Special screw
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Regular screws have a threading that is present across the entire body, but custom shoulder bolts' threads disappear before the head, leaving a smooth, round, shape between the head and the threading.
It's characterised by a distinct, 6-point star-shaped pattern and is often called a 'star screw' that requires a 'star screwdriver' with a 'star bit' to tighten and untighten them. Torx screws are typically used in vehicles, motorcycles, bicycles, computer systems, hard disk drives and consumer electronics.
Precise Spacing: One of the primary purposes of shoulder bolts is to provide accurate and consistent spacing between components. This is crucial in applications where precise alignment is necessary, such as in machinery, manufacturing equipment, and automotive assemblies.
Item | high low shoulder screws | |||
Finish | White Zinc Plated | |||
Material | Steel,carbon steel | |||
Measurement system | Metric | |||
Head style | Ultra low head | |||
Brand name | Zhuocheng | |||
Grade | level 4.8, level 8.8, level 10.9, level 12.9. | |||
Certificate | ISO9001-2008 | |||
Size | M3,M4, M5,M6, M8,M10,M12 | |||
Supply ability | 50Tons/month | |||
Customization | Provided | |||
Sample | Provided | |||
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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