VEDALI HARDWARE CO., LTD
VEDALI HARDWARE CO., LTD Professional Hardware Supplier Perfect Engineering Solutions
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Brass Terminal Screws for Socket PCB Block M3 Slotted Phillips Fastener
Terminal screws are made from brass alloy which is good electricity conduct and widely used for electrical indutry . Terminal screws is normally with a round or pan head shape and combined phillips and slot drive for easy operation by screwdrive , and a square washer is help screws to fasten wire steadily .
In fact , terminal screw is like SEMS screw which is a screw assembled a washer , flat threaded point and metric or ANSI thread specification .
Application
Terminal screws are special used for industrial products like socket , PCB and elecrical equipments .
Material
Brass alloy
Features
1 . Perfect electricity conduct
2 . Good conductility
3 . Resistant corrosion
4 . High temperature resistance
5 . Steady fastening
Specification
Most terminal screws are below M6 , but for some special applications can be up to M12 or bigger .
| Thread diameter | |
| Thread length | |
| Head diameter | |
| Head height | |
| Washer dimension | |
| Pitch |
Optional specification
| Thread Size (d) | length | Washer | |
| thickness | diameter | ||
| Min | Max | ||
| M2.5 | 4 | 0.72 | 6 |
| M3 | 4 | 0.85 | 7 |
| (M3.5) | 6 | 1.06 | 8 |
| M4 | 6 | 1.3 | 9 |
| M5 | 6 | 1.55 | 11 |
| M6 | 8 | 2 | 14 |
| M8 | 10 | 2.6 | 18 |
| M10 | 12 | 3.2 | 23 |
| M12 | 14 | 3.95 | 29 |
Note :
1 . Dimensions for washer can be refered ISO or DIN standard .
2 . Custom dimensions can be accepted .
Basic Properties
| Hardness ( HV ) | 21 | Yield Strength ( Mpa ) | 205 | Elongation ( % ) | 35 |
| Tensile Strength ( Mpa ) | 320 | Torque | 2.5 | Reduction Area ( % ) | 50 |
Normal Packing
1 . In bulk
eg , 100 pcs of poly bag and 5 or 10 bags of chipboard carton .
2 . Box packing
Plastic knob screws are packed in small boxes and then in big carton for easy shipment .
3 . Customized packing is accepted
Other Products we Supplied
Except plastic knob screws , we are able to provide more different fasteners like various standard and custtom screws , Bolts , Nuts , Pins , Spacer washers and different metal or plastic custom working pieces for industry .