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| Description: | spring washer and flat washer sem screw M6x20 |
| Head Diameter : | 10 mm |
| Head Height | 6 mm |
| Thread Dia. | 5.82-5.97 mm |
| Thread Length | 20 mm |
| Material: | C 1022 |
| Finish (ROHS) | Black oxide |
| Unit weight (KG) | 0.0085 |
Luosi metal Co.,Ltd was founded in 2002 , we specialize in kinds of special&custom bolts&screws with superior quality at the competitve price . There are about 60 employees and almost 40 sets of cold heading machine with rolling thread mchine in our factory . Such as : 3 die 3 blow , 2 die 4 blow , 2 die 3 blow and so on . Also, we have a secondary operating department for special one that need drilling , pointing , slotting , tapping ....
The annual sales of us is about 3.5 million dollars with 20% export to USA , Norway , Australia , Hungary … In domestic market , we have been cooperating with famous electronic company like Midea Group , Vanward Group …
