K-lock nuts, also known as keps nuts or captive washer lock nuts, are hex nuts with a captive external-tooth lock washer. The lock washer bites into the mating material when the nut is tightened, preventing loosening.
The Keps nut consists of a hexagonal nut with an attached external washer that has a series of small teeth or serrations on its inner surface. The serrations are designed to grip the mating surface, providing resistance to loosening caused by vibrations or other external forces.
Keps nuts (also referred to as a K-nut or washer nut) come with an attached, free-spinning washer. They are used primarily to make assembly more convenient. These pieces aim to be the peak of efficiency, as you'll find them to be one of the most cost-efficient, easy-to-use, versatile nuts on the market.
| Item | Black Hex K Type Lock Kep Nut Carbon Steel Toothed Nuts | |||||||
| Application | General Industry, Automotive Industry | |||||||
System of measurement | Metric,inch | |||||||
Material | Carbon steel,stainless steel,etc. | |||||||
| Grade | 4.8/6.8/8.8/10.9/12.9 | |||||||
| Standard | DIN | |||||||
| Size | M2.6, #1, 3" | |||||||
Certificate | ISO9001-2008 | |||||||
Customization | Provided | |||||||
Carton size | 25*25*16cm | |||||||
G.W/carton | About 25kg | |||||||
Sample | Sample is free,express cost negotiate | |||||||
Sample delivery time | 3-5days | |||||||
Packing | Bulk in carton+export pallet | |||||||
(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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