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U-drive screws (also known as hammer drive screws) are unslotted round head self tapping screws often used for attaching nameplates in castings and for sealing drain holes in corrosion proofing tubular structures. They possess multiple start threads with large helical angles and an unthreaded pilot point.
Drive screws are designed for heavy duty fastening applications. Also known as U-drive screws, hammer drive screws, or unslotted round head screws, drive screws' rounded head style and unique construction make them strong and durable for long-lasting strength.
Similar to nails they are driven into mating parts with a mallet or hammer for a quick and permanent assembly. No tapped threads are required in the mating part. However, the u-drive screw must be of harder material than the mating part and a undersized pre-drilled pilot hole is required.
| Item | Stainless Steel Round Head U Drive Screw/ Hammer Drive Screws | |||
| Finish | Plain | |||
Material | Stainless steel A2/A4 | |||
| Head | Round head | |||
Measurement system | Metric and inch | |||
Brand name | Zhuocheng | |||
Head diameter | 0.049 inch | 1.245mm | |||
Thread size | 0.049 inch | 1.245mm | |||
Thread length | 1/8 inch | 3.175mm | |||
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 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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