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Screw shopping mall---one-stop service
Both do the job well, but the countersink bolt requires extra effort as you require a counter sink in the part. The socket head cap screws don't need any extra cutting. In aeroplanes or rockets or even in racing cars, you don't want pieces jutting out of the surface causing extra drag and so you'd use countersinks.
There are several variations of head styles, especially on screws, but the two main types are countersunk and non-countersunk heads. The countersunk screw head appears evenly or flat within the material's surface. Some types can be buried and hidden in the assembly, allowing a clean and smooth fastening.
| Item | stainless steel screws countersunk socket slotted head | |||
| Finish | Passivation + nylok patch | |||
Material | Stainless Steel 316 | |||
| Head | Flat head | |||
Measurement system | Metric | |||
Brand name | Zhuocheng | |||
Drive type | Socket Slotted | |||
Grade | 4.8,6.8,8.8,10.9,12.9, Grade2, Grade5 | |||
Size | M3-M6 | |||
Certificate | ISO9001-2008 | |||
Sample | Provided | |||
Service | Provided | |||
Single packaging size | 25*25*16CM | |||
Singe gross weight | 25kg | |||
Package type | (1)Small box packging | |||
(2)25-30kgs/ctn in bulk, 36-48cartons/pallet | ||||
(3)Assortment in poly bag or plastic box | ||||
Delivery time | Quantity | Delivery time | ||
1-1000pcs | 3 days | |||
1001-5000pcs | 7 days | |||
5001-10000pcs | 9 days | |||
＞10000pcs | To be negotiated | |||
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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.
Wuxi Zhuocheng Mechanical Components Co., Ltd. is established in 1990, and one group of manufacturing and selling professional fastener
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