VEDALI HARDWARE CO., LTD
VEDALI HARDWARE CO., LTD Professional Hardware Supplier Perfect Engineering Solutions
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M6 Phillips Drive Pan Head Thread Forming Screws Harden Steel Zinc Plated Fastener
Thread rolling screw is also named as thread forming screw or taptie screw , it has a triangle shape thread that from point to 1/3 of the threaded length . this triangle design can stop screw to back out and secure material more tightly .
● High tensile strength
● Perfect vibration resistance
● Good resistance loose
● Torsional strength
● Hard Material
● Wear resistance
Drill a Pilot hole before installing thread rolling screw , the hole will be screwed threads during thread rolling screw driving as self-tapping .
Specification
| d1 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 |
| d2 | 4.5 | 5 | 6 | 8 | 10 | 12 | 16 |
| Kmax | 1.5 | 2.12 | 2.52 | 3.25 | 3.95 | 4.75 | 5.6 |
| t max | 0.9 | 1.52 | 1.93 | 2.36 | 3.1 | 3.48 | 4 |
| t min | 0.8 | 1.27 | 1.68 | 1.9 | 2.64 | 3.02 | 3.3 |
| m | 2 | 2.6 | 3 | 4.3 | 5 | 6.7 | 7.6 |
| drive | 1 | 1 | 1 | 2 | 2 | 3 | 3 |
Physical Performance
| Specification | Material | Case hardness | Core hardness | Torsion Kg/cm |
| M3 | ANSI1022 | 450 HV Min | 270 HV Min | 15 |
| M4 | ANSI1022 | 450 HV Min | 270 HV Min | 34 |
| M5 | ANSI1022 | 450 HV Min | 270 HV Min | 72 |
| M6 | ANSI1022 | 450 HV Min | 270 HV Min | 122 |
| M8 | ANSI1022 | 450 HV Min | 270 HV Min | 295 |
Finishing
| Finishing | Colors | Thickness | Charicteristic |
| Zinc | Blue ,White ,Black ,Yellow | 5-107μm | Bright and smooth surface ,corrosion resistance |
| Nickel | Silver | 1～3μm | Wear resistance ,bright appearance , anti-corrosion |
| Polishing | Silver | 0.01mm ( reference ) | Improving brightness of surface |
| Tin | Silver | 0.13～1.27μm | Good ductility ,corrosion resistance ,lower melting point ,eco-friendly ,brightness |
| Brass | Copper | 5gm～8gm | Good dispersibility ,Bright appearance |
| Dacromet | Grey | 4-8μm | High corrosion resistance , No hydrogen embrittlement ,Heat resistance ,Easy to plated more ,eco-friendly |
| Chrome | Silver white | 0．25～0．5μm | Harden surface ,Bright surface ,Heat resistance ,Wear resistance Corrosion resistance and eco-friendly |
Installation
1 ,Thread rolling screws can be used with a flat washer or spring washer for more good secure purpose
2 , Need a pre-drilling hole before installation
3 , Operated by power tool is better .
Materials
Carbon steel
1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO
Stainless steel
SUS 201 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420