillister, pan & flat) in both ANSI and metric sizes. We stock these refractory screws in standard lengths, but can also produce customized lengths and features.
Pure molybdenum is useful in many high temperature applications where high melting points are required. Molybdenum also exhibits good strength at elevated temperatures making moly useful in furnace, aerospace, and similar applications. And Molybdenum's good thermal and electrical conductivity and low coefficient of expansion make it a useful metal in electronic/electrical and glass-to-metal sealing applications.
Moly Screws Features:
Working temperature: 1700°C
Purity: 99.95% Molybdenum
Density: 10.2 g/cc
High thermal conductivity and heat resistance, excellent electrical conductor, long use life, can be used as weight balance.
Standard: DIN, ASME/ANSI, ISO
Sizes range: M2,M3,M4,M5,M6,M8,M10 , 5/16, 3/8, 9/16, 7/16, etc
Applications of Molybdenum Bolts / Screws:
LED, Furnace. Semiconductor, MOVCD, High temperature furnace, Sapphire Ingot growth furnace hot zone parts, Ion implanter consumables components.
Molybdenum Screws / Fasteners Advantages:
1) High melting point, high strength,
2) Outstanding thermal conductivity,
3) Excellent resistance to oxidation at high temperatures,
4) Excellent resistance to electrochemical corrosion
Standards of Molybdenum Screws / Fasteners:
| Item No. | DIN-Standard | Description in English | ISO-Standard | GB-Standard |
| 1 | DIN 1 | Taper pins | ISO2339 | GB117 |
| 2 | DIN7 | Parallel pins | ISO2339 | GB119-86 |
| 3 | DIN84 | Slotted cheese head screw | ISO1207 | GB65-85 |
| 4 | DIN125-A | Plain washers | ISO7089 | GB97.1-85 |
| 5 | DIN125-B | Medium washers | ISO7090 | GB97.2-85 |
| 6 | DIN126 | Plain washers | ISO7091 | |
| 7 | DIN558 | Hexagon screws | ISO4018 | |
| 8 | DIN601 | Hexagon blots | ISO4016 | |
| 9 | DIN923 | Slotted pan head screw with shoulder | | GB830-88 |
| 10 | DIN931 | Hexagon head screws | ISO4014 | GB5782-86 |
| 11 | DIN933 | Hexagon head screws | ISO4017 | GB5783-86 |
| 12 | DIN934 | Hexagon full nuts | ISO4032 | GB6170-86 |
| 13 | DIN935 | Hexagon slotted and castle nuts | ISO7035 | GB6178-86 |
| 14 | DIN7972 | Countersunk flat head tapping screws with slot | ISO1482 | GB5283-85 |
Testing Report of Molybdenum:
| Element | Ni | Mg | Fe | Pb | Al | Bi | Si | Cd | Ca | P |
| Concentration(%) | 0.003 | 0.002 | 0.005 | 0.0001 | 0.002 | 0.0001 | 0.002 | 0.0001 | 0.002 | 0.001 |
| Element | C | O | N | Sb | Sn | | | | | |
| Concentration(%) | 0.01 | 0.003 | 0.003 | 0.0005 | 0.0001 | | | | | |
| Purity(Metallic Base) Mo≥99.95%
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Machined Molybdenum Screw Bolt M2 M3 M5 M6 For Sapphire Growth Images
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